Diff Report
Run #517d7319aefb8: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #517d73f55c548: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::checksumTags

Drupal\Core\Cache\DatabaseBackend::checksumTagsRun #517d7319aefb8Run #517d73f55c548DiffDiff%
Number of Function Calls65 65 0 0.0%
Incl. Wall Time (microsec)4,844 5,128 284 5.9%
Incl. Wall Time (microsec) per call 75 79 4 5.9%
Excl. Wall Time (microsec)998 1,000 2 0.2%
Incl. CPU (microsecs)3,117 3,198 81 2.6%
Incl. CPU (microsecs) per call 48 49 1 2.6%
Excl. CPU (microsec)838 811 -27 -3.2%
Incl. MemUse (bytes)52,464 52,440 -24 -0.0%
Incl. MemUse (bytes) per call 807 807 -0 -0.0%
Excl. MemUse (bytes)-87,600 -87,192 408 0.5%
Incl. PeakMemUse (bytes)82,376 82,608 232 0.3%
Incl. PeakMemUse (bytes) per call 1,267 1,271 4 0.3%
Excl. PeakMemUse (bytes)14,216 13,960 -256 -1.8%

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% 284 3.4% 81 0.9% -24 -0.1% 232 1.2%
Exclusive Metrics Diff for Current Function2 0.7% -27 -33.3% 408 1700.0% -256 -110.3%
Parent functions
Drupal\Core\Cache\DatabaseBackend::prepareItem0 N/A% 269 94.7% 62 76.5% -24 -100.0% 232 100.0%
Drupal\Core\Cache\DatabaseBackend::prepareItem@10 N/A% 15 5.3% 19 23.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query0 N/A% 290 102.1% 90 111.1% -24 -100.0% 440 189.7%
Drupal\Core\Database\Statement::fetchAllAssoc0 N/A% 10 3.5% 9 11.1% 0 0.0% -24 -10.3%
array_keys0 N/A% -8 -2.8% 13 16.0% -408 -1700.0% 16 6.9%
array_diff0 N/A% -6 -2.1% -4 -4.9% 0 0.0% 96 41.4%
drupal_static0 N/A% -4 -1.4% -3 -3.7% 0 0.0% -40 -17.2%
array_fill_keys0 N/A% 0 0.0% 3 3.7% 0 0.0% 0 0.0%