Diff Report
Run #52f5cbc19a0d8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5cbc19a0d8Run #52f5cb0964fa0DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)4,089 4,031 -58 -1.4%
Incl. Wall Time (microsec) per call 41 41 -1 -1.4%
Excl. Wall Time (microsec)1,185 1,181 -4 -0.3%
Incl. CPU (microsecs)3,220 3,139 -81 -2.5%
Incl. CPU (microsecs) per call 33 32 -1 -2.5%
Excl. CPU (microsec)949 924 -25 -2.6%
Incl. MemUse (bytes)75,824 75,824 0 0.0%
Incl. MemUse (bytes) per call 766 766 0 0.0%
Excl. MemUse (bytes)-164,032 -164,296 -264 -0.2%
Incl. PeakMemUse (bytes)128,472 132,056 3,584 2.8%
Incl. PeakMemUse (bytes) per call 1,298 1,334 36 2.8%
Excl. PeakMemUse (bytes)33,576 35,704 2,128 6.3%

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% -58 -62.4% -81 -41.5% 0 0.0% 3,584 12.0%
Exclusive Metrics Diff for Current Function-4 -6.9% -25 -30.9% -264 N/A% 2,128 59.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -58 -100.0% -81 -100.0% 0 N/A% 3,584 100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -47 -81.0% -65 -80.2% 0 N/A% 48 1.3%
array_keys0 N/A% -8 -13.8% 0 0.0% 264 N/A% 1,224 34.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 4 6.9% -3 -3.7% 0 N/A% 0 0.0%
array_diff0 N/A% -4 -6.9% 5 6.2% 0 N/A% 136 3.8%
drupal_static0 N/A% 3 5.2% 5 6.2% 0 N/A% 48 1.3%
array_fill_keys0 N/A% -2 -3.4% 2 2.5% 0 N/A% 0 0.0%