Bug 144819 - CPS rethreading phase's flush detector flushes way too many SetLocals
Summary: CPS rethreading phase's flush detector flushes way too many SetLocals
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: 528+ (Nightly build)
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-05-08 16:10 PDT by Filip Pizlo
Modified: 2015-05-11 15:45 PDT (History)
11 users (show)

See Also:


Attachments
the patch (16.51 KB, patch)
2015-05-08 16:14 PDT, Filip Pizlo
no flags Details | Formatted Diff | Diff
the patch (2.13 KB, patch)
2015-05-08 17:17 PDT, Filip Pizlo
ggaren: review+
Details | Formatted Diff | Diff

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Description Filip Pizlo 2015-05-08 16:10:42 PDT
Patch forthcoming.
Comment 1 Filip Pizlo 2015-05-08 16:14:32 PDT
Created attachment 252755 [details]
the patch
Comment 2 Geoffrey Garen 2015-05-08 16:32:19 PDT
Wrong patch uploaded?
Comment 3 Filip Pizlo 2015-05-08 17:17:52 PDT
Created attachment 252756 [details]
the patch
Comment 4 Filip Pizlo 2015-05-08 18:25:20 PDT
Looks good.


Benchmark report for SunSpider, LongSpider, V8Spider, Octane, Kraken, JSRegress, AsmBench, and CompressionBench on dethklok (MacBookPro9,1).

VMs tested:
"TipOfTree" at /Volumes/Data/pizlo/secondary/OpenSource/WebKitBuild/Release/jsc (r184016)
"FixFlushes" at /Volumes/Data/pizlo/tertiary/OpenSource/WebKitBuild/Release/jsc (r184016)

Collected 6 samples per benchmark/VM, with 6 VM invocations per benchmark. Emitted a call to gc() between sample measurements.
Used 1 benchmark iteration per VM invocation for warm-up. Used the jsc-specific preciseTime() function to get microsecond-level
timing. Reporting benchmark execution times with 95% confidence intervals in milliseconds.

                                                        TipOfTree                 FixFlushes                                    
SunSpider:
   3d-cube                                            5.1432+-0.0721     ?      5.1813+-0.1167        ?
   3d-morph                                           6.0961+-0.6812            5.8268+-0.1103          might be 1.0462x faster
   3d-raytrace                                        6.4887+-0.1497     ?      6.6388+-0.3285        ? might be 1.0231x slower
   access-binary-trees                                2.5127+-0.2827            2.2552+-0.0563          might be 1.1142x faster
   access-fannkuch                                    6.0061+-0.0341            5.9042+-0.0816          might be 1.0173x faster
   access-nbody                                       2.8679+-0.1138     ?      3.0859+-0.2885        ? might be 1.0760x slower
   access-nsieve                                      3.3720+-0.1188     ?      3.5387+-0.2496        ? might be 1.0494x slower
   bitops-3bit-bits-in-byte                           1.6923+-0.1472            1.5982+-0.1034          might be 1.0589x faster
   bitops-bits-in-byte                                3.6606+-0.3893            3.4925+-0.1119          might be 1.0481x faster
   bitops-bitwise-and                                 2.1672+-0.1332            2.1564+-0.0679        
   bitops-nsieve-bits                                 3.3112+-0.4834     ?      3.4184+-0.0640        ? might be 1.0324x slower
   controlflow-recursive                              2.3703+-0.1966            2.3160+-0.1101          might be 1.0235x faster
   crypto-aes                                         4.6631+-0.5730            4.6501+-0.5166        
   crypto-md5                                         2.7759+-0.1861            2.7456+-0.0718          might be 1.0110x faster
   crypto-sha1                                        2.6520+-0.1744     ?      2.7279+-0.2334        ? might be 1.0286x slower
   date-format-tofte                                  9.2809+-0.0759     !      9.6058+-0.2037        ! definitely 1.0350x slower
   date-format-xparb                                  5.8387+-0.2095     ?      5.9245+-0.2115        ? might be 1.0147x slower
   math-cordic                                        3.2082+-0.1582            3.0305+-0.0280          might be 1.0586x faster
   math-partial-sums                                  5.2374+-0.1065     ?      5.3870+-0.4113        ? might be 1.0286x slower
   math-spectral-norm                                 2.0905+-0.3209            2.0326+-0.2347          might be 1.0285x faster
   regexp-dna                                         7.7395+-1.2917            7.7263+-1.4049        
   string-base64                                      5.2346+-0.7415            4.7719+-0.1705          might be 1.0970x faster
   string-fasta                                       6.9225+-0.6465     ?      8.9651+-4.3801        ? might be 1.2951x slower
   string-tagcloud                                   10.7174+-1.4258     ?     10.7904+-0.8746        ?
   string-unpack-code                                20.6933+-0.7142     ?     20.7049+-0.8652        ?
   string-validate-input                              4.8760+-0.1973            4.8727+-0.0578        

   <arithmetic>                                       5.2930+-0.0861     ?      5.3595+-0.1513        ? might be 1.0126x slower

                                                        TipOfTree                 FixFlushes                                    
LongSpider:
   3d-cube                                          879.4962+-5.2359     ?    883.0091+-4.3321        ?
   3d-morph                                        1527.7843+-3.1745     ?   1533.3771+-8.6825        ?
   3d-raytrace                                      730.3289+-7.2099     ?    739.1031+-7.0623        ? might be 1.0120x slower
   access-binary-trees                             1033.0166+-10.0800    ?   1034.1320+-8.7937        ?
   access-fannkuch                                  345.3583+-12.5574         330.9044+-8.3718          might be 1.0437x faster
   access-nbody                                     611.4082+-2.9952          611.2999+-2.4024        
   access-nsieve                                    482.3617+-6.6051          481.4530+-8.4515        
   bitops-3bit-bits-in-byte                          46.1834+-2.2068           45.7896+-2.8997        
   bitops-bits-in-byte                              103.0643+-4.6817          102.0791+-4.8965        
   bitops-nsieve-bits                               423.0868+-6.2983          419.9257+-2.7451        
   controlflow-recursive                            479.1220+-1.4183     !    485.4867+-4.3215        ! definitely 1.0133x slower
   crypto-aes                                       709.0476+-4.4375          708.1630+-9.5602        
   crypto-md5                                       523.8534+-8.9203          523.7098+-8.4983        
   crypto-sha1                                      595.7392+-3.5021     !    606.8940+-6.7954        ! definitely 1.0187x slower
   date-format-tofte                                761.9591+-25.3923         759.6101+-13.0750       
   date-format-xparb                                797.3017+-20.3194         789.6322+-19.4011       
   hash-map                                         172.1993+-4.8031          171.5229+-4.1828        
   math-cordic                                      587.8677+-2.6860     ?    589.4816+-3.6672        ?
   math-partial-sums                                502.7038+-1.5459     ?    505.7614+-5.4695        ?
   math-spectral-norm                               564.8314+-1.8672     ?    568.3796+-7.2280        ?
   string-base64                                    378.2978+-3.5487          377.4036+-5.0523        
   string-fasta                                     435.8924+-4.3994          434.3793+-5.5001        
   string-tagcloud                                  196.6157+-2.6394     ?    197.6587+-3.2287        ?

