Diff Report
Run #53923d861ff11: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #53923e49d2b58: XHProf Run (Namespace=drupal-perf-drupalcon)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #53923d861ff11Run #53923e49d2b58DiffDiff%
Number of Function Calls87 87 0 0.0%
Incl. Wall Time (microsec)13,511 14,074 563 4.2%
Incl. Wall Time (microsec) per call 155 162 6 4.2%
Excl. Wall Time (microsec)2,364 2,320 -44 -1.9%
Incl. CPU (microsecs)8,272 8,664 392 4.7%
Incl. CPU (microsecs) per call 95 100 5 4.7%
Excl. CPU (microsec)2,018 2,003 -15 -0.7%
Incl. MemUse (bytes)40,344 40,352 8 0.0%
Incl. MemUse (bytes) per call 464 464 0 0.0%
Excl. MemUse (bytes)-128,276 -128,248 28 0.0%
Incl. PeakMemUse (bytes)87,708 77,252 -10,456 -11.9%
Incl. PeakMemUse (bytes) per call 1,008 888 -120 -11.9%
Excl. PeakMemUse (bytes)17,176 14,528 -2,648 -15.4%

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% 563 36.0% 392 35.9% 8 0.9% -10,456 -1502.3%
Exclusive Metrics Diff for Current Function-44 -7.8% -15 -3.8% 28 350.0% -2,648 -25.3%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 563 100.0% 392 100.0% 8 100.0% -10,456 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 595 105.7% 418 106.6% 0 0.0% -7,276 -69.6%
array_keys0 N/A% -5 -0.9% -21 -5.4% -28 -350.0% -1,348 -12.9%
array_diff0 N/A% 10 1.8% 5 1.3% 0 0.0% -172 -1.6%
array_fill_keys0 N/A% 1 0.2% 2 0.5% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -6 -1.1% 2 0.5% 8 100.0% 60 0.6%
drupal_static0 N/A% 12 2.1% 1 0.3% 0 0.0% 928 8.9%