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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #512a40ad78082Run #512a40915a5ddDiffDiff%
Number of Function Calls122 107 -15 -12.3%
Incl. Wall Time (microsec)2,968 2,620 -348 -11.7%
Incl. Wall Time (microsec) per call 24 24 0 0.6%
Excl. Wall Time (microsec)1,283 1,122 -161 -12.5%
Incl. CPU (microsecs)12,000 8,001 -3,999 -33.3%
Incl. CPU (microsecs) per call 98 75 -24 -24.0%
Excl. CPU (microsec)0 4,000 4,000 N/A%
Incl. MemUse (bytes)119,552 107,160 -12,392 -10.4%
Incl. MemUse (bytes) per call 980 1,001 22 2.2%
Excl. MemUse (bytes)-119,312 -109,456 9,856 8.3%
Incl. PeakMemUse (bytes)146,624 119,216 -27,408 -18.7%
Incl. PeakMemUse (bytes) per call 1,202 1,114 -88 -7.3%
Excl. PeakMemUse (bytes)42,864 33,712 -9,152 -21.4%

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::checksumTags-15 -22.7% -348 -1.2% -3,999 -14.3% -12,392 -0.4% -27,408 -0.8%
Exclusive Metrics Diff for Current Function-161 -46.3% 4,000 100.0% 9,856 79.5% -9,152 -33.4%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem-15 -100.0% -348 -100.0% -3,999 -100.0% -12,392 -100.0% -27,408 -100.0%
Child functions
Drupal\Core\Database\Connection::query-1 -2.0% -103 -29.6% -7,999 -200.0% -5,192 -41.9% -5,992 -21.9%
drupal_static-15 -29.4% -34 -9.8% 0 0.0% 0 0.0% -680 -2.5%
array_diff-16 -31.4% -20 -5.7% 0 0.0% -3,832 -30.9% -3,360 -12.3%
array_keys-16 -31.4% -15 -4.3% 0 0.0% -11,408 -92.1% -6,008 -21.9%
Drupal\Core\Database\Statement::fetchAllAssoc-1 -2.0% -13 -3.7% 0 0.0% -1,584 -12.8% -1,760 -6.4%
array_fill_keys-1 -2.0% -3 -0.9% 0 0.0% -232 -1.9% 0 0.0%
Drupal\Core\Database\Database::getConnection-1 -2.0% 1 0.3% 0 0.0% 0 0.0% -456 -1.7%