Diff Report
Run #518fbd1297c93: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #518fb7370421e: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518fbd1297c93Run #518fb7370421eDiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)4,593 4,663 70 1.5%
Incl. Wall Time (microsec) per call 60 61 1 1.5%
Excl. Wall Time (microsec)1,217 1,230 13 1.1%
Incl. CPU (microsecs)3,263 3,285 22 0.7%
Incl. CPU (microsecs) per call 42 43 0 0.7%
Excl. CPU (microsec)998 1,005 7 0.7%
Incl. MemUse (bytes)56,576 56,576 0 0.0%
Incl. MemUse (bytes) per call 735 735 0 0.0%
Excl. MemUse (bytes)-81,984 -81,984 0 0.0%
Incl. PeakMemUse (bytes)88,312 87,080 -1,232 -1.4%
Incl. PeakMemUse (bytes) per call 1,147 1,131 -16 -1.4%
Excl. PeakMemUse (bytes)14,760 14,776 16 0.1%

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% 70 2.2% 22 0.5% 0 0.0% -1,232 -0.3%
Exclusive Metrics Diff for Current Function13 18.6% 7 31.8% 0 N/A% 16 1.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 90 128.6% 15 68.2% 0 N/A% -1,232 -100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% -20 -28.6% 7 31.8% 0 N/A% 0 0.0%
Child functions
array_keys0 N/A% 36 51.4% 43 195.5% 0 N/A% -304 -24.7%
array_diff0 N/A% 21 30.0% 14 63.6% 0 N/A% -384 -31.2%
drupal_static0 N/A% 10 14.3% 13 59.1% 0 N/A% 0 0.0%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% -8 -11.4% -11 -50.0% 0 N/A% 0 0.0%
Drupal\Core\Database\Connection::query0 N/A% -2 -2.9% -44 -200.0% 0 N/A% -560 -45.5%
array_fill_keys0 N/A% 0 0.0% 0 0.0% 0 N/A% 0 0.0%