   <geometric>                                      453.2088+-3.2542          452.7665+-1.0953          might be 1.0010x faster

                                                        TipOfTree                 FixFlushes                                    
V8Spider:
   crypto                                            56.2053+-1.8242           55.3287+-1.3181          might be 1.0158x faster
   deltablue                                         98.6609+-6.1693           97.2432+-2.4867          might be 1.0146x faster
   earley-boyer                                      44.2807+-0.5750     ?     45.3958+-1.8950        ? might be 1.0252x slower
   raytrace                                          41.0197+-2.9258           40.6875+-1.4953        
   regexp                                            83.1180+-2.1280           82.4667+-3.1621        
   richards                                          78.0810+-1.3962     ?     80.7897+-2.2395        ? might be 1.0347x slower
   splay                                             40.5217+-1.4179           38.9058+-1.4838          might be 1.0415x faster

   <geometric>                                       59.4905+-0.5631           59.2695+-0.7464          might be 1.0037x faster

                                                        TipOfTree                 FixFlushes                                    
Octane:
   encrypt                                           0.20377+-0.00269          0.20233+-0.00089       
   decrypt                                           3.57503+-0.05829    ?     3.57697+-0.04028       ?
   deltablue                                x2       0.20811+-0.00233          0.20738+-0.00235       
   earley                                            0.49650+-0.00422    ^     0.46738+-0.00169       ^ definitely 1.0623x faster
   boyer                                             6.61524+-0.03985    ?     6.62534+-0.03227       ?
   navier-stokes                            x2       5.20999+-0.03497          5.18836+-0.04173       
   raytrace                                 x2       1.32352+-0.08323          1.30107+-0.08201         might be 1.0173x faster
   richards                                 x2       0.12189+-0.00058    ?     0.12359+-0.00296       ? might be 1.0139x slower
   splay                                    x2       0.40355+-0.00479          0.39645+-0.00244         might be 1.0179x faster
   regexp                                   x2      32.15144+-0.29004         31.68904+-0.20602         might be 1.0146x faster
   pdfjs                                    x2      44.94805+-0.26169    ?    44.98965+-0.45707       ?
   mandreel                                 x2      49.72953+-0.47746    ?    50.17446+-0.63541       ?
   gbemu                                    x2      42.88270+-2.69640         42.54507+-2.16897       
   closure                                           0.55971+-0.00228    ?     0.56091+-0.00380       ?
   jquery                                            7.14935+-0.05274          7.14743+-0.08462       
   box2d                                    x2      12.56407+-0.46305         12.44883+-0.07426       
   zlib                                     x2     397.39975+-6.18673        391.14673+-15.13512        might be 1.0160x faster
   typescript                               x2     835.47457+-14.43962       833.72021+-7.31282       

   <geometric>                                       6.75757+-0.05200          6.71261+-0.02732         might be 1.0067x faster

                                                        TipOfTree                 FixFlushes                                    
Kraken:
   ai-astar                                          277.756+-1.084            277.248+-2.243         
   audio-beat-detection                              106.692+-0.700            106.069+-0.841         
   audio-dft                                         118.235+-2.778      ?     118.555+-1.568         ?
   audio-fft                                          84.973+-5.680      ?      87.356+-3.823         ? might be 1.0280x slower
   audio-oscillator                                   79.477+-1.370             79.392+-2.446         
   imaging-darkroom                                  105.007+-1.897      ?     106.580+-2.779         ? might be 1.0150x slower
   imaging-desaturate                                 65.202+-1.965             63.135+-0.176           might be 1.0327x faster
   imaging-gaussian-blur                             112.938+-0.871      ?     115.368+-4.801         ? might be 1.0215x slower
   json-parse-financial                               46.263+-1.967             44.745+-1.560           might be 1.0339x faster
   json-stringify-tinderbox                           29.908+-0.291      ?      35.611+-11.625        ? might be 1.1907x slower
   stanford-crypto-aes                                58.651+-0.992      ?      58.992+-0.996         ?
   stanford-crypto-ccm                                60.910+-1.842             60.377+-2.478         
   stanford-crypto-pbkdf2                            136.914+-2.426      ?     139.666+-3.861         ? might be 1.0201x slower
   stanford-crypto-sha256-iterative                   53.711+-2.007             52.826+-1.857           might be 1.0168x faster

   <arithmetic>                                       95.474+-0.754      ?      96.137+-1.296         ? might be 1.0069x slower

