Diff Report
Run #51c25102ed66d: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #51c24fd9b971a: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for substr

substrRun #51c25102ed66dRun #51c24fd9b971aDiffDiff%
Number of Function Calls2,312 2,308 -4 -0.2%
Incl. Wall Time (microsec)3,104 3,054 -50 -1.6%
Incl. Wall Time (microsec) per call 1 1 -0 -1.4%
Excl. Wall Time (microsec)3,104 3,054 -50 -1.6%
Incl. CPU (microsecs)5,235 5,185 -50 -1.0%
Incl. CPU (microsecs) per call 2 2 -0 -0.8%
Excl. CPU (microsec)5,235 5,185 -50 -1.0%
Incl. MemUse (bytes)117,624 117,448 -176 -0.1%
Incl. MemUse (bytes) per call 51 51 0 0.0%
Excl. MemUse (bytes)117,624 117,448 -176 -0.1%
Incl. PeakMemUse (bytes)21,520 21,520 0 0.0%
Incl. PeakMemUse (bytes) per call 9 9 0 0.2%
Excl. PeakMemUse (bytes)21,520 21,520 0 0.0%

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% -50 -0.3% -50 -0.4% -176 -0.3% 0 0.0%
Exclusive Metrics Diff for Current Function-50 -100.0% -50 -100.0% -176 -100.0% 0 N/A%
Parent functions
Twig_Environment::getCacheFilename-4 -100.0% -4 -8.0% -7 -14.0% -168 -95.5% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::build0 0.0% 0 0.0% -1 -2.0% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% -10 -20.0% -15 -30.0% 0 0.0% 0 N/A%
theme@10 0.0% -1 -2.0% -2 -4.0% 0 0.0% 0 N/A%
theme@20 0.0% -1 -2.0% -2 -4.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 0.0% 0 0.0% 0 0.0% -16 -9.1% 0 N/A%
theme@30 0.0% -7 -14.0% 13 26.0% 0 0.0% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 3 6.0% 7 14.0% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 2 4.0% 2 4.0% 0 0.0% 0 N/A%
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 3 6.0% -50 -100.0% 8 4.5% 0 N/A%
drupal_settings_initialize0 0.0% 0 0.0% -1 -2.0% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -2 -4.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 7 14.0% -15 -30.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -42 -84.0% 20 40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 4 8.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% -1 -2.0% 0 0.0% 0 N/A%