Diff Report
Run #53d4352fc0c61: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #53d436500e2ac: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #53d4352fc0c61Run #53d436500e2acDiffDiff%
Number of Function Calls89 89 0 0.0%
Incl. Wall Time (microsec)31,842 31,956 114 0.4%
Incl. Wall Time (microsec) per call 358 359 1 0.4%
Excl. Wall Time (microsec)1,675 1,638 -37 -2.2%
Incl. CPU (microsecs)31,297 31,401 104 0.3%
Incl. CPU (microsecs) per call 352 353 1 0.3%
Excl. CPU (microsec)1,491 1,430 -61 -4.1%
Incl. MemUse (bytes)5,735,560 5,736,112 552 0.0%
Incl. MemUse (bytes) per call 64,444 64,451 6 0.0%
Excl. MemUse (bytes)-533,560 -533,680 -120 -0.0%
Incl. PeakMemUse (bytes)5,988,936 5,990,544 1,608 0.0%
Incl. PeakMemUse (bytes) per call 67,291 67,309 18 0.0%
Excl. PeakMemUse (bytes)3,168 3,168 0 0.0%

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% 114 1.7% 104 1.5% 552 1.4% 1,608 4.1%
Exclusive Metrics Diff for Current Function-37 -32.5% -61 -58.7% -120 -21.7% 0 0.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple0 N/A% 114 100.0% 104 100.0% 552 100.0% 1,608 100.0%
Child functions
unserialize0 N/A% 300 263.2% 300 288.5% 696 126.1% 1,624 101.0%
Drupal\Core\Cache\DatabaseBackend::checksumTags0 N/A% -142 -124.6% -140 -134.6% 0 0.0% -16 -1.0%
explode0 N/A% -7 -6.1% 5 4.8% -24 -4.3% 0 0.0%
spl_autoload_call0 N/A% 0 0.0% 0 0.0% 0 0.0% 0 0.0%