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24%-55% regression in blink_perf.layout at 452136:452322 |
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Issue descriptionSee the link to graphs below.
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Mar 2 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8986223898896177680
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Mar 3 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: winx64_zen_perf_bisect Benchmark : blink_perf.layout Metric : large-table-with-collapsed-borders-and-colspans-wider-than-table/large-table-with-collapsed-borders-and-colspans-wider-than-table Revision Result N chromium@452135 419.652 +- 34.4184 21 good chromium@452322 416.114 +- 94.6959 21 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.layout Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8986223898896177680 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5223925581086720 | 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 8 2017
Ignore this - ref is moving with the signal
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Apr 11 2017
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8982651674581087296
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Apr 11 2017
=== BISECT JOB RESULTS === NO Perf regression found Bisect Details Configuration: winx64_zen_perf_bisect Benchmark : blink_perf.layout Metric : large-table-with-collapsed-borders-and-colspans-wider-than-table/large-table-with-collapsed-borders-and-colspans-wider-than-table Revision Result N chromium@452135 457.889 +- 203.201 21 good chromium@452322 436.861 +- 119.706 21 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.layout Debug Info https://chromeperf.appspot.com/buildbucket_job_status/8982651674581087296 Is this bisect wrong? https://chromeperf.appspot.com/bad_bisect?try_job_id=5223925581086720 | 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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Comment 1 by sullivan@chromium.org
, Mar 2 2017