Diff Report
Run #51901ff69a8a6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #5190217a23e77: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #51901ff69a8a6Run #5190217a23e77DiffDiff%
Number of Function Calls145 149 4 2.8%
Incl. Wall Time (microsec)77 77 0 0.0%
Incl. Wall Time (microsec) per call 1 1 -0 -2.7%
Excl. Wall Time (microsec)77 77 0 0.0%
Incl. CPU (microsecs)237 226 -11 -4.6%
Incl. CPU (microsecs) per call 2 2 -0 -7.2%
Excl. CPU (microsec)237 226 -11 -4.6%
Incl. MemUse (bytes)35,264 35,432 168 0.5%
Incl. MemUse (bytes) per call 243 238 -5 -2.2%
Excl. MemUse (bytes)35,264 35,432 168 0.5%
Incl. PeakMemUse (bytes)17,600 17,600 0 0.0%
Incl. PeakMemUse (bytes) per call 121 118 -3 -2.7%
Excl. PeakMemUse (bytes)17,600 17,600 0 0.0%

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% 0 0.0% -11 -183.3% 168 0.7% 0 0.0%
Exclusive Metrics Diff for Current Function0 N/A% -11 -100.0% 168 100.0% 0 N/A%
Parent functions
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 3 N/A% 3 27.3% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 2 N/A% 0 0.0% 0 0.0% 0 N/A%
theme@40 0.0% -2 N/A% -13 -118.2% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -2 N/A% 1 9.1% 0 0.0% 0 N/A%
theme@20 0.0% 1 N/A% -2 -18.2% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% -1 N/A% 0 0.0% 0 0.0% 0 N/A%
url0 0.0% -1 N/A% -4 -36.4% 0 0.0% 0 N/A%
Drupal\field_sql_storage\Entity\Tables::addField0 0.0% 0 N/A% -1 -9.1% 0 0.0% 0 N/A%
Symfony\Component\Routing\RouteCompiler::compilePattern0 0.0% 0 N/A% -1 -9.1% 0 0.0% 0 N/A%
theme@10 0.0% 0 N/A% 2 18.2% 0 0.0% 0 N/A%
Drupal\Component\Uuid\Php::generate0 0.0% 0 N/A% 1 9.1% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% 0 N/A% 1 9.1% 0 0.0% 0 N/A%
theme@30 0.0% 0 N/A% -2 -18.2% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 N/A% -2 -18.2% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 N/A% 5 45.5% 0 0.0% 0 N/A%
url_is_external0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 N/A% -1 -9.1% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 N/A% -1 -9.1% 0 0.0% 0 N/A%
Twig_Environment::getCacheFilename4 100.0% 0 N/A% 3 27.3% 168 100.0% 0 N/A%
text_summary0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 N/A%
editor_custom_theme0 0.0% 0 N/A% 0 0.0% 0 0.0% 0 N/A%