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

substrRun #51b032b631491Run #51b033ccbc666DiffDiff%
Number of Function Calls5,467 5,471 4 0.1%
Incl. Wall Time (microsec)1,838 1,647 -191 -10.4%
Incl. Wall Time (microsec) per call 0 0 -0 -10.5%
Excl. Wall Time (microsec)1,838 1,647 -191 -10.4%
Incl. CPU (microsecs)6,677 6,670 -7 -0.1%
Incl. CPU (microsecs) per call 1 1 -0 -0.2%
Excl. CPU (microsec)6,677 6,670 -7 -0.1%
Incl. MemUse (bytes)185,336 185,512 176 0.1%
Incl. MemUse (bytes) per call 34 34 0 0.0%
Excl. MemUse (bytes)185,336 185,512 176 0.1%
Incl. PeakMemUse (bytes)14,768 14,648 -120 -0.8%
Incl. PeakMemUse (bytes) per call 3 3 -0 -0.9%
Excl. PeakMemUse (bytes)14,768 14,648 -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
substr4 100.0% -191 -1.0% -7 -0.0% 176 0.1% -120 -0.1%
Exclusive Metrics Diff for Current Function-191 -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::getCacheFilename4 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%