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

substrRun #5199e5a1880e2Run #5199e3a2bf6f6DiffDiff%
Number of Function Calls1,320 1,312 -8 -0.6%
Incl. Wall Time (microsec)1,994 1,850 -144 -7.2%
Incl. Wall Time (microsec) per call 2 1 -0 -6.7%
Excl. Wall Time (microsec)1,994 1,850 -144 -7.2%
Incl. CPU (microsecs)4,001 8,000 3,999 100.0%
Incl. CPU (microsecs) per call 3 6 3 101.2%
Excl. CPU (microsec)4,001 8,000 3,999 100.0%
Incl. MemUse (bytes)186,808 186,584 -224 -0.1%
Incl. MemUse (bytes) per call 142 142 1 0.5%
Excl. MemUse (bytes)186,808 186,584 -224 -0.1%
Incl. PeakMemUse (bytes)21,296 17,224 -4,072 -19.1%
Incl. PeakMemUse (bytes) per call 16 13 -3 -18.6%
Excl. PeakMemUse (bytes)21,296 17,224 -4,072 -19.1%

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
substr-8 -100.0% -144 -0.5% 3,999 14.3% -224 -0.4% -4,072 -6.9%
Exclusive Metrics Diff for Current Function-144 -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::getCacheFilename-8 -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%