Diff Report
Run #52e4374042ace: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #52e436ce9c71d: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e4374042aceRun #52e436ce9c71dDiffDiff%
Number of Function Calls96 95 -1 -1.0%
Incl. Wall Time (microsec)4,226 4,203 -23 -0.5%
Incl. Wall Time (microsec) per call 44 44 0 0.5%
Excl. Wall Time (microsec)1,198 1,190 -8 -0.7%
Incl. CPU (microsecs)3,248 3,248 0 0.0%
Incl. CPU (microsecs) per call 34 34 0 1.1%
Excl. CPU (microsec)964 994 30 3.1%
Incl. MemUse (bytes)69,320 68,816 -504 -0.7%
Incl. MemUse (bytes) per call 722 724 2 0.3%
Excl. MemUse (bytes)-141,784 -140,416 1,368 1.0%
Incl. PeakMemUse (bytes)133,608 131,536 -2,072 -1.6%
Incl. PeakMemUse (bytes) per call 1,392 1,385 -7 -0.5%
Excl. PeakMemUse (bytes)34,088 33,464 -624 -1.8%

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::checksumTags-1 -25.0% -23 -2.0% 0 0.0% -504 -0.6% -2,072 -2.6%
Exclusive Metrics Diff for Current Function-8 -34.8% 30 N/A% 1,368 271.4% -624 -30.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -23 -100.0% 0 N/A% -504 -100.0% -2,072 -100.0%
Child functions
array_diff-1 -33.3% -44 -191.3% -32 N/A% -88 -17.5% -136 -6.6%
Drupal\Core\Database\Connection::query0 0.0% 37 160.9% 47 N/A% -8 -1.6% -208 -10.0%
array_keys-1 -33.3% -6 -26.1% -31 N/A% -1,776 -352.4% -1,056 -51.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -3 -13.0% -6 N/A% 0 0.0% 0 0.0%
array_fill_keys0 0.0% 2 8.7% 0 N/A% 0 0.0% 0 0.0%
drupal_static-1 -33.3% -1 -4.3% -8 N/A% 0 0.0% -48 -2.3%