Diff Report
Run #519d9cf28420e: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519d9d94433aa: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519d9cf28420eRun #519d9d94433aaDiffDiff%
Number of Function Calls1,055 1,059 4 0.4%
Incl. Wall Time (microsec)1,097 1,131 34 3.1%
Incl. Wall Time (microsec) per call 1 1 0 2.7%
Excl. Wall Time (microsec)1,097 1,131 34 3.1%
Incl. CPU (microsecs)2,132 2,145 13 0.6%
Incl. CPU (microsecs) per call 2 2 0 0.2%
Excl. CPU (microsec)2,132 2,145 13 0.6%
Incl. MemUse (bytes)90,608 90,768 160 0.2%
Incl. MemUse (bytes) per call 86 86 -0 -0.2%
Excl. MemUse (bytes)90,608 90,768 160 0.2%
Incl. PeakMemUse (bytes)29,400 29,448 48 0.2%
Incl. PeakMemUse (bytes) per call 28 28 -0 -0.2%
Excl. PeakMemUse (bytes)29,400 29,448 48 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
substr4 100.0% 34 1.4% 13 1.4% 160 0.2% 48 0.1%
Exclusive Metrics Diff for Current Function34 100.0% 13 100.0% 160 100.0% 48 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 20 58.8% -8 -61.5% -16 -10.0% 48 100.0%
text_summary0 0.0% 9 26.5% 5 38.5% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 4 11.8% 11 84.6% 168 105.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -3 -8.8% -2 -15.4% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse0 0.0% 2 5.9% -4 -30.8% 0 0.0% 0 0.0%
theme@20 0.0% 1 2.9% -2 -15.4% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 1 2.9% -4 -30.8% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocParser::parse@10 0.0% -1 -2.9% -1 -7.7% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 1 2.9% -1 -7.7% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% -1 -2.9% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 1 2.9% 0 0.0% 0 0.0% 0 0.0%
theme@40 0.0% 0 0.0% -3 -23.1% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% 16 123.1% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Annotations\DocLexer::getType0 0.0% 0 0.0% 1 7.7% -8 -5.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
url0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% 2 15.4% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 7.7% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 7.7% 8 5.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -2 -15.4% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Doctrine\Common\Reflection\StaticReflectionParser::__construct0 0.0% 0 0.0% -1 -7.7% 8 5.0% 0 0.0%