Diff Report
Run #51ec66a5a877d: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec623000e0c: XHProf Run (Namespace=drupal-perf-drupalcon)
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Overall Diff Summary

Run #51ec66a5a877dRun #51ec623000e0cDiffDiff%
Number of Function Calls797,488 793,342 -4,146 -0.5%
Incl. Wall Time (microsec)2,934,185 2,931,835 -2,350 -0.1%
Incl. CPU (microsecs)2,898,250 2,894,807 -3,443 -0.1%
Incl. MemUse (bytes)20,574,496 20,495,008 -79,488 -0.4%
Incl. PeakMemUse (bytes)20,802,744 20,729,944 -72,800 -0.3%

[View Regressions/Improvements using Callgraph Diff]


Top 100 Regressions/Improvements: Sorted by Function Name Diff [ display all ]


Function NameCalls DiffCalls
Diff%		Incl. Wall
Diff
(microsec)		IWall
Diff%		Excl. Wall
Diff
(microsec)		EWall
Diff%		Incl. CPU Diff
(microsec)		ICpu
Diff%		Excl. CPU
Diff
(microsec)		ECpu
Diff%		Incl.
MemUse
Diff
(bytes)		IMemUse
Diff%		Excl.
MemUse
Diff
(bytes)		EMemUse
Diff%		Incl.
PeakMemUse
Diff
(bytes)		IPeakMemUse
Diff%		Excl.
PeakMemUse
Diff
(bytes)		EPeakMemUse
Diff%
ajax_pre_render_element 0 0.0% 0 0.0% 0 0.0% -4 -0.1% -4 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ajax_process_form 0 0.0% 2 0.1% 2 0.1% 0 0.0% 4 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
apc_fetch 0 0.0% -16 -0.7% -16 -0.7% 1 0.0% 1 0.0% -8 -0.0% -8 -0.0% 96 0.1% 96 0.1%
arg 0 0.0% 0 0.0% 0 0.0% 1 0.0% -2 -0.1% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
ArrayIterator::__construct 0 0.0% -1 -0.0% -1 -0.0% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayObject::exchangeArray 0 0.0% 10 0.4% 10 0.4% 14 0.4% 14 0.4% -8 -0.0% -8 -0.0% -104 -0.1% -104 -0.1%
ArrayObject::__construct 0 0.0% 1 0.0% 1 0.0% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_change_key_case 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_combine 0 0.0% -8 -0.3% -8 -0.3% -9 -0.3% -9 -0.3% 0 0.0% 0 0.0% -128 -0.2% -128 -0.2%
array_diff 0 0.0% 53 2.3% 53 2.3% 24 0.7% 24 0.7% 0 0.0% 0 0.0% -16 -0.0% -16 -0.0%
array_diff_key 0 0.0% 0 0.0% 0 0.0% 9 0.3% 9 0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_fill_keys 0 0.0% 0 0.0% 0 0.0% 3 0.1% 3 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_filter 0 0.0% 168 7.1% -94 -4.0% 91 2.6% 14 0.4% -16 -0.0% -16 -0.0% -1,184 -1.6% -248 -0.3%
array_filter@1 0 0.0% 0 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_flip 0 0.0% 16 0.7% 16 0.7% 40 1.2% 40 1.2% 8 0.0% 8 0.0% -392 -0.5% -392 -0.5%
array_intersect 0 0.0% -4 -0.2% -4 -0.2% -4 -0.1% -4 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_intersect_key -54 -1.3% -150 -6.4% -150 -6.4% -194 -5.6% -194 -5.6% -120,528 -151.6% -120,528 -151.6% 0 0.0% 0 0.0%
array_keys 0 0.0% 48 2.0% 48 2.0% -151 -4.4% -151 -4.4% -272 -0.3% -272 -0.3% 168 0.2% 168 0.2%
array_key_exists -141 -3.4% -80 -3.4% -80 -3.4% -436 -12.7% -436 -12.7% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
array_map 0 0.0% -98 -4.2% -11 -0.5% -86 -2.5% -56 -1.6% -128 -0.2% -104 -0.1% 1,160 1.6% 1,160 1.6%
array_merge -54 -1.3% -247 -10.5% -247 -10.5% -277 -8.0% -277 -8.0% -243,552 -306.4% -243,552 -306.4% -1,176 -1.6% -1,176 -1.6%
