Diff Report
Run #534ad8dec7444: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #534ad9c94e95b: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Asset\CssCollectionRenderer::render

Drupal\Core\Asset\CssCollectionRenderer::renderRun #534ad8dec7444Run #534ad9c94e95bDiffDiff%
Number of Function Calls1 1 0 0.0%
Incl. Wall Time (microsec)3,813 4,908 1,095 28.7%
Incl. Wall Time (microsec) per call 3,813 4,908 1,095 28.7%
Excl. Wall Time (microsec)725 945 220 30.3%
Incl. CPU (microsecs)3,615 4,705 1,090 30.2%
Incl. CPU (microsecs) per call 3,615 4,705 1,090 30.2%
Excl. CPU (microsec)547 739 192 35.1%
Incl. MemUse (bytes)13,692 13,696 4 0.0%
Incl. MemUse (bytes) per call 13,692 13,696 4 0.0%
Excl. MemUse (bytes)-27,452 -27,448 4 0.0%
Incl. PeakMemUse (bytes)9,164 0 -9,164 -100.0%
Incl. PeakMemUse (bytes) per call 9,164 0 -9,164 -100.0%
Excl. PeakMemUse (bytes)3,588 0 -3,588 -100.0%

Parent/Child Regression/Improvement report for Drupal\Core\Asset\CssCollectionRenderer::render [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
Drupal\Core\Asset\CssCollectionRenderer::render0 N/A% 1,095 66.4% 1,090 218.4% 4 0.0% -9,164 -37.7%
Exclusive Metrics Diff for Current Function220 20.1% 192 17.6% 4 100.0% -3,588 -39.2%
Parent function
drupal_pre_render_styles0 N/A% 1,095 100.0% 1,090 100.0% 4 100.0% -9,164 -100.0%
Child functions
file_create_url0 N/A% 695 63.5% 703 64.5% 0 0.0% -988 -10.8%
Drupal\Component\Utility\String::checkPlain0 N/A% 73 6.7% 72 6.6% 0 0.0% -1,256 -13.7%
Drupal\Core\KeyValueStore\State::get0 N/A% 33 3.0% 33 3.0% 0 0.0% 0 0.0%
count0 N/A% 28 2.6% 26 2.4% 0 0.0% 0 0.0%
Drupal\Core\Asset\CssCollectionRenderer::Drupal\Core\Asset\{closure}0 N/A% 23 2.1% 26 2.4% 0 0.0% -28 -0.3%
array_slice0 N/A% 11 1.0% 17 1.6% 0 0.0% -224 -2.4%
array_keys0 N/A% 6 0.5% 6 0.6% 0 0.0% 0 0.0%
strpos0 N/A% 4 0.4% 8 0.7% 0 0.0% 0 0.0%
implode0 N/A% 2 0.2% 7 0.6% 0 0.0% -3,080 -33.6%