Issue 2497: REGRESSION: Performance Drop in Sunspider since 2255 http://code.google.com/p/chromium/issues/detail?id=2497
New issue report by wellofsouls0: Product Version : from 2255 to 2356 (latest) <see about:version> URLs (if applicable) : http://www2.webkit.org/perf/sunspider- 0.9/sunspider.html Other browsers tested: Add OK or FAIL after other browsers where you have tested this issue: Safari 3: N/A Firefox 3: N/A IE 7: N/A What steps will reproduce the problem? 1. go to Sunspider Javascript Benchmark in the above URL 2. Run the benchmark 3. Wait to see result What is the expected result? performance should be the same or faster than build 2250 What happens instead? performance drops a lot compared to build 2250 Please provide any additional information below. Attach a screenshot if possible. build 2250 result : http://www2.webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d- cube%22:%5B38,41,43,46,41%5D,%223d-morph%22:%5B73,79,78,73,77%5D,%223d- raytrace%22:%5B49,48,48,50,47%5D,%22access-binary- trees%22:%5B8,9,7,9,8%5D,%22access- fannkuch%22:%5B46,43,42,41,41%5D,%22access- nbody%22:%5B44,40,40,48,39%5D,%22access- nsieve%22:%5B27,29,27,26,26%5D,%22bitops-3bit-bits-in- byte%22:%5B8,7,8,8,9%5D,%22bitops-bits-in- byte%22:%5B16,16,15,14,16%5D,%22bitops-bitwise- and%22:%5B28,27,28,29,27%5D,%22bitops-nsieve- bits%22:%5B46,39,41,51,40%5D,%22controlflow- recursive%22:%5B5,7,5,4,7%5D,%22crypto- aes%22:%5B34,32,28,26,33%5D,%22crypto- md5%22:%5B27,25,23,24,26%5D,%22crypto-sha1%22:%5B25,23,25,24,24%5D,%22date- format-tofte%22:%5B106,106,107,108,107%5D,%22date-format- xparb%22:%5B113,111,104,111,111%5D,%22math- cordic%22:%5B85,88,96,83,85%5D,%22math-partial- sums%22:%5B50,53,50,51,59%5D,%22math-spectral- norm%22:%5B20,18,19,19,21%5D,%22regexp- dna%22:%5B410,409,411,423,403%5D,%22string- base64%22:%5B81,73,83,91,70%5D,%22string- fasta%22:%5B74,75,73,73,73%5D,%22string- tagcloud%22:%5B179,171,204,173,169%5D,%22string-unpack- code%22:%5B214,224,225,221,229%5D,%22string-validate- input%22:%5B96,93,95,95,96%5D%7D build 2255 result : http://www2.webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d- cube%22:%5B64,69,52,73,70%5D,%223d- morph%22:%5B122,112,124,117,126%5D,%223d- raytrace%22:%5B72,75,84,72,82%5D,%22access-binary- trees%22:%5B9,8,7,9,8%5D,%22access- fannkuch%22:%5B64,64,54,65,66%5D,%22access- nbody%22:%5B71,52,64,48,77%5D,%22access- nsieve%22:%5B40,38,39,39,41%5D,%22bitops-3bit-bits-in- byte%22:%5B8,7,7,7,8%5D,%22bitops-bits-in- byte%22:%5B27,16,13,26,31%5D,%22bitops-bitwise- and%22:%5B38,39,38,41,50%5D,%22bitops-nsieve- bits%22:%5B70,62,40,47,51%5D,%22controlflow- recursive%22:%5B6,16,5,5,6%5D,%22crypto- aes%22:%5B54,39,39,40,37%5D,%22crypto- md5%22:%5B35,49,36,38,35%5D,%22crypto-sha1%22:%5B46,49,23,35,35%5D,%22date- format-tofte%22:%5B162,178,186,166,154%5D,%22date-format- xparb%22:%5B173,179,176,179,158%5D,%22math- cordic%22:%5B135,131,150,147,147%5D,%22math-partial- sums%22:%5B72,86,76,74,70%5D,%22math-spectral- norm%22:%5B33,32,34,32,33%5D,%22regexp- dna%22:%5B641,659,631,645,640%5D,%22string- base64%22:%5B138,115,139,141,115%5D,%22string- fasta%22:%5B105,94,105,104,118%5D,%22string- tagcloud%22:%5B292,275,340,261,281%5D,%22string-unpack- code%22:%5B361,362,342,346,359%5D,%22string-validate- input%22:%5B153,152,153,137,138%5D%7D build 2356 result : http://www2.webkit.org/perf/sunspider-0.9/sunspider-results.html?%7B%223d- cube%22:%5B62,63,69,63,79%5D,%223d- morph%22:%5B120,125,121,130,109%5D,%223d- raytrace%22:%5B85,90,86,71,73%5D,%22access-binary- trees%22:%5B8,7,8,22,7%5D,%22access- fannkuch%22:%5B53,63,65,40,56%5D,%22access- nbody%22:%5B68,57,86,65,64%5D,%22access- nsieve%22:%5B53,38,28,39,39%5D,%22bitops-3bit-bits-in- byte%22:%5B19,7,7,17,8%5D,%22bitops-bits-in- byte%22:%5B27,24,26,15,15%5D,%22bitops-bitwise- and%22:%5B39,35,46,26,39%5D,%22bitops-nsieve- bits%22:%5B74,62,76,37,65%5D,%22controlflow- recursive%22:%5B5,16,16,16,5%5D,%22crypto- aes%22:%5B43,52,48,50,49%5D,%22crypto- md5%22:%5B37,23,36,50,36%5D,%22crypto-sha1%22:%5B47,37,35,36,49%5D,%22date- format-tofte%22:%5B178,168,176,165,164%5D,%22date-format- xparb%22:%5B155,151,141,166,163%5D,%22math- cordic%22:%5B150,146,138,136,157%5D,%22math-partial- sums%22:%5B74,76,73,74,75%5D,%22math-spectral- norm%22:%5B32,19,33,32,33%5D,%22regexp- dna%22:%5B630,629,621,614,622%5D,%22string- base64%22:%5B85,99,112,101,98%5D,%22string- fasta%22:%5B105,106,105,93,105%5D,%22string- tagcloud%22:%5B254,327,267,272,268%5D,%22string-unpack- code%22:%5B348,329,342,355,338%5D,%22string-validate- input%22:%5B122,131,136,119,135%5D%7D Issue attributes: Status: Unconfirmed Owner: [EMAIL PROTECTED] Labels: Type-Bug Pri-2 OS-All Area-Unknown -- You received this message because you are listed in the owner or CC fields of this issue, or because you starred this issue. 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