Diff Report
Run #51ec243650361: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec227a9cea0: XHProf Run (Namespace=drupal-perf-drupalcon)
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Overall Diff Summary

Run #51ec243650361Run #51ec227a9cea0DiffDiff%
Number of Function Calls762,538 761,520 -1,018 -0.1%
Incl. Wall Time (microsec)2,807,164 2,798,555 -8,609 -0.3%
Incl. CPU (microsecs)2,777,615 2,771,046 -6,569 -0.2%
Incl. MemUse (bytes)19,891,768 19,861,784 -29,984 -0.2%
Incl. PeakMemUse (bytes)20,122,056 20,090,008 -32,048 -0.2%

[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% -3 -0.0% -3 -0.0% 1 0.0% 1 0.0% -8 -0.0% -8 -0.0% 0 0.0% 0 0.0%
ajax_process_form 0 0.0% -3 -0.0% 0 0.0% -2 -0.0% -3 -0.0% -8 -0.0% 0 0.0% 0 0.0% 0 0.0%
apc_fetch 0 0.0% -72 -0.8% -72 -0.8% -55 -0.8% -55 -0.8% 16 0.1% 16 0.1% -608 -1.9% -608 -1.9%
arg 0 0.0% -10 -0.1% -10 -0.1% -9 -0.1% -8 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayIterator::__construct 0 0.0% 0 0.0% 0 0.0% 3 0.0% 3 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayObject::exchangeArray 0 0.0% 3 0.0% 3 0.0% 15 0.2% 15 0.2% 0 0.0% 0 0.0% 3,696 11.5% 3,696 11.5%
ArrayObject::__construct 0 0.0% -1 -0.0% -1 -0.0% 2 0.0% 2 0.0% 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% -2 -0.0% -2 -0.0% -3 -0.0% -3 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_diff 0 0.0% -45 -0.5% -45 -0.5% -19 -0.3% -19 -0.3% 0 0.0% 0 0.0% -16 -0.0% -16 -0.0%
array_diff_key 0 0.0% 1 0.0% 1 0.0% -13 -0.2% -13 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_fill_keys 0 0.0% -2 -0.0% -2 -0.0% 3 0.0% 3 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_filter 0 0.0% -333 -3.9% -16 -0.2% -78 -1.2% 17 0.3% -4,112 -13.7% 0 0.0% -4,624 -14.4% 0 0.0%
array_filter@1 0 0.0% 1 0.0% 0 0.0% 2 0.0% 2 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_flip 0 0.0% 49 0.6% 49 0.6% 41 0.6% 41 0.6% -24 -0.1% -24 -0.1% -64 -0.2% -64 -0.2%
array_intersect 0 0.0% -24 -0.3% -24 -0.3% -24 -0.4% -24 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_intersect_key 0 0.0% -12 -0.1% -12 -0.1% -4 -0.1% -4 -0.1% -56 -0.2% -56 -0.2% -8 -0.0% -8 -0.0%
array_keys -28 -2.8% 69 0.8% 69 0.8% 49 0.7% 49 0.7% -32,872 -109.6% -32,872 -109.6% 928 2.9% 928 2.9%
array_key_exists -28 -2.8% -124 -1.4% -124 -1.4% -22 -0.3% -22 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_map 0 0.0% -79 -0.9% -54 -0.6% -71 -1.1% -18 -0.3% 960 3.2% 8 0.0% -1,360 -4.2% -688 -2.1%
array_merge 0 0.0% 25 0.3% 25 0.3% 79 1.2% 79 1.2% 520 1.7% 520 1.7% -1,528 -4.8% -1,528 -4.8%
array_merge_recursive 0 0.0% -4 -0.0% -4 -0.0% 4 0.1% 4 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% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_pop 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%
array_replace 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%
array_reverse 0 0.0% 8 0.1% 8 0.1% 4 0.1% 4 0.1% 64 0.2% 64 0.2% 0 0.0% 0 0.0%
array_shift 0 0.0% -5 -0.1% -5 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_slice 0 0.0% 1 0.0% 1 0.0% -7 -0.1% -7 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unique 0 0.0% -2 -0.0% -2 -0.0% -3 -0.0% -3 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unshift 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%
