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1.9% regression in memory.top_10_mobile at 428225:428292 |
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Issue descriptionSee the link to graphs below.
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Nov 2 2016
Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8997111144890478976
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Nov 3 2016
===== BISECT JOB RESULTS ===== Status: completed ===== SUSPECTED CL(s) ===== Subject : Remove runtime flag 'UnsafeES3APIs' from blink webgl. Author : yunchao.he Commit description: This is the first step to remove unsafe mode and enable ES3 APIs for WebGL2 and ES3 context by default. Command line option "--enable-unsafe-es3-apis" would be unnecessary and removed afterwards. Intent to implement: https://www.chromestatus.com/features/6694359164518400 Launch bug: http://crbug.com/641635 (Note that this is not the launch CL -- it's still not possible to create a WebGL 2.0 context without the flag) BUG= 654787 , 641635 CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel Review-Url: https://codereview.chromium.org/2451943002 Cr-Commit-Position: refs/heads/master@{#428253} Commit : 58dd74648c572ceaf28175b2a2802d3c50a9b316 Date : Fri Oct 28 02:27:13 2016 ===== TESTED REVISIONS ===== Revision Mean Std Dev N Good? chromium@428224 1139200 6359.64 8 good chromium@428241 1145515 6282.98 18 good chromium@428250 1147790 7564.03 27 good chromium@428252 1148778 7989.7 41 good chromium@428253 1149577 5149.39 41 bad <-- chromium@428254 1152796 6256.74 27 bad chromium@428258 1150976 6050.19 12 bad chromium@428292 1153024 6568.21 8 bad Bisect job ran on: android_nexus6_perf_bisect Bug ID: 661502 Test Command: src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests memory.top_10_mobile Test Metric: memory:chrome:all_processes:reported_by_os:system_memory:ashmem:proportional_resident_size_avg/background/after_http_m_intl_taobao_com_group_purchase_html Relative Change: 0.65% Score: 95.0 Buildbot stdio: http://build.chromium.org/p/tryserver.chromium.perf/builders/android_nexus6_perf_bisect/builds/2717 Job details: https://chromeperf.appspot.com/buildbucket_job_status/8997111144890478976 Not what you expected? We'll investigate and get back to you! https://chromeperf.appspot.com/bad_bisect?try_job_id=5823284036239360 | 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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Comment 1 by primiano@chromium.org
, Nov 2 2016