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

Run #51ec623000e0cRun #51ec66a5a877dDiffDiff%
Number of Function Calls793,342 797,488 4,146 0.5%
Incl. Wall Time (microsec)2,931,835 2,934,185 2,350 0.1%
Incl. CPU (microsecs)2,894,807 2,898,250 3,443 0.1%
Incl. MemUse (bytes)20,495,008 20,574,496 79,488 0.4%
Incl. PeakMemUse (bytes)20,729,944 20,802,744 72,800 0.4%

[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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