                                                        TipOfTree                 FixFlushes                                    
JSRegress:
   abs-boolean                                        2.7027+-0.0513     ?      2.7029+-0.1546        ?
   adapt-to-double-divide                            16.7830+-0.2026     ?     16.9081+-0.6328        ?
   aliased-arguments-getbyval                         1.3115+-0.1498     ?      1.3312+-0.2185        ? might be 1.0150x slower
   allocate-big-object                                2.8768+-0.1618     ?      2.8897+-0.1094        ?
   arguments-named-and-reflective                    12.3073+-0.6325     ?     12.6879+-1.5440        ? might be 1.0309x slower
   arguments-out-of-bounds                           14.8818+-0.1954     ?     15.0011+-0.5254        ?
   arguments-strict-mode                             10.7858+-0.8355     ?     11.1653+-0.9418        ? might be 1.0352x slower
   arguments                                          9.4161+-0.4597            9.2974+-0.3373          might be 1.0128x faster
   arity-mismatch-inlining                            0.8522+-0.0569            0.8482+-0.0544        
   array-access-polymorphic-structure                 7.1320+-0.9531            6.7987+-0.1754          might be 1.0490x faster
   array-nonarray-polymorhpic-access                 34.4101+-1.6014     ?     35.0487+-0.9686        ? might be 1.0186x slower
   array-prototype-every                             87.0811+-2.6597           86.6569+-1.8940        
   array-prototype-forEach                           84.2189+-3.2807           82.6706+-2.0276          might be 1.0187x faster
   array-prototype-map                               94.5478+-2.6241           91.0002+-2.4807          might be 1.0390x faster
   array-prototype-some                              87.2333+-2.2537           86.2178+-3.2543          might be 1.0118x faster
   array-splice-contiguous                           41.7316+-0.9114     ?     41.8336+-1.1458        ?
   array-with-double-add                              4.2607+-0.3663            4.1215+-0.0798          might be 1.0338x faster
   array-with-double-increment                        3.3075+-0.1210            3.2309+-0.0453          might be 1.0237x faster
   array-with-double-mul-add                          5.2007+-0.3669            5.0233+-0.1769          might be 1.0353x faster
   array-with-double-sum                              3.3022+-0.0916     ?      3.5454+-0.4205        ? might be 1.0737x slower
   array-with-int32-add-sub                           6.7732+-0.0930            6.7561+-0.1291        
   array-with-int32-or-double-sum                     3.5061+-0.3128            3.2812+-0.0214          might be 1.0685x faster
   ArrayBuffer-DataView-alloc-large-long-lived   
                                                     33.1165+-1.9494           32.7015+-1.0141          might be 1.0127x faster
   ArrayBuffer-DataView-alloc-long-lived             14.4448+-1.9521           13.6254+-0.9764          might be 1.0601x faster
   ArrayBuffer-Int32Array-byteOffset                  3.8180+-0.1671     ?      4.1637+-0.4593        ? might be 1.0905x slower
   ArrayBuffer-Int8Array-alloc-large-long-lived   
                                                     33.3724+-1.8540     !     35.9156+-0.2737        ! definitely 1.0762x slower
   ArrayBuffer-Int8Array-alloc-long-lived-buffer   
                                                     23.4832+-1.3976     ?     25.5141+-3.2965        ? might be 1.0865x slower
   ArrayBuffer-Int8Array-alloc-long-lived            14.1354+-2.1210           13.5532+-1.3170          might be 1.0430x faster
   ArrayBuffer-Int8Array-alloc                       11.7976+-1.6683           11.1233+-0.7976          might be 1.0606x faster
   asmjs_bool_bug                                     7.9049+-0.2931            7.7338+-0.1261          might be 1.0221x faster
   assign-custom-setter-polymorphic                   3.3591+-0.4450            3.2028+-0.4255          might be 1.0488x faster
   assign-custom-setter                               4.7884+-0.4813            4.5016+-0.5654          might be 1.0637x faster
   basic-set                                          8.5559+-0.4309            8.3099+-0.2453          might be 1.0296x faster
   big-int-mul                                        4.1201+-0.1992            3.9993+-0.0353          might be 1.0302x faster
   boolean-test                                       3.1100+-0.3165            3.0148+-0.0692          might be 1.0316x faster
   branch-fold                                        3.8427+-0.2802            3.7947+-0.2119          might be 1.0126x faster
   branch-on-string-as-boolean                       19.7327+-1.3384     ?     19.9353+-3.2717        ? might be 1.0103x slower
   by-val-generic                                     8.0625+-0.3208     ?      8.0830+-0.2633        ?
   call-spread-apply                                 32.2268+-1.5642     ?     32.5307+-2.0838        ?
   call-spread-call                                  28.4589+-1.6170     ?     28.8468+-1.0436        ? might be 1.0136x slower
   captured-assignments                               0.4430+-0.0169     ?      0.4661+-0.0551        ? might be 1.0522x slower
   cast-int-to-double                                 5.1919+-0.0790     ?      5.2998+-0.1187        ? might be 1.0208x slower
   cell-argument                                      9.2255+-1.3021            8.4251+-0.1867          might be 1.0950x faster
   cfg-simplify                                       2.9128+-0.1049            2.7841+-0.0563          might be 1.0462x faster
   chain-getter-access                                9.1550+-0.1187     ?      9.2526+-0.3083        ? might be 1.0107x slower
   cmpeq-obj-to-obj-other                            11.8265+-1.7667     ?     12.8609+-0.9293        ? might be 1.0875x slower
   constant-test                                      4.9437+-0.1060            4.8981+-0.0300        
   create-lots-of-functions                          12.6611+-2.5880           11.5870+-0.2591          might be 1.0927x faster
   DataView-custom-properties                        38.1572+-1.2376     ?     39.5195+-1.7324        ? might be 1.0357x slower
   deconstructing-parameters-overridden-by-function   
                                                      0.5642+-0.0846            0.5131+-0.0383          might be 1.0996x faster
   delay-tear-off-arguments-strictmode               13.9734+-0.2796     ?     14.5984+-0.8285        ? might be 1.0447x slower
   deltablue-varargs                                204.5814+-4.7489     ?    204.7906+-1.8839        ?
   destructuring-arguments                           16.9709+-0.2275     ?     17.1934+-0.2053        ? might be 1.0131x slower
   destructuring-swap                                 4.9442+-0.0412            4.9410+-0.0361        
   direct-arguments-getbyval                          1.2399+-0.1220            1.2153+-0.0311          might be 1.0203x faster
   div-boolean-double                                 5.2365+-0.0574     ?      5.2614+-0.0940        ?
   div-boolean                                        7.8307+-0.1149            7.7703+-0.0220        
   double-get-by-val-out-of-bounds                    4.5317+-0.0636            4.5264+-0.0195        
   double-pollution-getbyval                          8.8909+-0.0795            8.8770+-0.1215        
   double-pollution-putbyoffset                       4.3934+-0.1488            4.2957+-0.0497          might be 1.0227x faster
   double-to-int32-typed-array-no-inline              2.3742+-0.3377     ?      2.5338+-0.2602        ? might be 1.0672x slower
   double-to-int32-typed-array                        1.9251+-0.0732     ?      2.0035+-0.0593        ? might be 1.0407x slower
   double-to-uint32-typed-array-no-inline             2.3573+-0.0859            2.2957+-0.0359          might be 1.0268x faster
