Diff Report
Run #5192e6f7bc551: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5192e84845baf: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5192e6f7bc551Run #5192e84845bafDiffDiff%
Number of Function Calls73 76 3 4.1%
Incl. Wall Time (microsec)34 29 -5 -14.7%
Incl. Wall Time (microsec) per call 0 0 -0 -18.1%
Excl. Wall Time (microsec)34 29 -5 -14.7%
Incl. CPU (microsecs)114 100 -14 -12.3%
Incl. CPU (microsecs) per call 2 1 -0 -15.7%
Excl. CPU (microsec)114 100 -14 -12.3%
Incl. MemUse (bytes)27,880 28,040 160 0.6%
Incl. MemUse (bytes) per call 382 369 -13 -3.4%
Excl. MemUse (bytes)27,880 28,040 160 0.6%
Incl. PeakMemUse (bytes)14,008 14,016 8 0.1%
Incl. PeakMemUse (bytes) per call 192 184 -7 -3.9%
Excl. PeakMemUse (bytes)14,008 14,016 8 0.1%

Parent/Child Regression/Improvement report for substr [View Callgraph Diff]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%
Current Function
substr3 100.0% -5 -1.0% -14 -1.4% 160 0.2% 8 0.0%
Exclusive Metrics Diff for Current Function-5 -100.0% -14 -100.0% 160 100.0% 8 100.0%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -4 -80.0% -2 -14.3% 0 0.0% 0 0.0%
theme@20 0.0% -2 -40.0% -4 -28.6% 0 0.0% -192 -2400.0%
theme@1-1 -33.3% -1 -20.0% -6 -42.9% -32 -20.0% 200 2500.0%
drupal_strip_dangerous_protocols0 0.0% -1 -20.0% -1 -7.1% 24 15.0% 0 0.0%
image_style_path_token0 0.0% 1 20.0% 2 14.3% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 1 20.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 20.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -3 -21.4% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% -2 -14.3% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 7.1% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -7.1% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 133.3% 0 0.0% 5 35.7% 168 105.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%