Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b130ea93e9: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for substr

substrRun #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls802 827 25 3.1%
Incl. Wall Time (microsec)1,076 1,071 -5 -0.5%
Incl. Wall Time (microsec) per call 1 1 -0 -3.5%
Excl. Wall Time (microsec)1,076 1,071 -5 -0.5%
Incl. CPU (microsecs)1,883 1,961 78 4.1%
Incl. CPU (microsecs) per call 2 2 0 1.0%
Excl. CPU (microsec)1,883 1,961 78 4.1%
Incl. MemUse (bytes)69,920 74,872 4,952 7.1%
Incl. MemUse (bytes) per call 87 91 3 3.8%
Excl. MemUse (bytes)69,920 74,872 4,952 7.1%
Incl. PeakMemUse (bytes)18,984 19,504 520 2.7%
Incl. PeakMemUse (bytes) per call 24 24 -0 -0.4%
Excl. PeakMemUse (bytes)18,984 19,504 520 2.7%

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
substr25 100.0% -5 -0.1% 78 3.4% 4,952 2.5% 520 0.3%
Exclusive Metrics Diff for Current Function-5 -100.0% 78 100.0% 4,952 100.0% 520 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile8 32.0% -9 -180.0% 57 73.1% 376 7.6% 40 7.7%
dblog_watchdog6 24.0% 8 160.0% 15 19.2% 1,048 21.2% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -14 -280.0% -13 -16.7% 0 0.0% 0 0.0%
_filter_xss_split4 16.0% 6 120.0% 11 14.1% 896 18.1% 0 0.0%
_drupal_log_error4 16.0% 4 80.0% 8 10.3% 976 19.7% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -7 -9.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 6 7.7% 0 0.0% 0 0.0%
_filter_xss_attributes2 8.0% 2 40.0% 5 6.4% 832 16.8% 480 92.3%
theme@20 0.0% 0 0.0% -4 -5.1% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -2 -2.6% 0 0.0% 0 0.0%
_drupal_session_read1 4.0% 1 20.0% 2 2.6% 824 16.6% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -1.3% 0 0.0% 0 0.0%
theme@10 0.0% -1 -20.0% 1 1.3% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% 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%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% -1 -20.0% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -1 -20.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%