Diff Report
Run #51abc563dc23f: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51abc4cb0a647: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51abc563dc23fRun #51abc4cb0a647DiffDiff%
Number of Function Calls183 183 0 0.0%
Incl. Wall Time (microsec)76 66 -10 -13.2%
Incl. Wall Time (microsec) per call 0 0 -0 -13.2%
Excl. Wall Time (microsec)76 66 -10 -13.2%
Incl. CPU (microsecs)244 247 3 1.2%
Incl. CPU (microsecs) per call 1 1 0 1.2%
Excl. CPU (microsec)244 247 3 1.2%
Incl. MemUse (bytes)53,416 53,416 0 0.0%
Incl. MemUse (bytes) per call 292 292 0 0.0%
Excl. MemUse (bytes)53,416 53,416 0 0.0%
Incl. PeakMemUse (bytes)19,992 19,992 0 0.0%
Incl. PeakMemUse (bytes) per call 109 109 0 0.0%
Excl. PeakMemUse (bytes)19,992 19,992 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
substr0 N/A% -10 -4.9% 3 2.4% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function-10 -100.0% 3 100.0% 0 N/A% 0 N/A%
Parent functions
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% -4 -40.0% 5 166.7% 0 N/A% 0 N/A%
Drupal\Component\Uuid\Php::generate0 N/A% -2 -20.0% 3 100.0% 0 N/A% 0 N/A%
Twig_Environment::getCacheFilename0 N/A% -2 -20.0% -1 -33.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Xss::split0 N/A% -1 -10.0% -1 -33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 1 10.0% -1 -33.3% 0 N/A% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -1 -10.0% -1 -33.3% 0 N/A% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% -1 -10.0% -5 -166.7% 0 N/A% 0 N/A%
_drupal_session_read0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\Component\Utility\UrlValidator::stripDangerousProtocols0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 N/A%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
theme@20 N/A% 0 0.0% 5 166.7% 0 N/A% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 N/A%
contextual_custom_theme0 N/A% 0 0.0% 1 33.3% 0 N/A% 0 N/A%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
edit_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%
editor_custom_theme0 N/A% 0 0.0% -1 -33.3% 0 N/A% 0 N/A%
request_path0 N/A% 0 0.0% 1 33.3% 0 N/A% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 N/A%