Diff Report
Run #517c1bb406b02: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c1c27a12c9: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for substr

substrRun #517c1bb406b02Run #517c1c27a12c9DiffDiff%
Number of Function Calls1,407 648 -759 -53.9%
Incl. Wall Time (microsec)509 259 -250 -49.1%
Incl. Wall Time (microsec) per call 0 0 0 10.5%
Excl. Wall Time (microsec)509 259 -250 -49.1%
Incl. CPU (microsecs)1,735 822 -913 -52.6%
Incl. CPU (microsecs) per call 1 1 0 2.9%
Excl. CPU (microsec)1,735 822 -913 -52.6%
Incl. MemUse (bytes)91,968 50,880 -41,088 -44.7%
Incl. MemUse (bytes) per call 65 79 13 20.1%
Excl. MemUse (bytes)91,968 50,880 -41,088 -44.7%
Incl. PeakMemUse (bytes)21,192 20,240 -952 -4.5%
Incl. PeakMemUse (bytes) per call 15 31 16 107.4%
Excl. PeakMemUse (bytes)21,192 20,240 -952 -4.5%

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
substr-759 -100.0% -250 -0.1% -913 -0.8% -41,088 -9.2% -952 -0.2%
Exclusive Metrics Diff for Current Function-250 -100.0% -913 -100.0% -41,088 -100.0% -952 -100.0%
Parent functions
dblog_watchdog-450 -59.3% -240 -96.0% -553 -60.6% -22,360 -54.4% -416 -43.7%
_drupal_log_error-300 -39.5% -54 -21.6% -341 -37.3% -17,568 -42.8% 0 0.0%
Symfony\Component\ClassLoader\ClassLoader::findFile-8 -1.1% 43 17.2% -5 -0.5% -336 -0.8% -56 -5.9%
theme@10 0.0% 2 0.8% 1 0.1% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% -1 -0.4% 1 0.1% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% -1 -0.4% -2 -0.2% 0 0.0% 0 0.0%
_drupal_session_read-1 -0.1% -1 -0.4% -1 -0.1% -824 -2.0% -480 -50.4%
drupal_random_bytes0 0.0% 1 0.4% -2 -0.2% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 0.0% 1 0.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\block\block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
devel_silent0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -3 -0.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -4 -0.4% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% -1 -0.1% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -2 -0.2% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 0.1% 0 0.0% 0 0.0%