Diff Report
Run #519e636f9416a: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519e62c02d767: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for substr

substrRun #519e636f9416aRun #519e62c02d767DiffDiff%
Number of Function Calls340 336 -4 -1.2%
Incl. Wall Time (microsec)162 156 -6 -3.7%
Incl. Wall Time (microsec) per call 0 0 -0 -2.6%
Excl. Wall Time (microsec)162 156 -6 -3.7%
Incl. CPU (microsecs)480 485 5 1.0%
Incl. CPU (microsecs) per call 1 1 0 2.2%
Excl. CPU (microsec)480 485 5 1.0%
Incl. MemUse (bytes)35,304 35,128 -176 -0.5%
Incl. MemUse (bytes) per call 104 105 1 0.7%
Excl. MemUse (bytes)35,304 35,128 -176 -0.5%
Incl. PeakMemUse (bytes)12,080 12,080 0 0.0%
Incl. PeakMemUse (bytes) per call 36 36 0 1.2%
Excl. PeakMemUse (bytes)12,080 12,080 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
substr-4 -100.0% -6 -0.0% 5 0.0% -176 -0.3% 0 0.0%
Exclusive Metrics Diff for Current Function-6 -100.0% 5 100.0% -176 -100.0% 0 N/A%
Parent functions
Drupal\Component\Uuid\Php::generate0 0.0% 6 100.0% -1 -20.0% 0 0.0% 0 N/A%
theme@20 0.0% -4 -66.7% -2 -40.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% -4 -66.7% -5 -100.0% 0 0.0% 0 N/A%
file_uri_scheme0 0.0% 2 33.3% 16 320.0% 0 0.0% 0 N/A%
theme@40 0.0% -2 -33.3% -2 -40.0% -8 -4.5% 0 N/A%
Twig_Environment::getCacheFilename-4 -100.0% -2 -33.3% -8 -160.0% -168 -95.5% 0 N/A%
editor_custom_theme0 0.0% -1 -16.7% 1 20.0% 0 0.0% 0 N/A%
drupal_settings_initialize0 0.0% -1 -16.7% -1 -20.0% 0 0.0% 0 N/A%
image_style_path_token0 0.0% 0 0.0% 3 60.0% 0 0.0% 0 N/A%
theme@10 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
contextual_custom_theme0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 3 60.0% 0 0.0% 0 N/A%
edit_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
devel_silent0 0.0% 0 0.0% -3 -60.0% 0 0.0% 0 N/A%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 1 20.0% 0 0.0% 0 N/A%
request_path0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 N/A%
url0 0.0% 0 0.0% -1 -20.0% 0 0.0% 0 N/A%