   double-to-uint32-typed-array                       2.0971+-0.2386            2.0656+-0.0935          might be 1.0153x faster
   elidable-new-object-dag                           42.3341+-0.9975     ?     43.8053+-2.3603        ? might be 1.0348x slower
   elidable-new-object-roflcopter                    47.0483+-1.1792     ?     47.1202+-1.6498        ?
   elidable-new-object-then-call                     40.3153+-1.6702     ?     40.5500+-0.9315        ?
   elidable-new-object-tree                          45.4869+-0.7347     ?     46.3528+-1.4798        ? might be 1.0190x slower
   empty-string-plus-int                              5.4881+-0.0990            5.4199+-0.0682          might be 1.0126x faster
   emscripten-cube2hash                              38.8105+-1.4199     ?     39.3670+-2.6794        ? might be 1.0143x slower
   exit-length-on-plain-object                       14.5781+-1.6267     ?     16.5515+-1.4632        ? might be 1.1354x slower
   external-arguments-getbyval                        1.2953+-0.1237            1.2614+-0.0844          might be 1.0269x faster
   external-arguments-putbyval                        2.3106+-0.0413     ?      2.3883+-0.1318        ? might be 1.0337x slower
   fixed-typed-array-storage-var-index                1.2395+-0.0459     ?      1.2499+-0.1344        ?
   fixed-typed-array-storage                          0.8869+-0.0255     ?      0.9163+-0.0540        ? might be 1.0332x slower
   Float32Array-matrix-mult                           4.7165+-0.4745     ?      5.0303+-0.8587        ? might be 1.0665x slower
   Float32Array-to-Float64Array-set                  54.2428+-2.9322     ?     55.8473+-0.7108        ? might be 1.0296x slower
   Float64Array-alloc-long-lived                     69.1879+-1.1964           68.9905+-1.7678        
   Float64Array-to-Int16Array-set                    69.6098+-1.5345     ?     71.9537+-2.7291        ? might be 1.0337x slower
   fold-double-to-int                                14.0565+-0.7797           13.3824+-0.2644          might be 1.0504x faster
   fold-get-by-id-to-multi-get-by-offset-rare-int   
                                                     10.2364+-1.3504     ?     10.7108+-1.3639        ? might be 1.0463x slower
   fold-get-by-id-to-multi-get-by-offset             10.2716+-1.0439     ?     10.2748+-0.6696        ?
   fold-multi-get-by-offset-to-get-by-offset   
                                                      8.8549+-0.7976     ?      9.4860+-0.9669        ? might be 1.0713x slower
   fold-multi-get-by-offset-to-poly-get-by-offset   
                                                      9.5313+-0.7020            8.6451+-0.7013          might be 1.1025x faster
   fold-multi-put-by-offset-to-poly-put-by-offset   
                                                      9.3313+-1.2747            8.2090+-1.0934          might be 1.1367x faster
   fold-multi-put-by-offset-to-put-by-offset   
                                                      6.9622+-0.7526            5.1729+-1.1084          might be 1.3459x faster
   fold-multi-put-by-offset-to-replace-or-transition-put-by-offset   
                                                      9.6564+-0.4739            9.6425+-0.4024        
   fold-put-by-id-to-multi-put-by-offset              9.8288+-1.5575     ?      9.9024+-0.6081        ?
   fold-put-structure                                 7.4146+-0.5263            6.3717+-1.5783          might be 1.1637x faster
   for-of-iterate-array-entries                       4.8534+-0.2671            4.7095+-0.1514          might be 1.0306x faster
   for-of-iterate-array-keys                          3.9083+-0.3172            3.7275+-0.0483          might be 1.0485x faster
   for-of-iterate-array-values                        3.8464+-0.2577     ?      4.3894+-1.3624        ? might be 1.1412x slower
   fround                                            21.0835+-0.5718           21.0037+-0.6203        
   ftl-library-inlining-dataview                     67.9950+-3.6610     ?     68.7268+-3.3829        ? might be 1.0108x slower
   ftl-library-inlining                              74.3175+-17.1558    ?     82.1043+-18.8464       ? might be 1.1048x slower
   function-dot-apply                                 1.9672+-0.0876     ?      1.9965+-0.0780        ? might be 1.0149x slower
   function-test                                      2.9972+-0.2973     ?      3.1333+-0.6862        ? might be 1.0454x slower
   function-with-eval                               103.9739+-2.5768     ?    105.6593+-2.9615        ? might be 1.0162x slower
   gcse-poly-get-less-obvious                        20.5209+-2.5920           18.4229+-0.8055          might be 1.1139x faster
   gcse-poly-get                                     21.0702+-2.5311           20.4757+-1.2054          might be 1.0290x faster
   gcse                                               4.3929+-0.1277     ?      4.4677+-0.3423        ? might be 1.0170x slower
   get-by-id-bimorphic-check-structure-elimination-simple   
                                                      2.7164+-0.0180     ?      2.9861+-0.4113        ? might be 1.0993x slower
   get-by-id-bimorphic-check-structure-elimination   
                                                      6.1397+-0.2439     ?      6.2426+-0.3317        ? might be 1.0168x slower
   get-by-id-chain-from-try-block                     6.5614+-0.0644            6.5345+-0.2123        
   get-by-id-check-structure-elimination              5.1490+-0.0873     ?      5.4983+-0.5912        ? might be 1.0678x slower
   get-by-id-proto-or-self                           17.1917+-0.6265     ?     17.4296+-0.8510        ? might be 1.0138x slower
   get-by-id-quadmorphic-check-structure-elimination-simple   
                                                      3.1749+-0.0369     ?      3.4273+-0.6193        ? might be 1.0795x slower
   get-by-id-self-or-proto                           17.6765+-0.6543           17.6280+-0.6384        
   get-by-val-out-of-bounds                           4.3617+-0.0319     ?      4.3707+-0.1074        ?
   get_callee_monomorphic                             2.8857+-0.0660            2.8318+-0.0991          might be 1.0190x faster
   get_callee_polymorphic                             3.7092+-0.1043     ?      3.7993+-0.0778        ? might be 1.0243x slower
   getter-no-activation                               5.0398+-0.3053     ?      5.0892+-0.4343        ?
   getter-richards                                  127.3571+-5.7867     ?    129.0267+-8.1238        ? might be 1.0131x slower
   getter                                             6.1389+-0.6656            5.9548+-0.5345          might be 1.0309x faster
   global-var-const-infer-fire-from-opt               0.9598+-0.1183            0.9462+-0.0834          might be 1.0144x faster
   global-var-const-infer                             0.8018+-0.1185     ?      0.8322+-0.0695        ? might be 1.0380x slower
   HashMap-put-get-iterate-keys                      28.6503+-0.9673     ?     29.7057+-2.1596        ? might be 1.0368x slower
   HashMap-put-get-iterate                           30.4670+-1.6284     ?     32.0458+-2.0970        ? might be 1.0518x slower
   HashMap-string-put-get-iterate                    30.3384+-2.8492           29.5978+-1.8242          might be 1.0250x faster
   hoist-make-rope                                   12.3295+-0.5883     ?     12.7663+-0.6985        ? might be 1.0354x slower
   hoist-poly-check-structure-effectful-loop   
                                                      5.9095+-1.7344            5.0274+-0.0330          might be 1.1755x faster
   hoist-poly-check-structure                         3.6689+-0.1043     ?      3.7116+-0.1878        ? might be 1.0116x slower
   imul-double-only                                   9.0398+-1.0223            8.6160+-0.8974          might be 1.0492x faster
   imul-int-only                                     10.0515+-0.6175     ?     10.1023+-0.4109        ?
