See the link to graphs below.
All graphs for this bug: https://chromeperf.appspot.com/group_report?bug_id=918597 (For debugging:) Original alerts at time of bug-filing: https://chromeperf.appspot.com/group_report?sid=fcdd403a4394fad05fc8660d7a50db64627e6ed990734dcba8164d6c1ec6f6e5 Bot(s) for this bug's original alert(s): Android Nexus5X WebView Perf Android Nexus6 WebView Perf rendering.mobile - Benchmark documentation link: https://bit.ly/rendering-benchmarks
📍 Pinpoint job started. https://pinpoint-dot-chromeperf.appspot.com/job/1451453c940000
📍 Found a significant difference after 1 commit. https://pinpoint-dot-chromeperf.appspot.com/job/1451453c940000 Move visual overflow computation into the descendant-dependent tree walk. by chrishtr@chromium.org https://chromium.googlesource.com/chromium/src/+/395a93a5ea18f0890a237d5e687a80b69f39a473 thread_total_all_cpu_time_per_frame: 7.843 → 10.95 (+3.103) Understanding performance regressions: http://g.co/ChromePerformanceRegressions Benchmark documentation link: https://bit.ly/rendering-benchmarks
The following revision refers to this bug: https://chromium.googlesource.com/chromium/src.git/+/36665607b4f8ed9a692a142de420da8913805aaa commit 36665607b4f8ed9a692a142de420da8913805aaa Author: Chris Harrelson <chrishtr@chromium.org> Date: Fri Jan 11 18:21:28 2019 Move invalidation of compositing inputs when setting needs overflow recalc to PaintLayer. Bug: 918597 , 918598 Change-Id: I7736dc073deabdcf773d29574f6448c08cb699b1 Reviewed-on: https://chromium-review.googlesource.com/c/1405452 Commit-Queue: Chris Harrelson <chrishtr@chromium.org> Reviewed-by: Aleks Totic <atotic@chromium.org> Cr-Commit-Position: refs/heads/master@{#622060} [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_block.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_block_flow.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_list_item.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_multi_column_set.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_table.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/layout_text_control_single_line.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/layout/ng/layout_ng_mixin.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/paint/paint_layer.cc [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/paint/paint_layer.h [modify] https://crrev.com/36665607b4f8ed9a692a142de420da8913805aaa/third_party/blink/renderer/core/scheduler/frame_throttling_test.cc
Issue 921171 has been merged into this issue.
Comment 1 by 42576172...@developer.gserviceaccount.com
, Jan 2