Diff Report
Run #5196ef15c751e: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5196f0780fa8c: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for substr

substrRun #5196ef15c751eRun #5196f0780fa8cDiffDiff%
Number of Function Calls727 739 12 1.7%
Incl. Wall Time (microsec)10,661 32,649 21,988 206.2%
Incl. Wall Time (microsec) per call 15 44 30 201.3%
Excl. Wall Time (microsec)10,661 32,649 21,988 206.2%
Incl. CPU (microsecs)4,000 8,002 4,002 100.0%
Incl. CPU (microsecs) per call 6 11 5 96.8%
Excl. CPU (microsec)4,000 8,002 4,002 100.0%
Incl. MemUse (bytes)77,024 78,952 1,928 2.5%
Incl. MemUse (bytes) per call 106 107 1 0.8%
Excl. MemUse (bytes)77,024 78,952 1,928 2.5%
Incl. PeakMemUse (bytes)12,744 13,848 1,104 8.7%
Incl. PeakMemUse (bytes) per call 18 19 1 6.9%
Excl. PeakMemUse (bytes)12,744 13,848 1,104 8.7%

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
substr12 100.0% 21,988 0.3% 4,002 20.0% 1,928 0.1% 1,104 0.1%
Exclusive Metrics Diff for Current Function21,988 100.0% 4,002 100.0% 1,928 100.0% 1,104 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile8 66.7% 20,310 92.4% 1 0.0% 544 28.2% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 373 1.7% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 275 1.3% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 250 1.1% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 33.3% 163 0.7% 0 0.0% 1,384 71.8% 1,104 100.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 138 0.6% 4,001 100.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 126 0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 64 0.3% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 61 0.3% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 52 0.2% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 34 0.2% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 31 0.1% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 29 0.1% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 28 0.1% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 27 0.1% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 27 0.1% 0 0.0% 0 0.0% 0 0.0%