array_values 0 0.0% 4 0.0% 4 0.0% -13 -0.2% -13 -0.2% 24 0.1% 24 0.1% 0 0.0% 0 0.0%
asort 0 0.0% 0 0.0% 0 0.0% 3 0.0% 3 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base64_encode 0 0.0% 1 0.0% 1 0.0% -6 -0.1% -6 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
basename 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%
base_convert 0 0.0% 0 0.0% 0 0.0% 2 0.0% 2 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% 1 0.0% 1 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% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_get_blocks_by_region 0 0.0% -707 -8.2% -3 -0.0% -789 -12.0% 1 0.0% -24 -0.1% 0 0.0% -2,024 -6.3% 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% -12 -0.1% -2 -0.0% 313 4.8% -5 -0.1% -4,112 -13.7% 0 0.0% -5,600 -17.5% 128 0.4%
block_page_build 0 0.0% -713 -8.3% -4 -0.0% -796 -12.1% -2 -0.0% -24 -0.1% 0 0.0% -2,024 -6.3% 0 0.0%
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% -23 -0.3% -9 -0.1% -14 -0.2% 3 0.0% 0 0.0% 0 0.0% -176 -0.5% -88 -0.3%
call_user_func 0 0.0% -681 -7.9% -11 -0.1% -750 -11.4% 7 0.1% -32,728 -109.2% -24 -0.1% -46,152 -144.0% 0 0.0%
call_user_func@1 0 0.0% -4 -0.0% -2 -0.0% -4 -0.1% 3 0.0% 0 0.0% 0 0.0% -112 -0.3% 0 0.0%
call_user_func_array 0 0.0% -7,107 -82.6% -2 -0.0% -5,443 -82.9% -1 -0.0% -29,688 -99.0% -40 -0.1% -37,792 -117.9% 0 0.0%
call_user_func_array@1 0 0.0% -955 -11.1% -11 -0.1% -305 -4.6% 11 0.2% 35,992 120.0% -24 -0.1% 38,720 120.8% 0 0.0%
call_user_func_array@2 0 0.0% 0 0.0% 1 0.0% 0 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
check_plain 0 0.0% -13 -0.2% -1 -0.0% -23 -0.4% 0 0.0% 16 0.1% 0 0.0% 104 0.3% 104 0.3%
chr 0 0.0% 0 0.0% 0 0.0% -5 -0.1% -5 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
class_exists -1 -0.1% -132 -1.5% -19 -0.2% -199 -3.0% -78 -1.2% -4,080 -13.6% 0 0.0% 864 2.7% -56 -0.2%
class_implements 0 0.0% -1 -0.0% -1 -0.0% 4 0.1% 5 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_css_alter 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%
color_help 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%
color_preprocess_page 0 0.0% 139 1.6% 1 0.0% 33 0.5% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_help 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%
comment_node_load 0 0.0% -141 -1.6% 11 0.1% -113 -1.7% 2 0.0% 0 0.0% 0 0.0% -264 -0.8% 0 0.0%
comment_node_view 0 0.0% -441 -5.1% -10 -0.1% -127 -1.9% -13 -0.2% 32,928 109.8% 0 0.0% 33,408 104.2% 0 0.0%
comment_preprocess_block 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%
config 0 0.0% -50 -0.6% -22 -0.3% -26 -0.4% -8 -0.1% -24 -0.1% -24 -0.1% 368 1.1% 240 0.7%
config_get_config_directory 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%
config_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%
conf_path 0 0.0% 3 0.0% 8 0.1% 0 0.0% -9 -0.1% 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% 88 0.3% 88 0.3%
contextual_help 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%
