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2.1%-3.3% regression in page_cycler.basic_oopif at 391201:391226 |
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Issue descriptionSee the link to graphs below.
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May 4 2016
=== Auto-CCing suspected CL author eae@chromium.org === Hi eae@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 : Re-enable complex text path on android Author : eae Commit description: Trying to re-enable the complex text path on Android now that hb-ot-font is used for glyph lookups and the separate glyph cache has been removed. This should result in lower memory usage for the complex text code path, we'll watch the memory bots though and revert as needed if it regresses. BUG=577306 R=drott@chromium.org Review-Url: https://codereview.chromium.org/1942223002 Cr-Commit-Position: refs/heads/master@{#391215} Commit : 7e9bf5e20a53b0934944d5d40456ec7e7ea0815b Date : Tue May 03 13:16:54 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@391213 2769.38 6.83812 5 good chromium@391214 2760.27 22.4272 5 good chromium@391215 2862.32 13.8379 5 bad <-- chromium@391217 2854.96 19.0249 5 bad Bisect job ran on: android_nexus5X_perf_bisect Bug ID: 608962 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --also-run-disabled-tests page_cycler.typical_25 Test Metric: cold_times/page_load_time Relative Change: 3.09% Score: 99.9 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus5X_perf_bisect/builds/133 Job details: https://chromeperf.appspot.com/buildbucket_job_status/9013639517646588016 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5271883688181760 | 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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May 4 2016
Already reverted.
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May 4 2016
The regressions have recovered. |
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Comment 1 by lanwei@google.com
, May 4 2016