Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6f8ea14bd: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for substr

substrRun #519a6b3fa9c9cRun #519a6f8ea14bdDiffDiff%
Number of Function Calls111 115 4 3.6%
Incl. Wall Time (microsec)63 68 5 7.9%
Incl. Wall Time (microsec) per call 1 1 0 4.2%
Excl. Wall Time (microsec)63 68 5 7.9%
Incl. CPU (microsecs)166 169 3 1.8%
Incl. CPU (microsecs) per call 1 1 -0 -1.7%
Excl. CPU (microsec)166 169 3 1.8%
Incl. MemUse (bytes)20,208 20,392 184 0.9%
Incl. MemUse (bytes) per call 182 177 -5 -2.6%
Excl. MemUse (bytes)20,208 20,392 184 0.9%
Incl. PeakMemUse (bytes)6,696 6,608 -88 -1.3%
Incl. PeakMemUse (bytes) per call 60 57 -3 -4.7%
Excl. PeakMemUse (bytes)6,696 6,608 -88 -1.3%

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% 5 0.4% 3 0.3% 184 0.6% -88 -0.3%
Exclusive Metrics Diff for Current Function5 100.0% 3 100.0% 184 100.0% -88 -100.0%
Parent functions
drupal_settings_initialize0 0.0% 2 40.0% 2 66.7% 0 0.0% 0 0.0%
theme@10 0.0% 1 20.0% -1 -33.3% 0 0.0% 0 0.0%
Drupal\Component\Uuid\Php::generate0 0.0% 1 20.0% 0 0.0% 24 13.0% 0 0.0%
Twig_Environment::getCacheFilename4 100.0% 1 20.0% 5 166.7% 168 91.3% 0 0.0%
drupal_strip_dangerous_protocols0 0.0% 0 0.0% -1 -33.3% 0 0.0% -88 -100.0%
Drupal\views\Plugin\views\query\Sql::add_field0 0.0% 0 0.0% -1 -33.3% 0 0.0% 0 0.0%
file_uri_scheme0 0.0% 0 0.0% -6 -200.0% 0 0.0% 0 0.0%
image_style_path_token0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
theme@20 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%
editor_custom_theme0 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\ServerBag::getHeaders0 0.0% 0 0.0% -2 -66.7% 0 0.0% 0 0.0%
Drupal\Component\Utility\Crypt::randomBytes0 0.0% 0 0.0% 0 0.0% -8 -4.3% 0 0.0%
Symfony\Component\HttpFoundation\Request::preparePathInfo0 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%
request_path0 0.0% 0 0.0% 1 33.3% 0 0.0% 0 0.0%
Symfony\Component\HttpFoundation\AcceptHeaderItem::fromString0 0.0% 0 0.0% 2 66.7% 0 0.0% 0 0.0%