Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51904f8640386Run #519050cbdc201DiffDiff%
Number of Function Calls73 76 3 4.1%
Incl. Wall Time (microsec)30 32 2 6.7%
Incl. Wall Time (microsec) per call 0 0 0 2.5%
Excl. Wall Time (microsec)30 32 2 6.7%
Incl. CPU (microsecs)108 110 2 1.9%
Incl. CPU (microsecs) per call 1 1 -0 -2.2%
Excl. CPU (microsec)108 110 2 1.9%
Incl. MemUse (bytes)27,888 28,016 128 0.5%
Incl. MemUse (bytes) per call 382 369 -13 -3.5%
Excl. MemUse (bytes)27,888 28,016 128 0.5%
Incl. PeakMemUse (bytes)14,008 14,208 200 1.4%
Incl. PeakMemUse (bytes) per call 192 187 -5 -2.6%
Excl. PeakMemUse (bytes)14,008 14,208 200 1.4%

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
substr3 100.0% 2 0.2% 2 0.1% 128 0.1% 200 0.2%
Exclusive Metrics Diff for Current Function2 100.0% 2 100.0% 128 100.0% 200 100.0%
Parent functions
editor_custom_theme0 0.0% 1 50.0% 1 50.0% 0 0.0% 0 0.0%
theme@30 0.0% 1 50.0% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 1 50.0% -2 -100.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 50.0% 2 100.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -50.0% -2 -100.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -1 -50.0% 0 0.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 2 100.0% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% 3 150.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% -8 -6.2% 0 0.0%
theme@1-1 -33.3% 0 0.0% 0 0.0% -32 -25.0% 200 100.0%
Twig_Environment::getCacheFilename4 133.3% 0 0.0% 6 300.0% 168 131.2% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% -3 -150.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -250.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -1 -50.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 1 50.0% 0 0.0% 0 0.0%