Diff Report
Run #5198f7eab7067: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #5198fa286ed27: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for substr

substrRun #5198f7eab7067Run #5198fa286ed27DiffDiff%
Number of Function Calls1,075 1,075 0 0.0%
Incl. Wall Time (microsec)4,669 4,555 -114 -2.4%
Incl. Wall Time (microsec) per call 4 4 -0 -2.4%
Excl. Wall Time (microsec)4,669 4,555 -114 -2.4%
Incl. CPU (microsecs)8,000 0 -8,000 -100.0%
Incl. CPU (microsecs) per call 7 0 -7 -100.0%
Excl. CPU (microsec)8,000 0 -8,000 -100.0%
Incl. MemUse (bytes)103,232 103,232 0 0.0%
Incl. MemUse (bytes) per call 96 96 0 0.0%
Excl. MemUse (bytes)103,232 103,232 0 0.0%
Incl. PeakMemUse (bytes)14,840 13,976 -864 -5.8%
Incl. PeakMemUse (bytes) per call 14 13 -1 -5.8%
Excl. PeakMemUse (bytes)14,840 13,976 -864 -5.8%

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% -114 -0.3% -8,000 -25.0% 0 0.0% -864 -6.5%
Exclusive Metrics Diff for Current Function-114 -100.0% -8,000 -100.0% 0 N/A% -864 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% -82 -71.9% -8,000 -100.0% 0 N/A% 72 8.3%
file_uri_scheme0 N/A% -29 -25.4% 0 0.0% 0 N/A% -936 -108.3%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% -3 -2.6% 0 0.0% 0 N/A% 0 0.0%
request_path0 N/A% -1 -0.9% 0 0.0% 0 N/A% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% -1 -0.9% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 1 0.9% 0 0.0% 0 N/A% 0 0.0%
Drupal\Component\Uuid\Php::generate0 N/A% 1 0.9% 0 0.0% 0 N/A% 0 0.0%
theme@40 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
image_style_path_token0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
theme@20 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
theme@10 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 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%
drupal_settings_initialize0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
edit_custom_theme0 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%
url0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%
drupal_strip_dangerous_protocols0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%