Diff Report
Run #51a0f086f2681: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #51a0ef63cb19e: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::prepareItem

Drupal\Core\Cache\DatabaseBackend::prepareItemRun #51a0f086f2681Run #51a0ef63cb19eDiffDiff%
Number of Function Calls91 90 -1 -1.1%
Incl. Wall Time (microsec)30,922 31,279 357 1.2%
Incl. Wall Time (microsec) per call 340 348 8 2.3%
Excl. Wall Time (microsec)2,247 2,210 -37 -1.6%
Incl. CPU (microsecs)36,003 32,002 -4,001 -11.1%
Incl. CPU (microsecs) per call 396 356 -40 -10.1%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)749,572 749,232 -340 -0.0%
Incl. MemUse (bytes) per call 8,237 8,325 88 1.1%
Excl. MemUse (bytes)-177,564 -177,268 296 0.2%
Incl. PeakMemUse (bytes)1,141,448 1,138,216 -3,232 -0.3%
Incl. PeakMemUse (bytes) per call 12,543 12,647 103 0.8%
Excl. PeakMemUse (bytes)2,556 2,560 4 0.2%

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::prepareItem-1 -33.3% 357 9.9% -4,001 -50.0% -340 -1.9% -3,232 -16.1%
Exclusive Metrics Diff for Current Function-37 -10.4% -4,000 -100.0% 296 87.1% 4 0.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::getMultiple-1 -100.0% 357 100.0% -4,001 -100.0% -340 -100.0% -3,232 -100.0%
Child functions
unserialize-1 -50.0% 417 116.8% 8,001 200.0% -376 -110.6% -2,448 -75.7%
Drupal\Core\Cache\DatabaseBackend::checksumTags-1 -50.0% -21 -5.9% -8,002 -200.0% -260 -76.5% -788 -24.4%
explode0 0.0% -2 -0.6% 0 0.0% 0 0.0% 0 0.0%