Diff Report
Run #519b1557bbc04: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b1ad213669: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for substr

substrRun #519b1557bbc04Run #519b1ad213669DiffDiff%
Number of Function Calls828 853 25 3.0%
Incl. Wall Time (microsec)1,111 1,165 54 4.9%
Incl. Wall Time (microsec) per call 1 1 0 1.8%
Excl. Wall Time (microsec)1,111 1,165 54 4.9%
Incl. CPU (microsecs)2,012 2,068 56 2.8%
Incl. CPU (microsecs) per call 2 2 -0 -0.2%
Excl. CPU (microsec)2,012 2,068 56 2.8%
Incl. MemUse (bytes)67,904 72,832 4,928 7.3%
Incl. MemUse (bytes) per call 82 85 3 4.1%
Excl. MemUse (bytes)67,904 72,832 4,928 7.3%
Incl. PeakMemUse (bytes)15,248 15,720 472 3.1%
Incl. PeakMemUse (bytes) per call 18 18 0 0.1%
Excl. PeakMemUse (bytes)15,248 15,720 472 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
substr25 100.0% 54 0.4% 56 0.4% 4,928 1.9% 472 0.2%
Exclusive Metrics Diff for Current Function54 100.0% 56 100.0% 4,928 100.0% 472 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile8 32.0% 31 57.4% 52 92.9% 352 7.1% -8 -1.7%
dblog_watchdog6 24.0% 8 14.8% 14 25.0% 1,048 21.3% 0 0.0%
_filter_xss_split4 16.0% 7 13.0% 13 23.2% 896 18.2% 0 0.0%
_drupal_log_error4 16.0% 4 7.4% 9 16.1% 976 19.8% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 2 3.7% 0 0.0% 0 0.0% 0 0.0%
_filter_xss_attributes2 8.0% 2 3.7% 6 10.7% 832 16.9% 480 101.7%
theme@20 0.0% -1 -1.9% 1 1.8% 0 0.0% 0 0.0%
_drupal_session_read1 4.0% 1 1.9% 4 7.1% 824 16.7% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 1 1.8% 0 0.0% 0 0.0%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@10 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
Twig_Environment::getCacheFilename0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% -32 -57.1% 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%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% 4 7.1% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 0 0.0% -5 -8.9% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%
contextual_custom_theme0 0.0% 0 0.0% -2 -3.6% 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%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% -2 -3.6% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -1 -1.8% 0 0.0% 0 0.0%