   imul-mixed                                         8.4932+-0.3293            8.2504+-0.1378          might be 1.0294x faster
   in-four-cases                                     20.5553+-0.3670     ?     20.7941+-0.5388        ? might be 1.0116x slower
   in-one-case-false                                 10.2592+-0.5411           10.1653+-0.3437        
   in-one-case-true                                  10.2427+-0.5815           10.2122+-0.4155        
   in-two-cases                                      10.6033+-0.6255           10.3909+-0.3055          might be 1.0204x faster
   indexed-properties-in-objects                      3.0175+-0.1267     ?      3.3990+-0.4873        ? might be 1.1264x slower
   infer-closure-const-then-mov-no-inline             4.4832+-0.6114            4.1105+-0.3669          might be 1.0907x faster
   infer-closure-const-then-mov                      19.5669+-0.2334     ?     19.6779+-0.2376        ?
   infer-closure-const-then-put-to-scope-no-inline   
                                                     11.3416+-0.8396           11.0669+-0.1389          might be 1.0248x faster
   infer-closure-const-then-put-to-scope             21.8019+-0.9450     ?     22.1827+-1.2380        ? might be 1.0175x slower
   infer-closure-const-then-reenter-no-inline   
                                                     50.7107+-2.3586           49.2225+-1.7688          might be 1.0302x faster
   infer-closure-const-then-reenter                  23.8973+-2.0087           23.6892+-1.9128        
   infer-constant-global-property                    32.0611+-1.7642           30.7223+-1.1730          might be 1.0436x faster
   infer-constant-property                            2.7118+-0.0388     ?      2.7247+-0.0342        ?
   infer-one-time-closure-ten-vars                   12.5710+-0.5820     ?     13.9993+-1.5014        ? might be 1.1136x slower
   infer-one-time-closure-two-vars                   12.5271+-1.1909     ?     12.8317+-1.1697        ? might be 1.0243x slower
   infer-one-time-closure                            12.6816+-1.4004           11.8500+-0.2406          might be 1.0702x faster
   infer-one-time-deep-closure                       20.6825+-0.2492     ?     22.0098+-1.6606        ? might be 1.0642x slower
   inline-arguments-access                            4.4587+-0.0406     ?      4.5121+-0.0913        ? might be 1.0120x slower
   inline-arguments-aliased-access                    4.4489+-0.0541     ?      4.5492+-0.1329        ? might be 1.0225x slower
   inline-arguments-local-escape                      4.4865+-0.0604     ?      4.5350+-0.1171        ? might be 1.0108x slower
   inline-get-scoped-var                              4.9620+-0.3366            4.8868+-0.1737          might be 1.0154x faster
   inlined-put-by-id-transition                      11.6550+-0.6001           11.3121+-1.1035          might be 1.0303x faster
   int-or-other-abs-then-get-by-val                   4.8704+-0.1341     ?      4.9982+-0.4239        ? might be 1.0262x slower
   int-or-other-abs-zero-then-get-by-val             17.5977+-1.5837           16.9208+-0.8647          might be 1.0400x faster
   int-or-other-add-then-get-by-val                   3.9660+-0.0875     ?      3.9995+-0.1892        ?
   int-or-other-add                                   5.3936+-0.2955     ?      5.4065+-0.2319        ?
   int-or-other-div-then-get-by-val                   4.1429+-0.0331     ?      4.1584+-0.0208        ?
   int-or-other-max-then-get-by-val                   4.2337+-0.2096            4.1874+-0.0365          might be 1.0111x faster
   int-or-other-min-then-get-by-val                   4.2274+-0.1726     ?      4.3184+-0.3736        ? might be 1.0215x slower
   int-or-other-mod-then-get-by-val                   3.7913+-0.0554     ?      3.8531+-0.1325        ? might be 1.0163x slower
   int-or-other-mul-then-get-by-val                   3.6562+-0.1198     ?      3.8054+-0.3367        ? might be 1.0408x slower
   int-or-other-neg-then-get-by-val                   4.6315+-0.0391            4.5982+-0.0397        
   int-or-other-neg-zero-then-get-by-val             18.0174+-1.5554           16.5332+-0.2734          might be 1.0898x faster
   int-or-other-sub-then-get-by-val                   4.2475+-0.1656            4.2155+-0.1874        
   int-or-other-sub                                   3.3929+-0.0279     ?      3.4355+-0.1169        ? might be 1.0126x slower
   int-overflow-local                                 4.3379+-0.1117     ?      4.5060+-0.4129        ? might be 1.0387x slower
   Int16Array-alloc-long-lived                       48.3522+-1.5494     ?     49.5811+-1.2457        ? might be 1.0254x slower
   Int16Array-bubble-sort-with-byteLength            19.6064+-0.3038     ?     19.7798+-0.2850        ?
   Int16Array-bubble-sort                            20.3280+-1.2687           19.7940+-0.3302          might be 1.0270x faster
   Int16Array-load-int-mul                            1.5054+-0.0544            1.5048+-0.0654        
   Int16Array-to-Int32Array-set                      58.5155+-1.3186     ^     54.2957+-0.4077        ^ definitely 1.0777x faster
   Int32Array-alloc-large                            24.2395+-1.0045           23.8206+-1.1225          might be 1.0176x faster
   Int32Array-alloc-long-lived                       54.0110+-1.5038           53.5691+-1.4888        
   Int32Array-alloc                                   3.5042+-0.4049     ?      3.5615+-0.3829        ? might be 1.0163x slower
   Int32Array-Int8Array-view-alloc                    7.3269+-1.2445     ?      8.4428+-1.3304        ? might be 1.1523x slower
   int52-spill                                        6.3855+-0.0812     ?      6.4555+-0.1212        ? might be 1.0110x slower
   Int8Array-alloc-long-lived                        44.1628+-1.2186           43.5854+-1.4608          might be 1.0132x faster
   Int8Array-load-with-byteLength                     3.3239+-0.0518     ?      3.6325+-0.5333        ? might be 1.0929x slower
   Int8Array-load                                     3.5526+-0.4754            3.4019+-0.1349          might be 1.0443x faster
   integer-divide                                    11.1023+-0.2980           10.8829+-0.1014          might be 1.0202x faster
   integer-modulo                                     2.0688+-0.1043     ?      2.1068+-0.1841        ? might be 1.0184x slower
   is-boolean-fold-tricky                             4.5078+-0.1161     ?      4.5872+-0.2235        ? might be 1.0176x slower
   is-boolean-fold                                    3.0148+-0.3010            2.8413+-0.0540          might be 1.0610x faster
   is-function-fold-tricky-internal-function   
                                                     12.1214+-0.1634           11.9386+-0.1689          might be 1.0153x faster
   is-function-fold-tricky                            4.7563+-0.3444            4.6564+-0.3251          might be 1.0215x faster
   is-function-fold                                   2.9061+-0.0570     ?      3.0264+-0.3704        ? might be 1.0414x slower
   is-number-fold-tricky                              4.6653+-0.2615            4.4657+-0.0423          might be 1.0447x faster
   is-number-fold                                     2.9058+-0.0791     ?      3.1450+-0.2746        ? might be 1.0823x slower
   is-object-or-null-fold-functions                   2.9987+-0.1121            2.9233+-0.0619          might be 1.0258x faster
   is-object-or-null-fold-less-tricky                 4.6034+-0.1135     ?      4.6077+-0.0508        ?
   is-object-or-null-fold-tricky                      6.6364+-0.0806     ?      6.6534+-0.1640        ?
   is-object-or-null-fold                             2.9161+-0.0443     ?      3.0778+-0.3355        ? might be 1.0554x slower
   is-object-or-null-trickier-function                4.9547+-0.6631            4.8407+-0.5706          might be 1.0236x faster
   is-object-or-null-trickier-internal-function   
                                                     12.4867+-0.1930     ?     12.7548+-0.2425        ? might be 1.0215x slower
