Diff Report
Run #519a4774889dd: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #519a496084867: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for substr

substrRun #519a4774889ddRun #519a496084867DiffDiff%
Number of Function Calls956 956 0 0.0%
Incl. Wall Time (microsec)13,071 21,362 8,291 63.4%
Incl. Wall Time (microsec) per call 14 22 9 63.4%
Excl. Wall Time (microsec)13,071 21,362 8,291 63.4%
Incl. CPU (microsecs)8,001 4,000 -4,001 -50.0%
Incl. CPU (microsecs) per call 8 4 -4 -50.0%
Excl. CPU (microsec)8,001 4,000 -4,001 -50.0%
Incl. MemUse (bytes)115,168 115,248 80 0.1%
Incl. MemUse (bytes) per call 120 121 0 0.1%
Excl. MemUse (bytes)115,168 115,248 80 0.1%
Incl. PeakMemUse (bytes)28,168 27,168 -1,000 -3.6%
Incl. PeakMemUse (bytes) per call 29 28 -1 -3.6%
Excl. PeakMemUse (bytes)28,168 27,168 -1,000 -3.6%

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% 8,291 0.3% -4,001 -100.0% 80 0.6% -1,000 -6.9%
Exclusive Metrics Diff for Current Function8,291 100.0% -4,001 -100.0% 80 100.0% -1,000 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 N/A% 7,140 86.1% -4,001 -100.0% 48 60.0% -64 -6.4%
Drupal\Component\Uuid\Php::generate0 N/A% 260 3.1% 0 0.0% 0 0.0% 0 0.0%
theme@20 N/A% 157 1.9% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 N/A% 120 1.4% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 N/A% 115 1.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 N/A% 114 1.4% 0 0.0% 0 0.0% 0 0.0%
theme@30 N/A% 93 1.1% 0 0.0% 0 0.0% 0 0.0%
file_uri_scheme0 N/A% 85 1.0% 0 0.0% 0 0.0% -936 -93.6%
Drupal\views\Plugin\views\query\Sql::add_field0 N/A% 41 0.5% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 N/A% 28 0.3% 0 0.0% 0 0.0% 0 0.0%
theme@10 N/A% 18 0.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 N/A% 18 0.2% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 N/A% 17 0.2% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 N/A% 16 0.2% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 N/A% 14 0.2% 0 0.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 N/A% 10 0.1% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 N/A% 10 0.1% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 N/A% 9 0.1% 0 0.0% 24 30.0% 0 0.0%
request_path0 N/A% 9 0.1% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 N/A% 9 0.1% 0 0.0% 8 10.0% 0 0.0%
editor_custom_theme0 N/A% 8 0.1% 0 0.0% 0 0.0% 0 0.0%