array_merge_recursive 0 0.0% 0 0.0% 0 0.0% 3 0.1% 3 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_pad 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_pop 0 0.0% 0 0.0% 0 0.0% 3 0.1% 3 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_replace 0 0.0% -4 -0.2% -4 -0.2% -11 -0.3% -11 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_reverse 0 0.0% 21 0.9% 21 0.9% 26 0.8% 26 0.8% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_shift 0 0.0% 1 0.0% 1 0.0% 21 0.6% 21 0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_slice 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unique 0 0.0% -4 -0.2% -4 -0.2% -21 -0.6% -21 -0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unshift 0 0.0% 0 0.0% 0 0.0% -3 -0.1% -3 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_values 0 0.0% 0 0.0% 0 0.0% -14 -0.4% -14 -0.4% 8 0.0% 8 0.0% 0 0.0% 0 0.0%
asort 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base64_encode 0 0.0% 0 0.0% 0 0.0% -10 -0.3% -10 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
basename 0 0.0% -3 -0.1% -3 -0.1% -3 -0.1% -3 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base_convert 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base_path 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_admin_paths 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_get_blocks_by_region 0 0.0% 1,104 47.0% 1 0.0% 347 10.1% -3 -0.1% -88 -0.1% 0 0.0% -5,344 -7.3% 0 0.0%
block_help 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_list 0 0.0% 812 34.6% 0 0.0% 570 16.6% 2 0.1% -24 -0.0% 0 0.0% -1,976 -2.7% -128 -0.2%
block_page_build 0 0.0% 1,138 48.4% 1 0.0% 383 11.1% 3 0.1% -88 -0.1% 0 0.0% -5,856 -8.0% -128 -0.2%
breakpoint_help 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
cache 0 0.0% -4 -0.2% 0 0.0% -13 -0.4% -7 -0.2% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
call_user_func 0 0.0% 10,766 458.1% -20 -0.9% 10,992 319.3% -4 -0.1% -48 -0.1% -168 -0.2% 18,160 24.9% 0 0.0%
call_user_func@1 0 0.0% -3 -0.1% -2 -0.1% -3 -0.1% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
call_user_func_array 0 0.0% -1,468 -62.5% -4 -0.2% -2,947 -85.6% -4 -0.1% -63,112 -79.4% 0 0.0% -87,392 -120.0% 0 0.0%
call_user_func_array@1 0 0.0% 1,329 56.6% -9 -0.4% 635 18.4% 5 0.1% -832 -1.0% -40 -0.1% 88 0.1% 0 0.0%
call_user_func_array@2 0 0.0% 0 0.0% 0 0.0% 0 0.0% 1 0.0% 0 0.0% 0 0.0% 272 0.4% 0 0.0%
check_plain 0 0.0% -3 -0.1% 10 0.4% -7 -0.2% 4 0.1% 8 0.0% 32 0.0% 0 0.0% 0 0.0%
chr 0 0.0% 0 0.0% 0 0.0% -4 -0.1% -4 -0.1% -24 -0.0% -24 -0.0% -48 -0.1% -48 -0.1%
class_exists -1 -0.0% -248 -10.6% 1 0.0% -251 -7.3% 17 0.5% 352 0.4% 0 0.0% 6,200 8.5% -656 -0.9%
class_implements 0 0.0% 3 0.1% -2 -0.1% 11 0.3% 5 0.1% 0 0.0% 0 0.0% -136 -0.2% -136 -0.2%
color_css_alter 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_help 0 0.0% 0 0.0% 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_preprocess_page 0 0.0% 0 0.0% 1 0.0% -9 -0.3% -1 -0.0% -16 -0.0% 0 0.0% -16 -0.0% 0 0.0%
comment_help 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_node_load 0 0.0% 150 6.4% -32 -1.4% 19 0.6% -39 -1.1% -24 -0.0% -32 -0.0% -48 -0.1% 0 0.0%
comment_node_view 0 0.0% 113 4.8% 35 1.5% 45 1.3% 15 0.4% 8 0.0% 0 0.0% -464 -0.6% 0 0.0%
comment_preprocess_block 0 0.0% 0 0.0% 0 0.0% -3 -0.1% -3 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
config 0 0.0% -55 -2.3% -5 -0.2% -66 -1.9% -34 -1.0% -8 -0.0% -8 -0.0% -128 -0.2% -128 -0.2%
config_get_config_directory 0 0.0% 0 0.0% 0 0.0% 0 0.0% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
config_help 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