contextual_page_build 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_preprocess -28 -2.8% -193 -2.2% -186 -2.2% -215 -3.3% -143 -2.2% -752 -2.5% 32,184 107.3% 816 2.5% 432 1.3%
contextual_pre_render_placeholder 0 0.0% -5 -0.1% -5 -0.1% -8 -0.1% -8 -0.1% 16 0.1% 16 0.1% 0 0.0% 0 0.0%
count 0 0.0% -39 -0.5% -31 -0.4% -46 -0.7% -39 -0.6% -104 -0.3% -104 -0.3% 128 0.4% 128 0.4%
count@1 0 0.0% -4 -0.0% -4 -0.0% -6 -0.1% -6 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_alpha 0 0.0% 401 4.7% 401 4.7% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_digit 0 0.0% 3 0.0% 3 0.0% 5 0.1% 5 0.1% 0 0.0% 0 0.0% 88 0.3% 88 0.3%
current 0 0.0% 1 0.0% 1 0.0% -5 -0.1% -5 -0.1% 48 0.2% 48 0.2% 0 0.0% 0 0.0%
current_path 0 0.0% -9 -0.1% 11 0.1% -5 -0.1% 7 0.1% 0 0.0% 0 0.0% 1,120 3.5% 976 3.0%
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% 1 0.0% 2 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date 0 0.0% 4 0.0% 4 0.0% -2 -0.0% -2 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::createFromFormat 0 0.0% -1 -0.0% -1 -0.0% -1 -0.0% -1 -0.0% 8 0.0% 8 0.0% 0 0.0% 0 0.0%
DateTime::format 0 0.0% -3 -0.0% -3 -0.0% -12 -0.2% -12 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::getLastErrors 0 0.0% -2 -0.0% -2 -0.0% 2 0.0% 2 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimestamp 0 0.0% -3 -0.0% -3 -0.0% -1 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimezone 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% -16 -0.1% -16 -0.1% 0 0.0% 0 0.0%
DateTime::__construct 0 0.0% -13 -0.2% -13 -0.2% -17 -0.3% -17 -0.3% -40 -0.1% -40 -0.1% 0 0.0% 0 0.0%
DateTimeZone::__construct 0 0.0% 1 0.0% 1 0.0% -2 -0.0% -2 -0.0% -120 -0.4% -120 -0.4% 0 0.0% 0 0.0%
datetime_default_format_type 0 0.0% -188 -2.2% 4 0.0% -98 -1.5% -3 -0.0% -24 -0.1% 0 0.0% 16 0.0% 0 0.0%
datetime_element_info 0 0.0% -606 -7.0% -3 -0.0% -309 -4.7% 4 0.1% -24 -0.1% 0 0.0% 56 0.2% 0 0.0%
date_default_timezone_get 0 0.0% 2 0.0% 2 0.0% 4 0.1% 4 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_default_timezone_set 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%
date_iso8601 0 0.0% 1 0.0% -3 -0.0% 12 0.2% 14 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_parse 0 0.0% -4 -0.0% -4 -0.0% -3 -0.0% -3 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_help 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%
dblog_page_build 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%
db_and 0 0.0% 3 0.0% 0 0.0% 3 0.0% -3 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_delete 0 0.0% 2 0.0% 0 0.0% 1 0.0% -2 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_insert 0 0.0% -10 -0.1% 1 0.0% -10 -0.2% 1 0.0% -8 -0.0% 0 0.0% 3,808 11.9% 0 0.0%
db_query 0 0.0% -15 -0.2% 6 0.1% 2 0.0% -2 -0.0% 0 0.0% 0 0.0% -352 -1.1% 0 0.0%
db_query_range 0 0.0% -1 -0.0% -1 -0.0% 0 0.0% 2 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_select 0 0.0% -6 -0.1% -1 -0.0% -6 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
decode_entities 0 0.0% 2 0.0% 3 0.0% -4 -0.1% -2 -0.0% -56 -0.2% 16 0.1% 0 0.0% 0 0.0%
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