Diff Report
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #518fbd1297c93Run #518fb7370421eDiffDiff%
Number of Function Calls88 80 -8 -9.1%
Incl. Wall Time (microsec)31 38 7 22.6%
Incl. Wall Time (microsec) per call 0 0 0 34.8%
Excl. Wall Time (microsec)31 38 7 22.6%
Incl. CPU (microsecs)119 116 -3 -2.5%
Incl. CPU (microsecs) per call 1 1 0 7.2%
Excl. CPU (microsec)119 116 -3 -2.5%
Incl. MemUse (bytes)30,176 29,056 -1,120 -3.7%
Incl. MemUse (bytes) per call 343 363 20 5.9%
Excl. MemUse (bytes)30,176 29,056 -1,120 -3.7%
Incl. PeakMemUse (bytes)14,520 13,736 -784 -5.4%
Incl. PeakMemUse (bytes) per call 165 172 7 4.1%
Excl. PeakMemUse (bytes)14,520 13,736 -784 -5.4%

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-8 -100.0% 7 0.2% -3 -0.1% -1,120 -0.3% -784 -0.2%
Exclusive Metrics Diff for Current Function7 100.0% -3 -100.0% -1,120 -100.0% -784 -100.0%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 4 57.1% 6 200.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 2 28.6% -3 -100.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename-8 -100.0% -2 -28.6% -9 -300.0% -1,120 -100.0% -784 -100.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 1 14.3% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 1 14.3% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 1 14.3% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 14.3% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -14.3% -5 -166.7% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
theme0 0.0% 0 0.0% 6 200.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 1 33.3% 0 0.0% 0 0.0%