Diff Report
Run #52d4b18f32fb6: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b1f732b14: XHProf Run (Namespace=drupal-perf-cottser)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52d4b18f32fb6Run #52d4b1f732b14DiffDiff%
Number of Function Calls107 106 -1 -0.9%
Incl. Wall Time (microsec)3,494 3,471 -23 -0.7%
Incl. Wall Time (microsec) per call 33 33 0 0.3%
Excl. Wall Time (microsec)1,036 1,034 -2 -0.2%
Incl. CPU (microsecs)2,759 2,751 -8 -0.3%
Incl. CPU (microsecs) per call 26 26 0 0.7%
Excl. CPU (microsec)859 853 -6 -0.7%
Incl. MemUse (bytes)73,800 73,312 -488 -0.7%
Incl. MemUse (bytes) per call 690 692 2 0.3%
Excl. MemUse (bytes)-128,608 -127,992 616 0.5%
Incl. PeakMemUse (bytes)91,952 91,920 -32 -0.0%
Incl. PeakMemUse (bytes) per call 859 867 8 0.9%
Excl. PeakMemUse (bytes)17,960 18,120 160 0.9%

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-1 -25.0% -23 -1.3% -8 -0.4% -488 -0.6% -32 -0.0%
Exclusive Metrics Diff for Current Function-2 -8.7% -6 -75.0% 616 126.2% 160 500.0%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem-1 -100.0% -23 -100.0% -8 -100.0% -488 -100.0% -32 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -18 -78.3% -11 -137.5% 0 0.0% -624 -1950.0%
array_diff-1 -33.3% -4 -17.4% -6 -75.0% -88 -18.0% 72 225.0%
array_keys-1 -33.3% 3 13.0% 9 112.5% -1,016 -208.2% 416 1300.0%
drupal_static-1 -33.3% -2 -8.7% 5 62.5% 0 0.0% 24 75.0%
array_fill_keys0 0.0% 1 4.3% 2 25.0% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% -1 -4.3% -1 -12.5% 0 0.0% -80 -250.0%