Diff Report
Run #52d4b590e6e18: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #52d4b60c154f6: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #52d4b590e6e18Run #52d4b60c154f6DiffDiff%
Number of Function Calls80 78 -2 -2.5%
Incl. Wall Time (microsec)3,275 3,201 -74 -2.3%
Incl. Wall Time (microsec) per call 41 41 0 0.2%
Excl. Wall Time (microsec)879 835 -44 -5.0%
Incl. CPU (microsecs)2,522 2,460 -62 -2.5%
Incl. CPU (microsecs) per call 32 32 0 0.0%
Excl. CPU (microsec)697 678 -19 -2.7%
Incl. MemUse (bytes)60,648 59,664 -984 -1.6%
Incl. MemUse (bytes) per call 758 765 7 0.9%
Excl. MemUse (bytes)-112,832 -111,608 1,224 1.1%
Incl. PeakMemUse (bytes)96,456 95,424 -1,032 -1.1%
Incl. PeakMemUse (bytes) per call 1,206 1,223 18 1.5%
Excl. PeakMemUse (bytes)16,264 15,936 -328 -2.0%

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::checksumTags-2 -25.0% -74 -2.8% -62 -2.7% -984 -0.8% -1,032 -0.9%
Exclusive Metrics Diff for Current Function-44 -59.5% -19 -30.6% 1,224 124.4% -328 -31.8%
Parent function
Drupal\Core\Cache\DatabaseBackend::prepareItem-2 -100.0% -74 -100.0% -62 -100.0% -984 -100.0% -1,032 -100.0%
Child functions
Drupal\Core\Database\Connection::query0 0.0% -25 -33.8% -16 -25.8% -24 -2.4% -160 -15.5%
drupal_static-2 -33.3% -8 -10.8% -19 -30.6% 0 0.0% -48 -4.7%
array_fill_keys0 0.0% 5 6.8% -1 -1.6% 0 0.0% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 0.0% 4 5.4% 4 6.5% -8 -0.8% -8 -0.8%
array_diff-2 -33.3% -3 -4.1% -1 -1.6% -176 -17.9% -200 -19.4%
array_keys-2 -33.3% -3 -4.1% -10 -16.1% -2,000 -203.3% -288 -27.9%