[Webkit-unassigned] [Bug 153803] New: [iOS Simulator] perf/show-hide-table-rows.html is flaky

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 2 14:31:48 PST 2016


https://bugs.webkit.org/show_bug.cgi?id=153803

            Bug ID: 153803
           Summary: [iOS Simulator] perf/show-hide-table-rows.html is
                    flaky
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: iOS
                OS: iOS 9.0
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: New Bugs
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ryanhaddad at apple.com
            Blocks: 152130

[iOS Simulator] perf/show-hide-table-rows.html is flaky

<https://build.webkit.org/results/Apple%20iOS%209%20Simulator%20Release%20WK2%20(Tests)/r196028%20(2805)/results.html>
<http://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=perf%2Fshow-hide-table-rows.html>

--- /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/perf/show-hide-table-rows-expected.txt
+++ /Volumes/Data/slave/ios-simulator-9-release-tests-wk2/build/layout-test-results/perf/show-hide-table-rows-actual.txt
@@ -1,3 +1,50 @@
 Tests that hiding/showing of table rows is linear.
-PASS
+FAIL: got >=O(n^2) expected O(n)

+DEBUG LOG:
+run iteration. magnitude 2 jsObjectCountBefore 3901 jsObjectCountAfter 3885
+run iteration. magnitude 4 jsObjectCountBefore 3885 jsObjectCountAfter 4037
+run iteration. magnitude 8 jsObjectCountBefore 4037 jsObjectCountAfter 4043
+run iteration. magnitude 16 jsObjectCountBefore 4043 jsObjectCountAfter 4050
+run iteration. magnitude 32 jsObjectCountBefore 4050 jsObjectCountAfter 4057
+run iteration. magnitude 64 jsObjectCountBefore 4057 jsObjectCountAfter 4065
+run iteration. magnitude 128 jsObjectCountBefore 4065 jsObjectCountAfter 4072
+run iteration. magnitude 256 jsObjectCountBefore 4072 jsObjectCountAfter 4079
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 225,175,94,63,27,16,8,5
+numPoints 8 slope 0.07901591004489283 intercept 0.7278242464021254 rSquared 0.9863257620589934
+numPoints 8 slope 3.678986718530958 intercept -5.710268208938441 rSquared 0.7863805515841976
+numPoints 8 slope 0.8283950739266523 intercept -1.6068061243743776 rSquared 0.9907556595647615
+rSquared 0.9863257620589934 rSquaredXLog 0.7863805515841976 rSquaredXYLog 0.9907556595647615
+numTriesLeft: 2
+run iteration. magnitude 2 jsObjectCountBefore 4079 jsObjectCountAfter 4140
+run iteration. magnitude 4 jsObjectCountBefore 4140 jsObjectCountAfter 4147
+run iteration. magnitude 8 jsObjectCountBefore 4147 jsObjectCountAfter 4153
+run iteration. magnitude 16 jsObjectCountBefore 4153 jsObjectCountAfter 4160
+run iteration. magnitude 32 jsObjectCountBefore 4160 jsObjectCountAfter 4167
+run iteration. magnitude 64 jsObjectCountBefore 4167 jsObjectCountAfter 4174
+run iteration. magnitude 128 jsObjectCountBefore 4174 jsObjectCountAfter 4181
+run iteration. magnitude 256 jsObjectCountBefore 4181 jsObjectCountAfter 4188
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 238,169,102,57,33,13,6,5
+numPoints 8 slope 0.08423593363535008 intercept 1.021951675072767 rSquared 0.9185669288787183
+numPoints 8 slope 4.102152907496975 intercept -6.403288304931561 rSquared 0.8011701267887312
+numPoints 8 slope 0.8665983943219856 intercept -1.6894968369591215 rSquared 0.9836369218729898
+rSquared 0.9185669288787183 rSquaredXLog 0.8011701267887312 rSquaredXYLog 0.9836369218729898
+numTriesLeft: 1
+run iteration. magnitude 2 jsObjectCountBefore 4188 jsObjectCountAfter 4233
+run iteration. magnitude 4 jsObjectCountBefore 4233 jsObjectCountAfter 4240
+run iteration. magnitude 8 jsObjectCountBefore 4240 jsObjectCountAfter 4246
+run iteration. magnitude 16 jsObjectCountBefore 4246 jsObjectCountAfter 4253
+run iteration. magnitude 32 jsObjectCountBefore 4253 jsObjectCountAfter 4260
+run iteration. magnitude 64 jsObjectCountBefore 4260 jsObjectCountAfter 4268
+run iteration. magnitude 128 jsObjectCountBefore 4268 jsObjectCountAfter 4293
+run iteration. magnitude 256 jsObjectCountBefore 4293 jsObjectCountAfter 4283
+magnitudes: 2,4,8,16,32,64,128,256
+iterations: 254,153,107,59,32,17,8,5
+numPoints 8 slope 0.07935441782299904 intercept 0.5891737629474987 rSquared 0.9878832256845468
+numPoints 8 slope 3.6539605469479213 intercept -5.749278130310334 rSquared 0.7703288076727479
+numPoints 8 slope 0.8309391766841812 intercept -1.6499098738899591 rSquared 0.9932960568051096
+rSquared 0.9878832256845468 rSquaredXLog 0.7703288076727479 rSquaredXYLog 0.9932960568051096
+
+

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