   is-object-or-null-tricky-function                  4.6456+-0.1165            4.5561+-0.0632          might be 1.0196x faster
   is-object-or-null-tricky-internal-function   
                                                      9.3100+-0.0536            9.2108+-0.0560          might be 1.0108x faster
   is-string-fold-tricky                              4.6915+-0.2240            4.4223+-0.1021          might be 1.0609x faster
   is-string-fold                                     2.8658+-0.0642     ?      2.9018+-0.0988        ? might be 1.0125x slower
   is-undefined-fold-tricky                           3.9025+-0.2941            3.8232+-0.2216          might be 1.0208x faster
   is-undefined-fold                                  2.8420+-0.0436     ?      2.9948+-0.4103        ? might be 1.0538x slower
   large-int-captured                                 4.6397+-0.0929            4.6012+-0.0369        
   large-int-neg                                     17.0888+-1.1217           16.7538+-1.1261          might be 1.0200x faster
   large-int                                         15.6400+-1.2512           15.1407+-0.8393          might be 1.0330x faster
   logical-not                                        4.5174+-0.2445            4.4528+-0.1325          might be 1.0145x faster
   lots-of-fields                                    13.0080+-0.4355     ?     14.5783+-1.3639        ? might be 1.1207x slower
   make-indexed-storage                               3.2910+-0.2582            3.1659+-0.0729          might be 1.0395x faster
   make-rope-cse                                      5.3188+-0.6466            4.8657+-0.1737          might be 1.0931x faster
   marsaglia-larger-ints                             36.9080+-1.0688           35.9996+-0.3640          might be 1.0252x faster
   marsaglia-osr-entry                               23.3769+-0.6348     ?     23.5201+-0.5422        ?
   max-boolean                                        2.5894+-0.1581     ?      2.6517+-0.3310        ? might be 1.0241x slower
   method-on-number                                  17.6563+-0.3164           16.9257+-0.5246          might be 1.0432x faster
   min-boolean                                        2.6417+-0.3486            2.5461+-0.0752          might be 1.0375x faster
   minus-boolean-double                               3.3185+-0.3116            3.1501+-0.0472          might be 1.0535x faster
   minus-boolean                                      2.4259+-0.1045            2.4106+-0.1944        
   misc-strict-eq                                    38.6219+-2.5335           38.6214+-3.0014        
   mod-boolean-double                                10.9680+-0.2027           10.9383+-0.1288        
   mod-boolean                                        7.8866+-0.1159     ?      7.9641+-0.2795        ?
   mul-boolean-double                                 3.7271+-0.0625     ?      3.7415+-0.0826        ?
   mul-boolean                                        2.9235+-0.0758            2.8865+-0.0828          might be 1.0128x faster
   neg-boolean                                        3.3834+-0.3818            3.2188+-0.1594          might be 1.0511x faster
   negative-zero-divide                               0.4142+-0.0933            0.3892+-0.0488          might be 1.0641x faster
   negative-zero-modulo                               0.3731+-0.0431            0.3685+-0.0329          might be 1.0126x faster
   negative-zero-negate                               0.3559+-0.0886            0.3353+-0.0049          might be 1.0614x faster
   nested-function-parsing                           38.1937+-0.4916     ?     38.6465+-0.6802        ? might be 1.0119x slower
   new-array-buffer-dead                            113.8680+-1.6513          112.9664+-2.9777        
   new-array-buffer-push                              6.8075+-0.1348     ?      7.1222+-0.6794        ? might be 1.0462x slower
   new-array-dead                                    19.2628+-0.5602     ?     19.5837+-0.4771        ? might be 1.0167x slower
   new-array-push                                     3.9297+-0.1643     ?      3.9462+-0.1420        ?
   no-inline-constructor                            124.1392+-3.6336          123.2277+-2.8394        
   number-test                                        2.9727+-0.0344     ?      3.1208+-0.1532        ? might be 1.0499x slower
   object-closure-call                                5.5291+-0.1708            5.4864+-0.1646        
   object-test                                        2.7715+-0.0367            2.7454+-0.0344        
   obvious-sink-pathology-taken                     138.4963+-2.9326     ?    140.0126+-1.6559        ? might be 1.0109x slower
   obvious-sink-pathology                           132.4417+-3.0134     ?    132.7460+-2.3639        ?
   obviously-elidable-new-object                     35.2621+-1.2057     ?     35.9709+-1.2634        ? might be 1.0201x slower
   plus-boolean-arith                                 2.6254+-0.3235            2.5967+-0.1418          might be 1.0111x faster
   plus-boolean-double                                3.3363+-0.4157     ?      3.3387+-0.3540        ?
   plus-boolean                                       2.3548+-0.0379     ?      2.4469+-0.1084        ? might be 1.0391x slower
   poly-chain-access-different-prototypes-simple   
                                                      3.3302+-0.0875            3.2947+-0.0558          might be 1.0108x faster
   poly-chain-access-different-prototypes             2.7915+-0.2762            2.6313+-0.0885          might be 1.0609x faster
   poly-chain-access-simpler                          3.2813+-0.0427     ?      3.3430+-0.0885        ? might be 1.0188x slower
   poly-chain-access                                  2.6062+-0.0967            2.6009+-0.0527        
   poly-stricteq                                     58.9608+-1.5563           57.4759+-1.9702          might be 1.0258x faster
   polymorphic-array-call                             1.2801+-0.1017     ?      1.2924+-0.1646        ?
   polymorphic-get-by-id                              3.1355+-0.0537     ?      3.2349+-0.3431        ? might be 1.0317x slower
   polymorphic-put-by-id                             29.6040+-2.3045     ?     29.7677+-2.2631        ?
   polymorphic-structure                             13.5763+-0.2671     ?     13.9265+-0.6289        ? might be 1.0258x slower
   polyvariant-monomorphic-get-by-id                  8.5925+-0.1377            8.5105+-0.1838        
   proto-getter-access                                9.1289+-0.2493     ?      9.2083+-0.3762        ?
   put-by-id-replace-and-transition                   9.0573+-0.0541     ?      9.0705+-0.1303        ?
   put-by-id-slightly-polymorphic                     2.9412+-0.1677            2.9203+-0.0931        
   put-by-id                                         12.7971+-0.1255     ?     12.9219+-0.6613        ?
   put-by-val-direct                                  0.4845+-0.0610            0.4522+-0.0049          might be 1.0714x faster
   put-by-val-large-index-blank-indexing-type   
                                                      6.2320+-1.0382     ?      6.3797+-0.6117        ? might be 1.0237x slower
   put-by-val-machine-int                             2.7181+-0.1127            2.6558+-0.0540          might be 1.0235x faster
   rare-osr-exit-on-local                            15.2973+-0.4130           15.0255+-0.3992          might be 1.0181x faster
   register-pressure-from-osr                        21.1612+-0.1658     ?     21.2372+-0.2750        ?
   setter                                             5.5635+-0.5722     ?      5.6596+-0.6213        ? might be 1.0173x slower
   simple-activation-demo                            25.5509+-1.6958           25.2699+-1.8445          might be 1.0111x faster
   simple-getter-access                              11.7633+-0.2205     ?     11.8043+-0.1560        ?
