Diff Report
Run #5197310fa6a63: XHProf Run (Namespace=drupal-perf-steveoliver)
vs.
Run #51972fb0786ef: XHProf Run (Namespace=drupal-perf-steveoliver)
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Regression/Improvement summary for substr

substrRun #5197310fa6a63Run #51972fb0786efDiffDiff%
Number of Function Calls739 727 -12 -1.6%
Incl. Wall Time (microsec)32,797 32,282 -515 -1.6%
Incl. Wall Time (microsec) per call 44 44 0 0.1%
Excl. Wall Time (microsec)32,797 32,282 -515 -1.6%
Incl. CPU (microsecs)12,000 0 -12,000 -100.0%
Incl. CPU (microsecs) per call 16 0 -16 -100.0%
Excl. CPU (microsec)12,000 0 -12,000 -100.0%
Incl. MemUse (bytes)78,952 77,024 -1,928 -2.4%
Incl. MemUse (bytes) per call 107 106 -1 -0.8%
Excl. MemUse (bytes)78,952 77,024 -1,928 -2.4%
Incl. PeakMemUse (bytes)13,848 12,744 -1,104 -8.0%
Incl. PeakMemUse (bytes) per call 19 18 -1 -6.5%
Excl. PeakMemUse (bytes)13,848 12,744 -1,104 -8.0%

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
substr-12 -100.0% -515 -0.2% -12,000 -50.0% -1,928 -0.1% -1,104 -0.1%
Exclusive Metrics Diff for Current Function-515 -100.0% -12,000 -100.0% -1,928 -100.0% -1,104 -100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile-8 -66.7% -345 -67.0% -12,000 -100.0% -544 -28.2% 0 0.0%
Twig_Environment::getCacheFilename-4 -33.3% -163 -31.7% 0 0.0% -1,384 -71.8% -1,104 -100.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -19 -3.7% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 8 1.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 3 0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% -3 -0.6% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 2 0.4% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 2 0.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 2 0.4% 0 0.0% 0 0.0% 0 0.0%
edit_custom_theme0 0.0% -1 -0.2% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% -1 -0.2% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 0.0% -1 -0.2% 0 0.0% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 1 0.2% 0 0.0% 0 0.0% 0 0.0%
theme@10 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%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%