94886 2012-08-23 18:09:20 -0700 Add an optimized version of copyLCharsFromUCharSource for ARM 2012-10-31 17:31:43 -0700 1 1 1 Unclassified WebKit Web Template Framework 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 benjamin benjamin antonm dglazkov eric gustavo peter+ews philn webkit.review.bot xan.lopez zwarich oldest_to_newest 703623 0 benjamin 2012-08-23 18:09:20 -0700 Some more SIMD :) 703628 1 160303 benjamin 2012-08-23 18:20:33 -0700 Created attachment 160303 Patch 703630 2 benjamin 2012-08-23 18:22:36 -0700 I could not use intrinsics here because: -I need the explicit alignment for speed. -I need the auto increment for speed. -IIRC the interleaved load intrinsics are not always available anyway. 703643 3 160303 buildbot 2012-08-23 18:45:41 -0700 Comment on attachment 160303 Patch Attachment 160303 did not pass mac-ews (mac): Output: http://queues.webkit.org/results/13562967 703650 4 160303 webkit.review.bot 2012-08-23 18:55:13 -0700 Comment on attachment 160303 Patch Attachment 160303 did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/13570906 703661 5 160310 benjamin 2012-08-23 19:24:37 -0700 Created attachment 160310 Patch 703674 6 160310 webkit.review.bot 2012-08-23 19:46:59 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/13568917 703678 7 160310 buildbot 2012-08-23 20:00:33 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass win-ews (win): Output: http://queues.webkit.org/results/13559960 703686 8 160310 webkit-ews 2012-08-23 20:44:51 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass qt-ews (qt): Output: http://queues.webkit.org/results/13559975 703687 9 160310 benjamin 2012-08-23 20:47:48 -0700 Comment on attachment 160310 Patch I'll fix that tomorrow. 703689 10 160310 gyuyoung.kim 2012-08-23 20:51:47 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass efl-ews (efl): Output: http://queues.webkit.org/results/13566937 703694 11 160310 webkit-ews 2012-08-23 20:58:43 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/13563945 703724 12 160310 peter+ews 2012-08-23 21:43:04 -0700 Comment on attachment 160310 Patch Attachment 160310 did not pass cr-android-ews (chromium-android): Output: http://queues.webkit.org/results/13569880 704358 13 160481 benjamin 2012-08-24 12:50:43 -0700 Created attachment 160481 Patch 704360 14 benjamin 2012-08-24 12:51:46 -0700 This new version improves the performance when we cannot use Neon, and is just as fast when the input is big enough. 752696 15 160481 barraclough 2012-10-26 23:12:23 -0700 Comment on attachment 160481 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=160481&action=review This looks awesome, didn't know about the interleaved unpack, that's really handy. > Source/WTF/wtf/text/ASCIIFastPath.h:134 > +#elif COMPILER(GCC) && CPU(ARM_NEON) && !(PLATFORM(BIG_ENDIAN) || PLATFORM(MIDDLE_ENDIAN)) Your optimized path skips an ASSERT to check the upper bits are zero; might be worth adding "&& defined(NDEBUG)" so that debug builds get the C-loop with the ASSERT. > Source/WTF/wtf/text/ASCIIFastPath.h:141 > + do { I think WebKit coding style is no parens here. 755749 16 benjamin 2012-10-31 17:31:43 -0700 Committed r133100: <http://trac.webkit.org/changeset/133100> 160303 2012-08-23 18:20:33 -0700 2012-08-23 19:24:36 -0700 Patch bug-94886-20120823182029.patch text/plain 2977 benjamin U3VidmVyc2lvbiBSZXZpc2lvbjogMTI2NTEyCmRpZmYgLS1naXQgYS9Tb3VyY2UvV1RGL0NoYW5n ZUxvZyBiL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCmluZGV4IDQ2YTVlMDFlMmViODNhNjg4YWNkN2Y1 M2Y3YTM2N2YyOGVkMDUxYzkuLjY0MmQ3NDg1YmFhM2IyYmVkYzZlZDNlMDgyZTY5ODlmMjkxZTdh NTMgMTAwNjQ0Ci0tLSBhL1NvdXJjZS9XVEYvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9XVEYvQ2hh 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