Diff Report
Run #52f5cb0964fa0: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52f5cb9d4924f: 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 #52f5cb9d4924fDiffDiff%
Number of Function Calls99 99 0 0.0%
Incl. Wall Time (microsec)4,031 4,068 37 0.9%
Incl. Wall Time (microsec) per call 41 41 0 0.9%
Excl. Wall Time (microsec)1,181 1,190 9 0.8%
Incl. CPU (microsecs)3,139 3,178 39 1.2%
Incl. CPU (microsecs) per call 32 32 0 1.2%
Excl. CPU (microsec)924 943 19 2.1%
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 -164,296 0 0.0%
Incl. PeakMemUse (bytes)132,056 132,056 0 0.0%
Incl. PeakMemUse (bytes) per call 1,334 1,334 0 0.0%
Excl. PeakMemUse (bytes)35,704 35,704 0 0.0%

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% 37 7.0% 39 9.1% 0 N/A% 0 N/A%
Exclusive Metrics Diff for Current Function9 24.3% 19 48.7% 0 N/A% 0 N/A%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 37 100.0% 39 100.0% 0 N/A% 0 N/A%
Child functions
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 18 48.6% 21 53.8% 0 N/A% 0 N/A%
Drupal\Core\Database\Connection::query0 N/A% 11 29.7% 3 7.7% 0 N/A% 0 N/A%
array_diff0 N/A% 3 8.1% -5 -12.8% 0 N/A% 0 N/A%
array_keys0 N/A% -3 -8.1% 1 2.6% 0 N/A% 0 N/A%
drupal_static0 N/A% -1 -2.7% -3 -7.7% 0 N/A% 0 N/A%
array_fill_keys0 N/A% 0 0.0% 3 7.7% 0 N/A% 0 N/A%