Diff Report
Run #517c7dc1dc4c3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c7d73caad2: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517c7dc1dc4c3Run #517c7d73caad2DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)4,998 5,093 95 1.9%
Incl. Wall Time (microsec) per call 77 78 1 1.9%
Excl. Wall Time (microsec)1,121 1,071 -50 -4.5%
Incl. CPU (microsecs)3,428 3,444 16 0.5%
Incl. CPU (microsecs) per call 53 53 0 0.5%
Excl. CPU (microsec)928 896 -32 -3.4%
Incl. MemUse (bytes)52,440 52,440 0 0.0%
Incl. MemUse (bytes) per call 807 807 0 0.0%
Excl. MemUse (bytes)-87,192 -87,240 -48 -0.1%
Incl. PeakMemUse (bytes)82,608 83,072 464 0.6%
Incl. PeakMemUse (bytes) per call 1,271 1,278 7 0.6%
Excl. PeakMemUse (bytes)13,960 13,960 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% 95 26.9% 16 1.7% 0 0.0% 464 18.9%
Exclusive Metrics Diff for Current Function-50 -52.6% -32 -200.0% -48 N/A% 0 0.0%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 110 115.8% 29 181.2% 0 N/A% 464 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -15 -15.8% -13 -81.2% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 104 109.5% 21 131.2% 48 N/A% 440 94.8%
array_keys0 N/A% 37 38.9% 20 125.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 12 12.6% 10 62.5% 0 N/A% 24 5.2%
drupal_static0 N/A% -11 -11.6% -7 -43.8% 0 N/A% 0 0.0%
array_diff0 N/A% 2 2.1% 1 6.2% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 1 1.1% 3 18.8% 0 N/A% 0 0.0%