Diff Report
Run #51978cc86c728: XHProf Run (Namespace=drupal-perf-cottser)
vs.
Run #51978d4d92dd9: XHProf Run (Namespace=drupal-perf-cottser)
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Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #51978cc86c728Run #51978d4d92dd9DiffDiff%
Number of Function Calls85 86 1 1.2%
Incl. Wall Time (microsec)62,123 63,272 1,149 1.8%
Incl. Wall Time (microsec) per call 731 736 5 0.7%
Excl. Wall Time (microsec)2,802 2,871 69 2.5%
Incl. CPU (microsecs)39,325 40,230 905 2.3%
Incl. CPU (microsecs) per call 463 468 5 1.1%
Excl. CPU (microsec)2,443 2,515 72 2.9%
Incl. MemUse (bytes)2,342,656 2,344,896 2,240 0.1%
Incl. MemUse (bytes) per call 27,561 27,266 -294 -1.1%
Excl. MemUse (bytes)-232,584 -237,440 -4,856 -2.1%
Incl. PeakMemUse (bytes)2,660,584 2,676,592 16,008 0.6%
Incl. PeakMemUse (bytes) per call 31,301 31,123 -178 -0.6%
Excl. PeakMemUse (bytes)121,248 121,400 152 0.1%

Parent/Child Regression/Improvement report for Drupal\Core\Cache\DatabaseBackend::getMultiple [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::getMultiple1 16.7% 1,149 461.4% 905 747.9% 2,240 10.3% 16,008 68.5%
Exclusive Metrics Diff for Current Function69 6.0% 72 8.0% -4,856 -216.8% 152 0.9%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get1 100.0% 1,106 96.3% 846 93.5% 2,240 100.0% 16,008 100.0%
field_attach_load0 0.0% 43 3.7% 59 6.5% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query1 20.0% 880 76.6% 913 100.9% 6,168 275.4% 6,192 38.7%
Drupal\Core\Cache\DatabaseBackend::prepareItem1 20.0% 210 18.3% -55 -6.1% 312 13.9% 9,648 60.3%
array_keys1 20.0% -7 -0.6% -17 -1.9% 368 16.4% 0 0.0%
array_diff1 20.0% -3 -0.3% -6 -0.7% 168 7.5% 0 0.0%
Drupal\Core\Database\Connection::escapeTable1 20.0% 0 0.0% -2 -0.2% 80 3.6% 16 0.1%