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

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #518fb7370421eRun #518fbd1297c93DiffDiff%
Number of Function Calls77 77 0 0.0%
Incl. Wall Time (microsec)4,663 4,593 -70 -1.5%
Incl. Wall Time (microsec) per call 61 60 -1 -1.5%
Excl. Wall Time (microsec)1,230 1,217 -13 -1.1%
Incl. CPU (microsecs)3,285 3,263 -22 -0.7%
Incl. CPU (microsecs) per call 43 42 -0 -0.7%
Excl. CPU (microsec)1,005 998 -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)87,080 88,312 1,232 1.4%
Incl. PeakMemUse (bytes) per call 1,131 1,147 16 1.4%
Excl. PeakMemUse (bytes)14,776 14,760 -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 Function-13 -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%