Diff Report
Run #52f30b8747627: XHProf Run (Namespace=drupal-perf-joelpittet)
vs.
Run #52f30aadf2c65: XHProf Run (Namespace=drupal-perf-joelpittet)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52f30b8747627Run #52f30aadf2c65DiffDiff%
Number of Function Calls205 205 0 0.0%
Incl. Wall Time (microsec)6,673 6,621 -52 -0.8%
Incl. Wall Time (microsec) per call 33 32 -0 -0.8%
Excl. Wall Time (microsec)2,780 2,866 86 3.1%
Incl. CPU (microsecs)6,457 6,454 -3 -0.0%
Incl. CPU (microsecs) per call 31 31 -0 -0.0%
Excl. CPU (microsec)2,272 2,322 50 2.2%
Incl. MemUse (bytes)123,216 123,216 0 0.0%
Incl. MemUse (bytes) per call 601 601 0 0.0%
Excl. MemUse (bytes)-228,904 -228,904 0 0.0%
Incl. PeakMemUse (bytes)100,304 99,592 -712 -0.7%
Incl. PeakMemUse (bytes) per call 489 486 -3 -0.7%
Excl. PeakMemUse (bytes)23,648 23,248 -400 -1.7%

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% -52 -1.2% -3 -0.1% 0 0.0% -712 -1.0%
Exclusive Metrics Diff for Current Function86 165.4% 50 1666.7% 0 N/A% -400 -56.2%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -52 -100.0% -3 -100.0% 0 N/A% -712 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -64 -123.1% -14 -466.7% 0 N/A% -72 -10.1%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -54 -103.8% -56 -1866.7% 0 N/A% -16 -2.2%
array_keys0 N/A% -29 -55.8% -23 -766.7% 0 N/A% -40 -5.6%
array_diff0 N/A% 8 15.4% 3 100.0% 0 N/A% -184 -25.8%
drupal_static0 N/A% 4 7.7% 44 1466.7% 0 N/A% 0 0.0%
array_fill_keys0 N/A% -3 -5.8% -7 -233.3% 0 N/A% 0 0.0%