   simple-poly-call-nested                            8.5723+-0.5497            8.1713+-0.3022          might be 1.0491x faster
   simple-poly-call                                   1.3768+-0.1985            1.3060+-0.0738          might be 1.0542x faster
   sin-boolean                                       23.0407+-0.8388           22.0588+-1.5967          might be 1.0445x faster
   singleton-scope                                   62.5273+-1.2741     ?     62.5652+-1.6464        ?
   sink-function                                     12.0807+-0.3123           12.0660+-0.2033        
   sink-huge-activation                              19.8909+-0.8166           19.5741+-0.8532          might be 1.0162x faster
   sinkable-new-object-dag                           71.3271+-1.4102           71.2250+-1.3615        
   sinkable-new-object-taken                         52.5273+-2.6969     ?     54.7729+-3.7294        ? might be 1.0428x slower
   sinkable-new-object                               39.1763+-0.8125     ?     39.2488+-1.5282        ?
   slow-array-profile-convergence                     2.8143+-0.0925     ?      3.0339+-0.5161        ? might be 1.0780x slower
   slow-convergence                                   2.7387+-0.0642     ?      2.8791+-0.3306        ? might be 1.0513x slower
   sorting-benchmark                                 20.8358+-0.3019           20.4950+-0.2321          might be 1.0166x faster
   sparse-conditional                                 1.1947+-0.1410            1.1789+-0.0606          might be 1.0134x faster
   splice-to-remove                                  16.6397+-0.3176     ?     17.2749+-1.4743        ? might be 1.0382x slower
   string-char-code-at                               16.3120+-0.6751           16.2601+-0.8493        
   string-concat-object                               2.5890+-0.0938     ?      2.7814+-0.4054        ? might be 1.0743x slower
   string-concat-pair-object                          2.5787+-0.1791     ?      2.6702+-0.2534        ? might be 1.0355x slower
   string-concat-pair-simple                         12.0873+-0.9984           12.0544+-0.9999        
   string-concat-simple                              12.2936+-0.1043     ?     12.9039+-1.2198        ? might be 1.0496x slower
   string-cons-repeat                                 8.5324+-1.0909     ?      9.1497+-1.0150        ? might be 1.0723x slower
   string-cons-tower                                  8.6259+-0.7991     ?      8.6934+-1.0254        ?
   string-equality                                   18.6851+-0.8882           18.4803+-1.0390          might be 1.0111x faster
   string-get-by-val-big-char                         7.3290+-0.5309            7.1244+-0.0768          might be 1.0287x faster
   string-get-by-val-out-of-bounds-insane             4.1221+-0.6996            3.7914+-0.2384          might be 1.0872x faster
   string-get-by-val-out-of-bounds                    5.2445+-0.0552     ?      5.4232+-0.4482        ? might be 1.0341x slower
   string-get-by-val                                  3.2658+-0.0515     ?      3.3028+-0.1461        ? might be 1.0113x slower
   string-hash                                        2.1313+-0.2482            2.0168+-0.0115          might be 1.0567x faster
   string-long-ident-equality                        14.8256+-0.6439           14.5667+-0.1872          might be 1.0178x faster
   string-out-of-bounds                              14.9976+-0.3483           14.7776+-0.1310          might be 1.0149x faster
   string-repeat-arith                               32.8398+-3.4976     ?     34.2504+-2.4989        ? might be 1.0430x slower
   string-sub                                        64.8580+-2.3647     ?     67.2200+-2.4004        ? might be 1.0364x slower
   string-test                                        2.8808+-0.0451     ?      3.1073+-0.3682        ? might be 1.0786x slower
   string-var-equality                               33.9859+-1.4914     ?     35.2830+-1.8738        ? might be 1.0382x slower
   structure-hoist-over-transitions                   2.7795+-0.2382            2.7164+-0.1044          might be 1.0232x faster
   substring-concat-weird                            40.6672+-1.4992     ?     40.8313+-1.9525        ?
   substring-concat                                  42.5214+-2.3840     ?     42.6772+-2.1479        ?
   substring                                         46.2477+-1.0668     ?     47.2819+-2.0685        ? might be 1.0224x slower
   switch-char-constant                               2.7310+-0.0839     ?      2.7777+-0.1198        ? might be 1.0171x slower
   switch-char                                        6.9277+-1.0170            6.9072+-1.0692        
   switch-constant                                    8.6486+-0.4143            8.4929+-0.2026          might be 1.0183x faster
   switch-string-basic-big-var                       17.4106+-0.8053     ?     17.4760+-0.7813        ?
   switch-string-basic-big                           14.3651+-0.2067           14.2292+-0.2057        
   switch-string-basic-var                           14.5325+-0.1287     ?     15.3052+-1.0234        ? might be 1.0532x slower
   switch-string-basic                               13.0536+-0.6469           12.7898+-0.1302          might be 1.0206x faster
   switch-string-big-length-tower-var                19.8093+-0.2870     ?     20.2684+-1.3006        ? might be 1.0232x slower
   switch-string-length-tower-var                    14.9744+-0.2338           14.9380+-0.2146        
   switch-string-length-tower                        12.3184+-0.0730           12.3080+-0.2069        
   switch-string-short                               12.1850+-0.1951     ?     12.3017+-0.1727        ?
   switch                                            12.6895+-0.2292           12.5665+-0.1012        
   tear-off-arguments-simple                          3.5018+-0.1890     ?      3.5922+-0.2038        ? might be 1.0258x slower
   tear-off-arguments                                 4.8077+-0.1358     ?      4.8116+-0.1523        ?
   temporal-structure                                12.0252+-0.2649     ?     12.0981+-0.2116        ?
   to-int32-boolean                                  13.3348+-0.1204     ?     13.7385+-0.6945        ? might be 1.0303x slower
   try-catch-get-by-val-cloned-arguments             14.3358+-0.1792     ?     15.1010+-1.1703        ? might be 1.0534x slower
   try-catch-get-by-val-direct-arguments              6.5874+-0.3665     ?      6.6834+-0.1987        ? might be 1.0146x slower
   try-catch-get-by-val-scoped-arguments              8.0664+-1.0737     ?      8.2872+-1.3091        ? might be 1.0274x slower
   typed-array-get-set-by-val-profiling              32.4172+-0.9778           32.3330+-0.8516        
   undefined-property-access                        341.2850+-4.7073     ?    342.1524+-3.4673        ?
   undefined-test                                     3.2398+-0.3604            3.0848+-0.2325          might be 1.0502x faster
   unprofiled-licm                                   23.2740+-0.7748           23.1159+-0.5787        
   varargs-call                                      14.1946+-0.2583     ?     14.3721+-0.8107        ? might be 1.0125x slower
   varargs-construct-inline                          21.6658+-1.1628     ?     21.8522+-1.8688        ?
   varargs-construct                                 31.4531+-1.2326           31.0348+-0.5077          might be 1.0135x faster
   varargs-inline                                     8.9405+-0.2246     ?      9.0810+-0.2401        ? might be 1.0157x slower
   varargs-strict-mode                                9.7415+-0.2188     ?     10.1671+-0.9580        ? might be 1.0437x slower
   varargs                                            9.8536+-0.3290     ?      9.9344+-0.4816        ?
   weird-inlining-const-prop                          2.4982+-0.1957            2.3186+-0.1779          might be 1.0775x faster

