Diff Report
Run #519ffbe6eb79f: XHProf Run (Namespace=drupal-perf-ezeedub)
vs.
Run #519ffb7471c72: XHProf Run (Namespace=drupal-perf-ezeedub)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519ffbe6eb79fRun #519ffb7471c72DiffDiff%
Number of Function Calls 90 90 N/A%
Incl. Wall Time (microsec) 6,553 6,553 N/A%
Incl. Wall Time (microsec) per call N/A 73 73 N/A%
Excl. Wall Time (microsec) 2,214 2,214 N/A%
Incl. CPU (microsecs) 12,000 12,000 N/A%
Incl. CPU (microsecs) per call N/A 133 133 N/A%
Excl. CPU (microsec) 8,000 8,000 N/A%
Incl. MemUse (bytes) 34,912 34,912 N/A%
Incl. MemUse (bytes) per call N/A 388 388 N/A%
Excl. MemUse (bytes) -52,616 -52,616 N/A%
Incl. PeakMemUse (bytes) 45,632 45,632 N/A%
Incl. PeakMemUse (bytes) per call N/A 507 507 N/A%
Excl. PeakMemUse (bytes) 7,892 7,892 N/A%

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::checksumTags90 21.2% 6,553 1.1% 12,000 2.1% 34,912 0.5% 45,632 0.6%
Exclusive Metrics Diff for Current Function2,214 33.8% 8,000 66.7% -52,616 -150.7% 7,892 17.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem83 92.2% 6,026 92.0% 8,000 66.7% 32,116 92.0% 40,968 89.8%
Drupal\Core\Cache\DatabaseBackend::prepareItem@17 7.8% 527 8.0% 4,000 33.3% 2,796 8.0% 4,664 10.2%
Child functions
Drupal\Core\Database\Connection::query11 3.4% 1,994 30.4% 0 0.0% 10,980 31.5% 16,428 36.0%
drupal_static90 27.7% 1,160 17.7% 0 0.0% 616 1.8% 544 1.2%
array_diff101 31.1% 456 7.0% 0 0.0% 7,224 20.7% 3,776 8.3%
Drupal\Core\Database\Statement::fetchAllAssoc11 3.4% 360 5.5% 0 0.0% 8,228 23.6% 1,628 3.6%
array_keys101 31.1% 347 5.3% 4,000 33.3% 59,492 170.4% 15,028 32.9%
array_fill_keys11 3.4% 22 0.3% 0 0.0% 988 2.8% 336 0.7%