conf_path 0 0.0% -6 -0.3% 0 0.0% -29 -0.8% -31 -0.9% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contact_help 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_element_info 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_help 0 0.0% 0 0.0% 0 0.0% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_page_build 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_preprocess -54 -1.3% -258 -11.0% -247 -10.5% -309 -9.0% -215 -6.2% -24 -0.0% -16 -0.0% 88 0.1% 0 0.0%
contextual_pre_render_placeholder 0 0.0% 1 0.0% 1 0.0% 8 0.2% 8 0.2% -24 -0.0% -24 -0.0% 0 0.0% 0 0.0%
count -87 -2.1% -4 -0.2% -8 -0.3% -179 -5.2% -193 -5.6% -792 -1.0% -792 -1.0% -128 -0.2% -128 -0.2%
count@1 0 0.0% 5 0.2% 5 0.2% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_alpha 0 0.0% 304 12.9% 304 12.9% -43 -1.2% -43 -1.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_digit -87 -2.1% -80 -3.4% -80 -3.4% -123 -3.6% -123 -3.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
current 0 0.0% 10 0.4% 10 0.4% 6 0.2% 6 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
current_path 0 0.0% 24 1.0% -10 -0.4% 18 0.5% -7 -0.2% 0 0.0% 16 0.0% 0 0.0% 0 0.0%
custom_block_admin_paths 0 0.0% 0 0.0% 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
custom_block_menu_local_tasks 0 0.0% 0 0.0% 0 0.0% 0 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date 0 0.0% -3 -0.1% -3 -0.1% 3 0.1% 3 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::createFromFormat 0 0.0% 0 0.0% 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::format 0 0.0% 4 0.2% 4 0.2% 10 0.3% 10 0.3% -56 -0.1% -56 -0.1% 0 0.0% 0 0.0%
DateTime::getLastErrors 0 0.0% -3 -0.1% -3 -0.1% -4 -0.1% -4 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimestamp 0 0.0% -12 -0.5% -12 -0.5% -22 -0.6% -22 -0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimezone 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -2 -0.1% -24 -0.0% -24 -0.0% 0 0.0% 0 0.0%
DateTime::__construct 0 0.0% 5 0.2% 5 0.2% 4 0.1% 4 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTimeZone::__construct 0 0.0% 1 0.0% 1 0.0% 2 0.1% 2 0.1% 16 0.0% 16 0.0% 0 0.0% 0 0.0%
datetime_default_format_type 0 0.0% 165 7.0% 20 0.9% 79 2.3% 19 0.6% 0 0.0% 0 0.0% -272 -0.4% 0 0.0%
datetime_element_info 0 0.0% 576 24.5% 1 0.0% 301 8.7% 3 0.1% 0 0.0% 0 0.0% -272 -0.4% 0 0.0%
date_default_timezone_get 0 0.0% 0 0.0% 0 0.0% -9 -0.3% -9 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_default_timezone_set 0 0.0% -1 -0.0% -1 -0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_iso8601 0 0.0% -9 -0.4% -6 -0.3% -6 -0.2% -9 -0.3% -16 -0.0% -16 -0.0% 0 0.0% 0 0.0%
date_parse 0 0.0% -2 -0.1% -2 -0.1% -3 -0.1% -3 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_help 0 0.0% 0 0.0% 0 0.0% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_page_build 0 0.0% 0 0.0% 0 0.0% 0 0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_and 0 0.0% 0 0.0% 0 0.0% 0 0.0% 5 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_delete 0 0.0% 66 2.8% 0 0.0% 67 1.9% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_insert 0 0.0% 10 0.4% -1 -0.0% 9 0.3% -3 -0.1% 0 0.0% 0 0.0% 12,288 16.9% 872 1.2%
db_query 0 0.0% 210 8.9% 2 0.1% 88 2.6% 3 0.1% 8 0.0% 0 0.0% 64 0.1% 0 0.0%
db_query_range 0 0.0% -3 -0.1% -3 -0.1% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_select 0 0.0% 2 0.1% -1 -0.0% 4 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
decode_entities 0 0.0% 4 0.2% 3 0.1% 1 0.0% 3 0.1% -88 -0.1% 8 0.0% 0 0.0% 0 0.0%
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