Diff Report
Run #519edf3566aae: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519ede3a9dd65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519edf3566aaeRun #519ede3a9dd65DiffDiff%
Number of Function Calls1,165 1,138 -27 -2.3%
Incl. Wall Time (microsec)501 474 -27 -5.4%
Incl. Wall Time (microsec) per call 0 0 -0 -3.1%
Excl. Wall Time (microsec)501 474 -27 -5.4%
Incl. CPU (microsecs)1,455 1,427 -28 -1.9%
Incl. CPU (microsecs) per call 1 1 0 0.4%
Excl. CPU (microsec)1,455 1,427 -28 -1.9%
Incl. MemUse (bytes)205,184 204,032 -1,152 -0.6%
Incl. MemUse (bytes) per call 176 179 3 1.8%
Excl. MemUse (bytes)205,184 204,032 -1,152 -0.6%
Incl. PeakMemUse (bytes)18,720 18,800 80 0.4%
Incl. PeakMemUse (bytes) per call 16 17 0 2.8%
Excl. PeakMemUse (bytes)18,720 18,800 80 0.4%

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
substr-27 -100.0% -27 -0.1% -28 -0.1% -1,152 -0.4% 80 0.1%
Exclusive Metrics Diff for Current Function-27 -100.0% -28 -100.0% -1,152 -100.0% 80 100.0%
Parent functions
theme@50 0.0% -12 -44.4% 5 17.9% 0 0.0% -288 -360.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 6 22.2% 20 71.4% 0 0.0% 0 0.0%
theme@40 0.0% -5 -18.5% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -5 -18.5% -8 -28.6% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -5 -18.5% -7 -25.0% -8 -0.7% 0 0.0%
Twig_Environment::getCacheFilename-28 -103.7% -4 -14.8% -31 -110.7% -1,176 -102.1% 0 0.0%
file_uri_scheme0 0.0% -1 -3.7% -2 -7.1% 0 0.0% 456 570.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -3.7% 1 3.6% 0 0.0% 0 0.0%
theme@20 0.0% 1 3.7% -4 -14.3% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% -1 -3.7% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 3 10.7% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% -1 -3.6% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% 1 3.6% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% -2 -7.1% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -3.6% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -1 -3.6% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -3.6% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -3 -10.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 3.6% 0 0.0% 0 0.0%
theme@11 3.7% 0 0.0% 2 7.1% 32 2.8% -88 -110.0%