Diff Report
Run #51904f8640386: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #519050cbdc201: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #51904f8640386Run #519050cbdc201DiffDiff%
Number of Function Calls73 73 0 0.0%
Incl. Wall Time (microsec)5,221 5,363 142 2.7%
Incl. Wall Time (microsec) per call 72 73 2 2.7%
Excl. Wall Time (microsec)1,179 1,219 40 3.4%
Incl. CPU (microsecs)3,456 3,617 161 4.7%
Incl. CPU (microsecs) per call 47 50 2 4.7%
Excl. CPU (microsec)1,007 991 -16 -1.6%
Incl. MemUse (bytes)56,352 56,352 0 0.0%
Incl. MemUse (bytes) per call 772 772 0 0.0%
Excl. MemUse (bytes)-96,160 -96,160 0 0.0%
Incl. PeakMemUse (bytes)94,272 93,992 -280 -0.3%
Incl. PeakMemUse (bytes) per call 1,291 1,288 -4 -0.3%
Excl. PeakMemUse (bytes)16,528 16,392 -136 -0.8%

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::checksumTags0 N/A% 142 12.7% 161 10.3% 0 0.0% -280 -0.3%
Exclusive Metrics Diff for Current Function40 28.2% -16 -9.9% 0 N/A% -136 -48.6%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 104 73.2% 108 67.1% 0 N/A% -280 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 38 26.8% 53 32.9% 0 N/A% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 72 50.7% 63 39.1% 0 N/A% 0 0.0%
array_diff0 N/A% 69 48.6% 90 55.9% 0 N/A% 0 0.0%
array_keys0 N/A% -54 -38.0% -4 -2.5% 0 N/A% -144 -51.4%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 30 21.1% 24 14.9% 0 N/A% 0 0.0%
drupal_static0 N/A% -16 -11.3% 1 0.6% 0 N/A% 0 0.0%
array_fill_keys0 N/A% 1 0.7% 3 1.9% 0 N/A% 0 0.0%