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

substrRun #5196f0780fa8cRun #5196ef15c751eDiffDiff%
Number of Function Calls739 727 -12 -1.6%
Incl. Wall Time (microsec)32,649 10,661 -21,988 -67.3%
Incl. Wall Time (microsec) per call 44 15 -30 -66.8%
Excl. Wall Time (microsec)32,649 10,661 -21,988 -67.3%
Incl. CPU (microsecs)8,002 4,000 -4,002 -50.0%
Incl. CPU (microsecs) per call 11 6 -5 -49.2%
Excl. CPU (microsec)8,002 4,000 -4,002 -50.0%
Incl. MemUse (bytes)78,952 77,024 -1,928 -2.4%
Incl. MemUse (bytes) per call 107 106 -1 -0.8%
Excl. MemUse (bytes)78,952 77,024 -1,928 -2.4%
Incl. PeakMemUse (bytes)13,848 12,744 -1,104 -8.0%
Incl. PeakMemUse (bytes) per call 19 18 -1 -6.5%
Excl. PeakMemUse (bytes)13,848 12,744 -1,104 -8.0%

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-12 -100.0% -21,988 -0.3% -4,002 -20.0% -1,928 -0.1% -1,104 -0.1%
Exclusive Metrics Diff for Current Function-21,988 -100.0% -4,002 -100.0% -1,928 -100.0% -1,104 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile-8 -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::getCacheFilename-4 -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%