Diff Report
Run #517dc41118628: XHProf Run (Namespace=drupal-perf-fabianx)
vs.
Run #517dc23f63001: XHProf Run (Namespace=drupal-perf-fabianx)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #517dc41118628Run #517dc23f63001DiffDiff%
Number of Function Calls102 102 0 0.0%
Incl. Wall Time (microsec)16,614 16,539 -75 -0.5%
Incl. Wall Time (microsec) per call 163 162 -1 -0.5%
Excl. Wall Time (microsec)1,119 1,118 -1 -0.1%
Incl. CPU (microsecs)20,001 24,002 4,001 20.0%
Incl. CPU (microsecs) per call 196 235 39 20.0%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)2,699,472 2,660,384 -39,088 -1.4%
Incl. MemUse (bytes) per call 26,465 26,082 -383 -1.4%
Excl. MemUse (bytes)-324,400 -318,704 5,696 1.8%
Incl. PeakMemUse (bytes)3,371,280 3,368,880 -2,400 -0.1%
Incl. PeakMemUse (bytes) per call 33,052 33,028 -24 -0.1%
Excl. PeakMemUse (bytes)14,824 15,424 600 4.0%

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::prepareItem0 N/A% -75 -0.1% 4,001 7.7% -39,088 -2.7% -2,400 -0.2%
Exclusive Metrics Diff for Current Function-1 -1.3% -4,000 -100.0% 5,696 14.6% 600 25.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% -75 -100.0% 4,001 100.0% -39,088 -100.0% -2,400 -100.0%
Child functions
unserialize0 N/A% -49 -65.3% 0 0.0% -44,744 -114.5% -7,536 -314.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -25 -33.3% 8,001 200.0% -32 -0.1% 4,544 189.3%
explode0 N/A% 0 0.0% 0 0.0% -8 -0.0% -8 -0.3%