Diff Report
Run #54e0a6d45fe2a: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #54e0a7d2151b1: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid

Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValidRun #54e0a6d45fe2aRun #54e0a7d2151b1DiffDiff%
Number of Function Calls131 131 0 0.0%
Incl. Wall Time (microsec)4,698 4,534 -164 -3.5%
Incl. Wall Time (microsec) per call 36 35 -1 -3.5%
Excl. Wall Time (microsec)374 369 -5 -1.3%
Incl. CPU (microsecs)3,549 3,440 -109 -3.1%
Incl. CPU (microsecs) per call 27 26 -1 -3.1%
Excl. CPU (microsec)357 359 2 0.6%
Incl. MemUse (bytes)17,576 17,576 0 0.0%
Incl. MemUse (bytes) per call 134 134 0 0.0%
Excl. MemUse (bytes)1,160 1,160 0 0.0%
Incl. PeakMemUse (bytes)71,120 71,248 128 0.2%
Incl. PeakMemUse (bytes) per call 543 544 1 0.2%
Excl. PeakMemUse (bytes)1,040 1,040 0 0.0%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseCacheTagsChecksum::isValid [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\Cache\DatabaseCacheTagsChecksum::isValid0 N/A% -164 -22.2% -109 -29.9% 0 0.0% 128 1.2%
Exclusive Metrics Diff for Current Function-5 -3.0% 2 1.8% 0 N/A% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -164 -100.0% -109 -100.0% 0 N/A% 128 100.0%
Child function
Drupal\Core\Cache\DatabaseCacheTagsChecksum::calculateChecksum0 N/A% -159 -97.0% -111 -101.8% 0 N/A% 128 100.0%