Diff Report
Run #523e4c6056bfd: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #523e49a66dc20: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #523e4c6056bfdRun #523e49a66dc20DiffDiff%
Number of Function Calls60 60 0 0.0%
Incl. Wall Time (microsec)4,728 5,390 662 14.0%
Incl. Wall Time (microsec) per call 79 90 11 14.0%
Excl. Wall Time (microsec)1,093 1,094 1 0.1%
Incl. CPU (microsecs)3,310 3,427 117 3.5%
Incl. CPU (microsecs) per call 55 57 2 3.5%
Excl. CPU (microsec)847 892 45 5.3%
Incl. MemUse (bytes)50,960 50,928 -32 -0.1%
Incl. MemUse (bytes) per call 849 849 -1 -0.1%
Excl. MemUse (bytes)-89,128 -84,880 4,248 4.8%
Incl. PeakMemUse (bytes)34,352 63,272 28,920 84.2%
Incl. PeakMemUse (bytes) per call 573 1,055 482 84.2%
Excl. PeakMemUse (bytes)6,088 9,920 3,832 62.9%

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::checksumTags0 N/A% 662 0.1% 117 0.0% -32 -0.0% 28,920 0.1%
Exclusive Metrics Diff for Current Function1 0.2% 45 38.5% 4,248 13275.0% 3,832 13.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 662 100.0% 117 100.0% -32 -100.0% 28,920 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 660 99.7% 107 91.5% -56 -175.0% 18,776 64.9%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 44 6.6% 41 35.0% -16 -50.0% 0 0.0%
array_keys0 N/A% -23 -3.5% -49 -41.9% -4,176 -13050.0% 4,032 13.9%
array_diff0 N/A% -17 -2.6% -17 -14.5% -24 -75.0% 1,896 6.6%
drupal_static0 N/A% -2 -0.3% -11 -9.4% 0 0.0% 384 1.3%
array_fill_keys0 N/A% -1 -0.2% 1 0.9% -8 -25.0% 0 0.0%