Diff Report
Run #51a188154f4e0: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a18906335b0: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a188154f4e0Run #51a18906335b0DiffDiff%
Number of Function Calls63 73 10 15.9%
Incl. Wall Time (microsec)22,009 23,925 1,916 8.7%
Incl. Wall Time (microsec) per call 349 328 -22 -6.2%
Excl. Wall Time (microsec)1,504 1,931 427 28.4%
Incl. CPU (microsecs)20,000 24,001 4,001 20.0%
Incl. CPU (microsecs) per call 317 329 11 3.6%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)689,240 725,920 36,680 5.3%
Incl. MemUse (bytes) per call 10,940 9,944 -996 -9.1%
Excl. MemUse (bytes)-167,836 -182,424 -14,588 -8.7%
Incl. PeakMemUse (bytes)949,260 1,040,136 90,876 9.6%
Incl. PeakMemUse (bytes) per call 15,068 14,248 -819 -5.4%
Excl. PeakMemUse (bytes)2,148 2,296 148 6.9%

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::prepareItem10 29.4% 1,916 1.3% 4,001 5.3% 36,680 6.0% 90,876 14.0%
Exclusive Metrics Diff for Current Function427 22.3% 4,000 100.0% -14,588 -39.8% 148 0.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple10 100.0% 1,916 100.0% 4,001 100.0% 36,680 100.0% 90,876 100.0%
Child functions
Drupal\Core\Cache\DatabaseBackend::checksumTags10 41.7% 1,140 59.5% -4,000 -100.0% 3,556 9.7% 5,872 6.5%
unserialize10 41.7% 342 17.8% 4,001 100.0% 46,984 128.1% 84,880 93.4%
explode4 16.7% 7 0.4% 0 0.0% 728 2.0% -24 -0.0%