Diff Report
Run #517c76da9b0d3: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517c75d3de7c7: 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 #517c76da9b0d3Run #517c75d3de7c7DiffDiff%
Number of Function Calls65 66 1 1.5%
Incl. Wall Time (microsec)4,747 5,151 404 8.5%
Incl. Wall Time (microsec) per call 73 78 5 6.9%
Excl. Wall Time (microsec)1,040 1,090 50 4.8%
Incl. CPU (microsecs)3,237 3,351 114 3.5%
Incl. CPU (microsecs) per call 50 51 1 2.0%
Excl. CPU (microsec)869 933 64 7.4%
Incl. MemUse (bytes)52,440 52,928 488 0.9%
Incl. MemUse (bytes) per call 807 802 -5 -0.6%
Excl. MemUse (bytes)-87,184 -89,296 -2,112 -2.4%
Incl. PeakMemUse (bytes)83,208 83,136 -72 -0.1%
Incl. PeakMemUse (bytes) per call 1,280 1,260 -20 -1.6%
Excl. PeakMemUse (bytes)14,056 14,584 528 3.8%

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::checksumTags1 25.0% 404 0.2% 114 0.1% 488 0.2% -72 -0.0%
Exclusive Metrics Diff for Current Function50 12.4% 64 56.1% -2,112 -432.8% 528 733.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem1 100.0% 433 107.2% 146 128.1% 488 100.0% -72 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 0.0% -29 -7.2% -32 -28.1% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% 325 80.4% 40 35.1% -8 -1.6% -440 -611.1%
drupal_static1 33.3% 10 2.5% 16 14.0% 0 0.0% 32 44.4%
array_keys1 33.3% 8 2.0% -7 -6.1% 2,520 516.4% -88 -122.2%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 6 1.5% 5 4.4% 0 0.0% -8 -11.1%
array_diff1 33.3% 5 1.2% -4 -3.5% 88 18.0% -96 -133.3%
array_fill_keys0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%