Diff Report
Run #5198f0bb880ef: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5198f1db1bc51: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #5198f0bb880efRun #5198f1db1bc51DiffDiff%
Number of Function Calls163 167 4 2.5%
Incl. Wall Time (microsec)44 49 5 11.4%
Incl. Wall Time (microsec) per call 0 0 0 8.7%
Excl. Wall Time (microsec)44 49 5 11.4%
Incl. CPU (microsecs)210 214 4 1.9%
Incl. CPU (microsecs) per call 1 1 -0 -0.5%
Excl. CPU (microsec)210 214 4 1.9%
Incl. MemUse (bytes)28,536 28,704 168 0.6%
Incl. MemUse (bytes) per call 175 172 -3 -1.8%
Excl. MemUse (bytes)28,536 28,704 168 0.6%
Incl. PeakMemUse (bytes)10,120 9,808 -312 -3.1%
Incl. PeakMemUse (bytes) per call 62 59 -3 -5.4%
Excl. PeakMemUse (bytes)10,120 9,808 -312 -3.1%

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% 5 0.3% 4 0.2% 168 0.6% -312 -0.8%
Exclusive Metrics Diff for Current Function5 100.0% 4 100.0% 168 100.0% -312 -100.0%
Parent functions
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 2 40.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 2 40.0% 6 150.0% 168 100.0% 88 28.2%
Drupal\Component\Uuid\Php::generate0 0.0% 1 20.0% 1 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 20.0% -1 -25.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% -1 -20.0% -2 -50.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -2 -50.0% 0 0.0% 0 0.0%
theme@30 0.0% 0 0.0% -2 -50.0% 0 0.0% 0 0.0%
dblog_watchdog0 0.0% 0 0.0% 2 50.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -1 -25.0% 0 0.0% 0 0.0%
theme@40 0.0% 0 0.0% -5 -125.0% 0 0.0% -400 -128.2%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 2 50.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 0.0% 3 75.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 2 50.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 25.0% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% -2 -50.0% 0 0.0% 0 0.0%