Diff Report
Run #51b033ccbc666: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51b032b631491: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51b033ccbc666Run #51b032b631491DiffDiff%
Number of Function Calls5,471 5,467 -4 -0.1%
Incl. Wall Time (microsec)1,647 1,838 191 11.6%
Incl. Wall Time (microsec) per call 0 0 0 11.7%
Excl. Wall Time (microsec)1,647 1,838 191 11.6%
Incl. CPU (microsecs)6,670 6,677 7 0.1%
Incl. CPU (microsecs) per call 1 1 0 0.2%
Excl. CPU (microsec)6,670 6,677 7 0.1%
Incl. MemUse (bytes)185,512 185,336 -176 -0.1%
Incl. MemUse (bytes) per call 34 34 -0 -0.0%
Excl. MemUse (bytes)185,512 185,336 -176 -0.1%
Incl. PeakMemUse (bytes)14,648 14,768 120 0.8%
Incl. PeakMemUse (bytes) per call 3 3 0 0.9%
Excl. PeakMemUse (bytes)14,648 14,768 120 0.8%

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-4 -100.0% 191 1.0% 7 0.0% -176 -0.1% 120 0.1%
Exclusive Metrics Diff for Current Function191 100.0% 7 100.0% -176 -100.0% 120 100.0%
Parent functions
Symfony\Component\Yaml\Inline::parseScalar0 0.0% 87 45.5% -34 -485.7% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parse0 0.0% 33 17.3% 38 542.9% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Parser::getNextEmbedBlock0 0.0% 25 13.1% 1 14.3% 0 0.0% 0 0.0%
theme@30 0.0% 19 9.9% -7 -100.0% 0 0.0% 0 0.0%
Symfony\Component\Yaml\Inline::parseQuotedScalar0 0.0% 9 4.7% 9 128.6% 0 0.0% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 7 3.7% 11 157.1% 0 0.0% 8 6.7%
theme@20 0.0% 5 2.6% -4 -57.1% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 3 1.6% -5 -71.4% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-4 -100.0% 2 1.0% -4 -57.1% -168 -95.5% 0 0.0%
devel_silent0 0.0% 1 0.5% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% -1 -0.5% 0 0.0% 0 0.0% 0 0.0%
url0 0.0% -1 -0.5% -1 -14.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 0.5% 4 57.1% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 1 0.5% -3 -42.9% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -2 -28.6% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 3 42.9% 0 0.0% 0 0.0%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 1 14.3% 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%
request_path0 0.0% 0 0.0% -1 -14.3% 0 0.0% 112 93.3%
contextual_custom_theme0 0.0% 0 0.0% 1 14.3% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 4 57.1% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -1 -14.3% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -1 -14.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 14.3% -8 -4.5% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% -3 -42.9% 0 0.0% 0 0.0%