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

substrRun #519eade6f30beRun #519ead03a5283DiffDiff%
Number of Function Calls904 873 -31 -3.4%
Incl. Wall Time (microsec)459 511 52 11.3%
Incl. Wall Time (microsec) per call 1 1 0 15.3%
Excl. Wall Time (microsec)459 511 52 11.3%
Incl. CPU (microsecs)1,153 1,134 -19 -1.6%
Incl. CPU (microsecs) per call 1 1 0 1.8%
Excl. CPU (microsec)1,153 1,134 -19 -1.6%
Incl. MemUse (bytes)65,152 63,840 -1,312 -2.0%
Incl. MemUse (bytes) per call 72 73 1 1.5%
Excl. MemUse (bytes)65,152 63,840 -1,312 -2.0%
Incl. PeakMemUse (bytes)20,176 20,632 456 2.3%
Incl. PeakMemUse (bytes) per call 22 24 1 5.9%
Excl. PeakMemUse (bytes)20,176 20,632 456 2.3%

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-31 -100.0% 52 1.9% -19 -1.6% -1,312 -0.4% 456 0.2%
Exclusive Metrics Diff for Current Function52 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%
theme@11 3.2% 1 1.9% -3 -15.8% 32 2.4% 0 0.0%
url0 0.0% -1 -1.9% -1 -5.3% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-32 -103.2% -1 -1.9% -38 -200.0% -1,344 -102.4% 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%