Bug 29226 – Massive SunSpider regressions from r45543 to r48276 on PPC G4 with 10.4.11

• Status: RESOLVED
• Resolution: WONTFIX
• Component: JavaScriptCore

Only Finder was running besides WebKit when running the tests:

WebKit r45543:
http://webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d-cube%22:%5B253,277,251,259,258%5D,%223d-morph%22:%5B352,323,345,347,345%5D,%223d-raytrace%22:%5B209,208,340,241,233%5D,%22access-binary-trees%22:%5B43,40,52,41,41%5D,%22access-fannkuch%22:%5B130,148,149,128,129%5D,%22access-nbody%22:%5B283,287,323,318,333%5D,%22access-nsieve%22:%5B57,58,54,56,55%5D,%22bitops-3bit-bits-in-byte%22:%5B44,44,44,44,43%5D,%22bitops-bits-in-byte%22:%5B62,62,63,61,62%5D,%22bitops-bitwise-and%22:%5B111,68,68,69,68%5D,%22bitops-nsieve-bits%22:%5B120,223,122,158,151%5D,%22controlflow-recursive%22:%5B36,36,36,36,36%5D,%22crypto-aes%22:%5B74,73,72,74,72%5D,%22crypto-md5%22:%5B92,74,177,74,74%5D,%22crypto-sha1%22:%5B99,79,77,77,79%5D,%22date-format-tofte%22:%5B125,127,246,127,130%5D,%22date-format-xparb%22:%5B144,145,148,198,148%5D,%22math-cordic%22:%5B191,194,345,199,204%5D,%22math-partial-sums%22:%5B247,250,271,296,233%5D,%22math-spectral-norm%22:%5B118,119,120,144,146%5D,%22regexp-dna%22:%5B759,776,619,737,653%5D,%22string-base64%22:%5B94,113,95,110,92%5D,%22string-fasta%22:%5B163,157,176,249,162%5D,%22string-tagcloud%22:%5B166,166,188,166,165%5D,%22string-unpack-code%22:%5B384,397,253,256,383%5D,%22string-validate-input%22:%5B465,188,185,190,197%5D%7D

WebKit r47800:
http://webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d-cube%22:%5B291,375,241,282,283%5D,%223d-morph%22:%5B380,357,480,362,354%5D,%223d-raytrace%22:%5B289,341,299,364,259%5D,%22access-binary-trees%22:%5B93,89,86,86,89%5D,%22access-fannkuch%22:%5B479,556,487,585,479%5D,%22access-nbody%22:%5B282,275,273,284,280%5D,%22access-nsieve%22:%5B179,203,179,204,173%5D,%22bitops-3bit-bits-in-byte%22:%5B188,174,169,178,165%5D,%22bitops-bits-in-byte%22:%5B175,182,178,195,175%5D,%22bitops-bitwise-and%22:%5B167,171,172,181,165%5D,%22bitops-nsieve-bits%22:%5B311,340,371,349,341%5D,%22controlflow-recursive%22:%5B98,96,96,104,98%5D,%22crypto-aes%22:%5B185,189,189,195,187%5D,%22crypto-md5%22:%5B118,124,123,127,116%5D,%22crypto-sha1%22:%5B124,159,134,202,121%5D,%22date-format-tofte%22:%5B243,220,239,214,207%5D,%22date-format-xparb%22:%5B189,194,197,225,184%5D,%22math-cordic%22:%5B268,289,272,286,286%5D,%22math-partial-sums%22:%5B256,255,251,254,271%5D,%22math-spectral-norm%22:%5B218,218,218,250,215%5D,%22regexp-dna%22:%5B637,666,643,665,673%5D,%22string-base64%22:%5B165,263,164,219,170%5D,%22string-fasta%22:%5B282,288,251,287,270%5D,%22string-tagcloud%22:%5B283,238,226,234,216%5D,%22string-unpack-code%22:%5B287,342,280,375,526%5D,%22string-validate-input%22:%5B274,251,223,235,233%5D%7D

WebKit r48276:
http://webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d-cube%22:%5B269,262,336,261,252%5D,%223d-morph%22:%5B406,404,381,399,381%5D,%223d-raytrace%22:%5B430,266,276,282,273%5D,%22access-binary-trees%22:%5B94,91,94,96,88%5D,%22access-fannkuch%22:%5B691,551,634,548,640%5D,%22access-nbody%22:%5B282,340,297,282,308%5D,%22access-nsieve%22:%5B192,184,184,200,176%5D,%22bitops-3bit-bits-in-byte%22:%5B167,193,167,195,222%5D,%22bitops-bits-in-byte%22:%5B201,189,175,189,175%5D,%22bitops-bitwise-and%22:%5B192,194,207,194,182%5D,%22bitops-nsieve-bits%22:%5B333,348,337,345,360%5D,%22controlflow-recursive%22:%5B103,142,102,103,103%5D,%22crypto-aes%22:%5B204,185,183,196,191%5D,%22crypto-md5%22:%5B127,135,157,147,128%5D,%22crypto-sha1%22:%5B138,138,127,124,123%5D,%22date-format-tofte%22:%5B238,266,216,334,211%5D,%22date-format-xparb%22:%5B222,197,188,215,186%5D,%22math-cordic%22:%5B279,295,306,290,281%5D,%22math-partial-sums%22:%5B252,261,253,258,275%5D,%22math-spectral-norm%22:%5B226,232,228,236,224%5D,%22regexp-dna%22:%5B745,736,662,752,691%5D,%22string-base64%22:%5B169,185,178,179,184%5D,%22string-fasta%22:%5B261,309,263,270,287%5D,%22string-tagcloud%22:%5B222,216,220,232,221%5D,%22string-unpack-code%22:%5B291,307,391,303,299%5D,%22string-validate-input%22:%5B234,225,243,254,326%5D%7D

[Oliver Hunt]

does this include the op_method_check optimisation?  If it does that's probably a regression for the interpreter so we may just want to make it jit-only

[Gavin Barraclough]

This is not an actionable bug now.