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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52e436ce9c71dRun #52e4374042aceDiffDiff%
Number of Function Calls95 96 1 1.1%
Incl. Wall Time (microsec)4,203 4,226 23 0.5%
Incl. Wall Time (microsec) per call 44 44 -0 -0.5%
Excl. Wall Time (microsec)1,190 1,198 8 0.7%
Incl. CPU (microsecs)3,248 3,248 0 0.0%
Incl. CPU (microsecs) per call 34 34 -0 -1.0%
Excl. CPU (microsec)994 964 -30 -3.0%
Incl. MemUse (bytes)68,816 69,320 504 0.7%
Incl. MemUse (bytes) per call 724 722 -2 -0.3%
Excl. MemUse (bytes)-140,416 -141,784 -1,368 -1.0%
Incl. PeakMemUse (bytes)131,536 133,608 2,072 1.6%
Incl. PeakMemUse (bytes) per call 1,385 1,392 7 0.5%
Excl. PeakMemUse (bytes)33,464 34,088 624 1.9%

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::checksumTags1 25.0% 23 2.0% 0 0.0% 504 0.6% 2,072 2.6%
Exclusive Metrics Diff for Current Function8 34.8% -30 N/A% -1,368 -271.4% 624 30.1%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% 23 100.0% 0 N/A% 504 100.0% 2,072 100.0%
Child functions
array_diff1 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_keys1 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_static1 33.3% 1 4.3% 8 N/A% 0 0.0% 48 2.3%