Diff Report
Run #519ead03a5283: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #519eade6f30be: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #519ead03a5283Run #519eade6f30beDiffDiff%
Number of Function Calls873 904 31 3.6%
Incl. Wall Time (microsec)511 459 -52 -10.2%
Incl. Wall Time (microsec) per call 1 1 -0 -13.3%
Excl. Wall Time (microsec)511 459 -52 -10.2%
Incl. CPU (microsecs)1,134 1,153 19 1.7%
Incl. CPU (microsecs) per call 1 1 -0 -1.8%
Excl. CPU (microsec)1,134 1,153 19 1.7%
Incl. MemUse (bytes)63,840 65,152 1,312 2.1%
Incl. MemUse (bytes) per call 73 72 -1 -1.4%
Excl. MemUse (bytes)63,840 65,152 1,312 2.1%
Incl. PeakMemUse (bytes)20,632 20,176 -456 -2.2%
Incl. PeakMemUse (bytes) per call 24 22 -1 -5.6%
Excl. PeakMemUse (bytes)20,632 20,176 -456 -2.2%

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
substr31 100.0% -52 -1.9% 19 1.6% 1,312 0.4% -456 -0.2%
Exclusive Metrics Diff for Current Function-52 -100.0% 19 100.0% 1,312 100.0% -456 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% -44 -84.6% -24 -126.3% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% -3 -5.8% -1 -5.3% 0 0.0% -456 -100.0%
devel_silent0 0.0% -3 -5.8% 2 10.5% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -2 -3.8% -1 -5.3% 0 0.0% 0 0.0%
theme@20 0.0% 2 3.8% -1 -5.3% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -2 -3.8% 2 10.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename32 103.2% 1 1.9% 38 200.0% 1,344 102.4% 0 0.0%
url0 0.0% 1 1.9% 1 5.3% 0 0.0% 0 0.0%
theme@1-1 -3.2% -1 -1.9% 3 15.8% -32 -2.4% 0 0.0%
drupal_settings_initialize0 0.0% 1 1.9% -1 -5.3% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% -1 -1.9% -1 -5.3% 0 0.0% 0 0.0%
theme@40 0.0% -1 -1.9% -1 -5.3% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 1 5.3% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 3 15.8% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -2 -10.5% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -1 -5.3% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -5.3% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 5.3% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -1 -5.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 2 10.5% 0 0.0% 0 0.0%