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16.4%-29.9% regression in blink_perf.dom at 455056:455781 |
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Issue descriptionSee the link to graphs below.
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Mar 13 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8985229232160241888
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Mar 13 2017
=== Auto-CCing suspected CL author reed@google.com === Hi reed@google.com, the bisect results pointed to your CL, please take a look at the results. === BISECT JOB RESULTS === Perf regression found with culprit Suspected Commit Author : Mike Reed Commit : 84dd85793560769e9628d0a767cb50a4234c572a Date : Thu Mar 09 14:59:32 2017 Subject: make GrPaint.h private -- IWYU Bisect Details Configuration: winx64intel_perf_bisect Benchmark : blink_perf.dom Metric : remove_child_with_selection/remove_child_with_selection Change : 5.76% | 1.49855555556 -> 1.58488888889 Revision Result N chromium@455055 1.49856 +- 0.160469 9 good chromium@455418 1.50483 +- 0.0882884 6 good chromium@455600 1.47417 +- 0.0232988 6 good chromium@455691 1.519 +- 0.0168523 6 good chromium@455736 1.5305 +- 0.0277038 6 good chromium@455759 1.51183 +- 0.0332691 6 good chromium@455770 1.49767 +- 0.0242762 6 good chromium@455776 1.5255 +- 0.0253673 6 good chromium@455778 1.5135 +- 0.0497946 6 good chromium@455778,skia@4a21c94f40 1.502 +- 0.0161864 6 good chromium@455778,skia@84dd857935 1.583 +- 0.034 6 bad <-- chromium@455779 1.58983 +- 0.0618452 6 bad chromium@455781 1.58489 +- 0.0336584 9 bad To Run This Test src/tools/perf/run_benchmark -v --browser=release_x64 --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests blink_perf.dom Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8985229232160241888 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5773031814725632 | 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 Speed>Bisection. Thank you!
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Mar 14 2017
Hmm, I'm surprised bisect blamed this CL, there is a likely culprit CL in the range: (https://chromium.googlesource.com/chromium/src/+/5e921f820bc0a86566e25b279019ba965535230e). If you don't think this was your CL reassign to me and I will dupe to the right bug.
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Aug 16 2017
Looks like this recovered. |
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Comment 1 by hjd@chromium.org
, Mar 13 2017