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3.2% regression in speedometer at 405221:405223 |
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Issue descriptionSee the link to graphs below.
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Jul 14 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/9007175568987085568
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Jul 14 2016
=== Auto-CCing suspected CL author dbeam@chromium.org === Hi dbeam@chromium.org, the bisect results pointed to your CL below as possibly causing a regression. Please have a look at this info and see whether your CL be related. ===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Revert of Color: Don't duplicate ICC profile data (patchset #3 id:40001 of https://codereview.chromium.org/2140803002/ ) Author : dbeam Commit description: Reason for revert: Broke static initializers step of sizes on Linux: https://build.chromium.org/p/chromium/builders/Linux%20x64/builds/22278 Maybe making map_ a base::LazyInstance would solve your problem? Original issue's description: > Color: Don't duplicate ICC profile data > > Make gfx::ColorSpace have an internal pointer to a globally-unique > structure for the color space, where its ICC profile can be stored. > > BUG= 622133 > > Committed: https://crrev.com/92294e78c762e993e8dcf538860abf65629f3320 > Cr-Commit-Position: refs/heads/master@{#405211} TBR=hubbe@chromium.org,ccameron@chromium.org # Skipping CQ checks because original CL landed less than 1 days ago. NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG= 622133 Review-Url: https://codereview.chromium.org/2148013002 Cr-Commit-Position: refs/heads/master@{#405221} Commit : 075682d2247db4715899446dfcebd22ba952882a Date : Wed Jul 13 19:25:09 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@405220 236.869 4.40523 27 good chromium@405221 239.097 3.45513 27 bad <-- chromium@405222 239.584 4.29269 27 bad chromium@405223 240.403 4.10169 27 bad Bisect job ran on: win_x64_perf_bisect Bug ID: 628116 Test Command: src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --also-run-disabled-tests speedometer Test Metric: VanillaJS-TodoMVC/VanillaJS-TodoMVC Relative Change: 1.43% Score: 95.0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/win_x64_perf_bisect/builds/1321 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9007175568987085568 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5859689133244416 | O O | Visit http://www.chromium.org/developers/speed-infra/perf-bug-faq | X | for more information addressing perf regression bugs. For feedback, | / \ | file a bug with component Tests>AutoBisect. Thank you!
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Jul 14 2016
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Comment 1 by nikolaos@chromium.org
, Jul 14 2016