Diff Report
Run #519be9a13e594: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519bea9000214: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Regression/Improvement summary for Drupal\Core\Cache\DatabaseBackend::getMultiple

Drupal\Core\Cache\DatabaseBackend::getMultipleRun #519be9a13e594Run #519bea9000214DiffDiff%
Number of Function Calls86 87 1 1.2%
Incl. Wall Time (microsec)86,348 88,149 1,801 2.1%
Incl. Wall Time (microsec) per call 1,004 1,013 9 0.9%
Excl. Wall Time (microsec)4,334 4,361 27 0.6%
Incl. CPU (microsecs)51,195 51,418 223 0.4%
Incl. CPU (microsecs) per call 595 591 -4 -0.7%
Excl. CPU (microsec)3,950 3,964 14 0.4%
Incl. MemUse (bytes)1,295,400 1,296,680 1,280 0.1%
Incl. MemUse (bytes) per call 15,063 14,904 -158 -1.1%
Excl. MemUse (bytes)184,944 184,232 -712 -0.4%
Incl. PeakMemUse (bytes)1,692,468 1,699,088 6,620 0.4%
Incl. PeakMemUse (bytes) per call 19,680 19,530 -150 -0.8%
Excl. PeakMemUse (bytes)198,060 198,368 308 0.2%

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% 1,801 47.6% 223 9.6% 1,280 5.0% 6,620 25.7%
Exclusive Metrics Diff for Current Function27 1.5% 14 6.3% -712 -55.6% 308 4.7%
Parent functions
Drupal\Core\Cache\DatabaseBackend::get1 100.0% 1,735 96.3% 206 92.4% 1,280 100.0% 6,620 100.0%
field_attach_load0 0.0% 66 3.7% 17 7.6% 0 0.0% 0 0.0%
Child functions
Drupal\Core\Database\Connection::query1 20.0% 1,011 56.1% 39 17.5% 1,492 116.6% 1,608 24.3%
Drupal\Core\Cache\DatabaseBackend::prepareItem1 20.0% 759 42.1% 145 65.0% 144 11.2% 4,628 69.9%
Drupal\Core\Database\Connection::escapeTable1 20.0% 5 0.3% 36 16.1% 52 4.1% 76 1.1%
array_keys1 20.0% -4 -0.2% -10 -4.5% 216 16.9% 0 0.0%
array_diff1 20.0% 3 0.2% -1 -0.4% 88 6.9% 0 0.0%