   <geometric>                                        8.5592+-0.0263            8.5588+-0.0268          might be 1.0001x faster

                                                        TipOfTree                 FixFlushes                                    
AsmBench:
   bigfib.cpp                                       495.1100+-2.4052     ?    497.0655+-4.3357        ?
   cray.c                                           427.9183+-3.8993          423.7480+-2.6068        
   dry.c                                            482.6205+-9.0997          481.7394+-9.7727        
   FloatMM.c                                        724.7424+-1.9782          724.0091+-1.1654        
   gcc-loops.cpp                                   4263.0283+-9.5587     ?   4286.3566+-55.3791       ?
   n-body.c                                         976.1954+-2.1400     ?    980.9128+-4.6878        ?
   Quicksort.c                                      422.9260+-7.2008          420.2486+-1.5073        
   stepanov_container.cpp                          3621.0996+-22.2588    ?   3622.1635+-12.9061       ?
   Towers.c                                         259.7870+-0.5325     ?    261.1313+-2.6459        ?

   <geometric>                                      792.0364+-2.0692     ?    792.0976+-2.7174        ? might be 1.0001x slower

                                                        TipOfTree                 FixFlushes                                    
CompressionBench:
   huffman                                          374.4856+-4.5038     ^    359.8628+-4.2091        ^ definitely 1.0406x faster
   arithmetic-simple                                396.7551+-5.1287     ?    397.4955+-4.6276        ?
   arithmetic-precise                               299.9264+-3.2477     ?    303.4613+-6.1822        ? might be 1.0118x slower
   arithmetic-complex-precise                       298.6718+-4.6066          295.6637+-3.4773          might be 1.0102x faster
   arithmetic-precise-order-0                       424.4695+-6.0649          423.8506+-6.2288        
   arithmetic-precise-order-1                       330.1265+-2.8701          324.2908+-3.0070          might be 1.0180x faster
   arithmetic-precise-order-2                       364.4917+-9.1919          357.1160+-4.0710          might be 1.0207x faster
   arithmetic-simple-order-1                        423.9655+-5.6373     ?    425.0317+-4.9172        ?
   arithmetic-simple-order-2                        461.7207+-5.1088     ?    461.9953+-7.8743        ?
   lz-string                                        325.3846+-12.7547         320.9573+-3.5613          might be 1.0138x faster

   <geometric>                                      366.0962+-1.2592          362.9598+-1.9493          might be 1.0086x faster

                                                        TipOfTree                 FixFlushes                                    
Geomean of preferred means:
   <scaled-result>                                   62.3523+-0.1816           62.3465+-0.2950          might be 1.0001x faster
Comment 5 Geoffrey Garen 2015-05-11 12:41:42 PDT
Comment on attachment 252756 [details]
the patch

r=me
Comment 6 Filip Pizlo 2015-05-11 15:45:05 PDT
Landed in http://trac.webkit.org/changeset/184128