Diff Report
Run #512a40915a5dd: XHProf Run (Namespace=drupal-perf)
vs.
Run #512a40ad78082: XHProf Run (Namespace=drupal-perf)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #512a40915a5ddRun #512a40ad78082DiffDiff%
Number of Function Calls107 122 15 14.0%
Incl. Wall Time (microsec)2,620 2,968 348 13.3%
Incl. Wall Time (microsec) per call 24 24 -0 -0.6%
Excl. Wall Time (microsec)1,122 1,283 161 14.3%
Incl. CPU (microsecs)8,001 12,000 3,999 50.0%
Incl. CPU (microsecs) per call 75 98 24 31.5%
Excl. CPU (microsec)4,000 0 -4,000 -100.0%
Incl. MemUse (bytes)107,160 119,552 12,392 11.6%
Incl. MemUse (bytes) per call 1,001 980 -22 -2.2%
Excl. MemUse (bytes)-109,456 -119,312 -9,856 -9.0%
Incl. PeakMemUse (bytes)119,216 146,624 27,408 23.0%
Incl. PeakMemUse (bytes) per call 1,114 1,202 88 7.9%
Excl. PeakMemUse (bytes)33,712 42,864 9,152 27.1%

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::checksumTags15 22.7% 348 1.2% 3,999 14.3% 12,392 0.4% 27,408 0.8%
Exclusive Metrics Diff for Current Function161 46.3% -4,000 -100.0% -9,856 -79.5% 9,152 33.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem15 100.0% 348 100.0% 3,999 100.0% 12,392 100.0% 27,408 100.0%
Child functions
Drupal\Core\Database\Connection::query1 2.0% 103 29.6% 7,999 200.0% 5,192 41.9% 5,992 21.9%
drupal_static15 29.4% 34 9.8% 0 0.0% 0 0.0% 680 2.5%
array_diff16 31.4% 20 5.7% 0 0.0% 3,832 30.9% 3,360 12.3%
array_keys16 31.4% 15 4.3% 0 0.0% 11,408 92.1% 6,008 21.9%
Drupal\Core\Database\Statement::fetchAllAssoc1 2.0% 13 3.7% 0 0.0% 1,584 12.8% 1,760 6.4%
array_fill_keys1 2.0% 3 0.9% 0 0.0% 232 1.9% 0 0.0%
Drupal\Core\Database\Database::getConnection1 2.0% -1 -0.3% 0 0.0% 0 0.0% 456 1.7%