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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f5cb0964fa0Run #52f5cbc19a0d8DiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)4,031 4,089 58 1.4%
Incl. Wall Time (microsec) per call 41 41 1 1.4%
Excl. Wall Time (microsec)1,181 1,185 4 0.3%
Incl. CPU (microsecs)3,139 3,220 81 2.6%
Incl. CPU (microsecs) per call 32 33 1 2.6%
Excl. CPU (microsec)924 949 25 2.7%
Incl. MemUse (bytes)75,824 75,824 0 0.0%
Incl. MemUse (bytes) per call 766 766 0 0.0%
Excl. MemUse (bytes)-164,296 -164,032 264 0.2%
Incl. PeakMemUse (bytes)132,056 128,472 -3,584 -2.7%
Incl. PeakMemUse (bytes) per call 1,334 1,298 -36 -2.7%
Excl. PeakMemUse (bytes)35,704 33,576 -2,128 -6.0%

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 Function4 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%