Diff Report
Run #519a6b3fa9c9c: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519a6f8ea14bd: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #519a6b3fa9c9cRun #519a6f8ea14bdDiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)2,873 2,779 -94 -3.3%
Incl. Wall Time (microsec) per call 39 38 -1 -3.3%
Excl. Wall Time (microsec)900 873 -27 -3.0%
Incl. CPU (microsecs)2,250 2,190 -60 -2.7%
Incl. CPU (microsecs) per call 31 30 -1 -2.7%
Excl. CPU (microsec)727 714 -13 -1.8%
Incl. MemUse (bytes)52,000 52,000 0 0.0%
Incl. MemUse (bytes) per call 712 712 0 0.0%
Excl. MemUse (bytes)-42,584 -42,616 -32 -0.1%
Incl. PeakMemUse (bytes)48,024 48,128 104 0.2%
Incl. PeakMemUse (bytes) per call 658 659 1 0.2%
Excl. PeakMemUse (bytes)7,496 7,496 0 0.0%

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% -94 -7.9% -60 -5.2% 0 0.0% 104 0.4%
Exclusive Metrics Diff for Current Function-27 -28.7% -13 -21.7% -32 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% -95 -101.1% -62 -103.3% 0 N/A% 104 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 1 1.1% 2 3.3% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% -63 -67.0% -31 -51.7% 0 N/A% 0 0.0%
array_keys0 N/A% 10 10.6% -4 -6.7% 32 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -9 -9.6% -9 -15.0% 0 N/A% 0 0.0%
drupal_static0 N/A% -3 -3.2% -6 -10.0% 0 N/A% 0 0.0%
array_diff0 N/A% -2 -2.1% 6 10.0% 0 N/A% 104 100.0%
array_fill_keys0 N/A% 0 0.0% -3 -5.0% 0 N/A% 0 0.0%