Diff Report
Run #519b0e62696b0: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519b130ea93e9: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #519b0e62696b0Run #519b130ea93e9DiffDiff%
Number of Function Calls88 89 1 1.1%
Incl. Wall Time (microsec)38,457 38,676 219 0.6%
Incl. Wall Time (microsec) per call 437 435 -2 -0.6%
Excl. Wall Time (microsec)2,177 2,213 36 1.7%
Incl. CPU (microsecs)37,391 37,438 47 0.1%
Incl. CPU (microsecs) per call 425 421 -4 -1.0%
Excl. CPU (microsec)2,037 2,069 32 1.6%
Incl. MemUse (bytes)2,194,464 2,116,672 -77,792 -3.5%
Incl. MemUse (bytes) per call 24,937 23,783 -1,154 -4.6%
Excl. MemUse (bytes)-239,032 -227,408 11,624 4.9%
Incl. PeakMemUse (bytes)2,864,976 2,776,992 -87,984 -3.1%
Incl. PeakMemUse (bytes) per call 32,557 31,202 -1,354 -4.2%
Excl. PeakMemUse (bytes)6,264 6,232 -32 -0.5%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::prepareItem [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\DatabaseBackend::prepareItem1 33.3% 219 3.9% 47 2.0% -77,792 -38.6% -87,984 -50.1%
Exclusive Metrics Diff for Current Function36 16.4% 32 68.1% 11,624 14.9% -32 -0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple1 100.0% 219 100.0% 47 100.0% -77,792 -100.0% -87,984 -100.0%
Child functions
unserialize1 50.0% -166 -75.8% -223 -474.5% -89,936 -115.6% -88,680 -100.8%
Drupal\Core\Cache\DatabaseBackend::checksumTags1 50.0% 344 157.1% 220 468.1% 520 0.7% 760 0.9%
explode0 0.0% 5 2.3% 18 38.3% 0 0.0% -32 -0.0%