Diff Report
Run #519abf80bb905: XHProf Run (Namespace=drupal-perf-jenlampton)
vs.
Run #519ac1a144fa6: XHProf Run (Namespace=drupal-perf-jenlampton)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519abf80bb905Run #519ac1a144fa6DiffDiff%
Number of Function Calls98 97 -1 -1.0%
Incl. Wall Time (microsec)6,719 6,799 80 1.2%
Incl. Wall Time (microsec) per call 69 70 2 2.2%
Excl. Wall Time (microsec)2,415 2,427 12 0.5%
Incl. CPU (microsecs)6,208 6,264 56 0.9%
Incl. CPU (microsecs) per call 63 65 1 1.9%
Excl. CPU (microsec)2,085 2,124 39 1.9%
Incl. MemUse (bytes)71,712 71,192 -520 -0.7%
Incl. MemUse (bytes) per call 732 734 2 0.3%
Excl. MemUse (bytes)-105,584 -103,840 1,744 1.7%
Incl. PeakMemUse (bytes)80,904 80,064 -840 -1.0%
Incl. PeakMemUse (bytes) per call 826 825 -0 -0.0%
Excl. PeakMemUse (bytes)22,848 22,720 -128 -0.6%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::checksumTags [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::checksumTags-1 -25.0% 80 10.0% 56 3.7% -520 -0.1% -840 -0.1%
Exclusive Metrics Diff for Current Function12 15.0% 39 69.6% 1,744 335.4% -128 -15.2%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% 86 107.5% 37 66.1% -520 -100.0% -840 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% -6 -7.5% 19 33.9% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 60 75.0% 32 57.1% 0 0.0% -112 -13.3%
drupal_static-1 -33.3% 30 37.5% 49 87.5% 0 0.0% 0 0.0%
array_fill_keys0 0.0% -11 -13.8% -11 -19.6% 0 0.0% 0 0.0%
array_keys-1 -33.3% -9 -11.2% -34 -60.7% -2,096 -403.1% -656 -78.1%
array_diff-1 -33.3% -7 -8.8% -23 -41.1% -168 -32.3% 56 6.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 5 6.2% 4 7.1% 0 0.0% 0 0.0%