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

substrRun #519a6f8ea14bdRun #519a6b3fa9c9cDiffDiff%
Number of Function Calls115 111 -4 -3.5%
Incl. Wall Time (microsec)68 63 -5 -7.4%
Incl. Wall Time (microsec) per call 1 1 -0 -4.0%
Excl. Wall Time (microsec)68 63 -5 -7.4%
Incl. CPU (microsecs)169 166 -3 -1.8%
Incl. CPU (microsecs) per call 1 1 0 1.8%
Excl. CPU (microsec)169 166 -3 -1.8%
Incl. MemUse (bytes)20,392 20,208 -184 -0.9%
Incl. MemUse (bytes) per call 177 182 5 2.7%
Excl. MemUse (bytes)20,392 20,208 -184 -0.9%
Incl. PeakMemUse (bytes)6,608 6,696 88 1.3%
Incl. PeakMemUse (bytes) per call 57 60 3 5.0%
Excl. PeakMemUse (bytes)6,608 6,696 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
substr-4 -100.0% -5 -0.4% -3 -0.3% -184 -0.6% 88 0.3%
Exclusive Metrics Diff for Current Function-5 -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::getCacheFilename-4 -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%