Diff Report
Run #5199e3a2bf6f6: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #5199e5a1880e2: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for substr

substrRun #5199e3a2bf6f6Run #5199e5a1880e2DiffDiff%
Number of Function Calls1,312 1,320 8 0.6%
Incl. Wall Time (microsec)1,850 1,994 144 7.8%
Incl. Wall Time (microsec) per call 1 2 0 7.1%
Excl. Wall Time (microsec)1,850 1,994 144 7.8%
Incl. CPU (microsecs)8,000 4,001 -3,999 -50.0%
Incl. CPU (microsecs) per call 6 3 -3 -50.3%
Excl. CPU (microsec)8,000 4,001 -3,999 -50.0%
Incl. MemUse (bytes)186,584 186,808 224 0.1%
Incl. MemUse (bytes) per call 142 142 -1 -0.5%
Excl. MemUse (bytes)186,584 186,808 224 0.1%
Incl. PeakMemUse (bytes)17,224 21,296 4,072 23.6%
Incl. PeakMemUse (bytes) per call 13 16 3 22.9%
Excl. PeakMemUse (bytes)17,224 21,296 4,072 23.6%

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
substr8 100.0% 144 0.5% -3,999 -14.3% 224 0.4% 4,072 6.9%
Exclusive Metrics Diff for Current Function144 100.0% -3,999 -100.0% 224 100.0% 4,072 100.0%
Parent functions
Symfony\Component\ClassLoader\ClassLoader::findFile0 0.0% 137 95.1% -4,000 -100.0% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 10 6.9% 4,001 100.1% 0 0.0% 4,072 100.0%
Twig_Environment::getCacheFilename8 100.0% 8 5.6% 0 0.0% 232 103.6% 0 0.0%
theme@50 0.0% -2 -1.4% -4,000 -100.0% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% -2 -1.4% 0 0.0% 0 0.0% 0 0.0%
theme@60 0.0% -2 -1.4% 0 0.0% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% -2 -1.4% 0 0.0% -8 -3.6% 0 0.0%
image_style_path_token0 0.0% -2 -1.4% 0 0.0% 0 0.0% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% -1 -0.7% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% 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%
theme@40 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% 0 0.0% 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% 0 0.0% 0 0.0% 0 0.0%
drupal_settings_initialize0 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%
editor_custom_theme0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
text_summary0 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% 0 0.0% 0 0.0% 0 0.0%
Drupal\system\Plugin\Block\SystemMenuBlock::blockBuild0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%