Diff Report
Run #519b12bb10362: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for substr

substrRun #519b12bb10362Run #519b0e62696b0DiffDiff%
Number of Function Calls802 802 0 0.0%
Incl. Wall Time (microsec)1,091 1,076 -15 -1.4%
Incl. Wall Time (microsec) per call 1 1 -0 -1.4%
Excl. Wall Time (microsec)1,091 1,076 -15 -1.4%
Incl. CPU (microsecs)1,902 1,883 -19 -1.0%
Incl. CPU (microsecs) per call 2 2 -0 -1.0%
Excl. CPU (microsec)1,902 1,883 -19 -1.0%
Incl. MemUse (bytes)69,920 69,920 0 0.0%
Incl. MemUse (bytes) per call 87 87 0 0.0%
Excl. MemUse (bytes)69,920 69,920 0 0.0%
Incl. PeakMemUse (bytes)19,024 18,984 -40 -0.2%
Incl. PeakMemUse (bytes) per call 24 24 -0 -0.2%
Excl. PeakMemUse (bytes)19,024 18,984 -40 -0.2%

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% -15 -0.7% -19 -0.9% 0 0.0% -40 -0.0%
Exclusive Metrics Diff for Current Function-15 -100.0% -19 -100.0% 0 N/A% -40 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -27 -180.0% -34 -178.9% 0 N/A% -40 -100.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 16 106.7% 19 100.0% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% -4 -26.7% -7 -36.8% 0 N/A% 0 0.0%
theme@20 N/A% -2 -13.3% 1 5.3% 0 N/A% 0 0.0%
contextual_custom_theme0 N/A% -1 -6.7% 0 0.0% 0 N/A% 0 0.0%
theme@10 N/A% 1 6.7% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 6.7% -1 -5.3% 0 N/A% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 1 6.7% 2 10.5% 0 N/A% 0 0.0%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% -2 -10.5% 0 N/A% 0 0.0%
edit_custom_theme0 N/A% 0 0.0% 1 5.3% 0 N/A% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 0 0.0% 4 21.1% 0 N/A% 0 0.0%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
request_path0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
editor_custom_theme0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 0 0.0% -2 -10.5% 0 N/A% 0 0.0%