Diff Report
Run #51ec485525502: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec491641923: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
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Overall Diff Summary

Run #51ec485525502Run #51ec491641923DiffDiff%
Number of Function Calls158,792 159,164 372 0.2%
Incl. Wall Time (microsec)628,399 629,948 1,549 0.2%
Incl. CPU (microsecs)609,055 610,806 1,751 0.3%
Incl. MemUse (bytes)19,350,392 19,484,376 133,984 0.7%
Incl. PeakMemUse (bytes)19,467,584 19,601,400 133,816 0.7%

[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 -0.2% -3 -0.2% -7 -0.4% -7 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ajax_process_form 0 0.0% -8 -0.5% -5 -0.3% -5 -0.3% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
apc_fetch 0 0.0% 19 1.2% 19 1.2% 34 1.9% 34 1.9% 0 0.0% 0 0.0% -392 -0.3% -392 -0.3%
arg 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% -7 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayIterator::__construct 0 0.0% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayObject::exchangeArray 22 5.9% 17 1.1% 17 1.1% 32 1.8% 32 1.8% -1,072 -0.8% -1,072 -0.8% 0 0.0% 0 0.0%
ArrayObject::__construct 2 0.5% 1 0.1% 1 0.1% 6 0.3% 6 0.3% 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 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_combine 0 0.0% -3 -0.2% -3 -0.2% -4 -0.2% -4 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_diff 0 0.0% 5 0.3% 5 0.3% -26 -1.5% -26 -1.5% -8 -0.0% -8 -0.0% -360 -0.3% -360 -0.3%
array_diff_key 0 0.0% -1 -0.1% -1 -0.1% -4 -0.2% -4 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_fill_keys 0 0.0% -2 -0.1% -2 -0.1% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_filter 0 0.0% 10 0.6% 32 2.1% 44 2.5% 64 3.7% 2,752 2.1% 2,648 2.0% -400 -0.3% -128 -0.1%
array_filter@1 0 0.0% 1 0.1% 1 0.1% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_flip 0 0.0% -20 -1.3% -20 -1.3% -41 -2.3% -41 -2.3% -16 -0.0% -16 -0.0% -632 -0.5% -632 -0.5%
array_intersect 0 0.0% 3 0.2% 3 0.2% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_intersect_key -10 -2.7% -12 -0.8% -12 -0.8% -15 -0.9% -15 -0.9% -2,544 -1.9% -2,544 -1.9% -600 -0.4% -600 -0.4%
array_keys 1 0.3% -29 -1.9% -29 -1.9% -12 -0.7% -12 -0.7% 1,136 0.8% 1,136 0.8% 1,384 1.0% 1,384 1.0%
array_key_exists 0 0.0% 7 0.5% 7 0.5% 1 0.1% 1 0.1% 32 0.0% 32 0.0% 0 0.0% 0 0.0%
array_map 0 0.0% 30 1.9% 19 1.2% 31 1.8% 13 0.7% 0 0.0% -16 -0.0% -1,416 -1.1% -128 -0.1%
array_merge 0 0.0% -29 -1.9% -29 -1.9% -20 -1.1% -20 -1.1% -312 -0.2% -312 -0.2% 0 0.0% 0 0.0%
array_merge_recursive 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_pad 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_pop 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_replace 0 0.0% 5 0.3% 5 0.3% 3 0.2% 3 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_reverse 11 3.0% -1 -0.1% -1 -0.1% 8 0.5% 8 0.5% 1,728 1.3% 1,728 1.3% 0 0.0% 0 0.0%
array_search 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_shift 0 0.0% -3 -0.2% -3 -0.2% -12 -0.7% -12 -0.7% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_slice 0 0.0% 0 0.0% 0 0.0% 7 0.4% 7 0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unique 0 0.0% 0 0.0% 0 0.0% 7 0.4% 7 0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unshift 0 0.0% -2 -0.1% -2 -0.1% -3 -0.2% -3 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_values 0 0.0% 3 0.2% 3 0.2% 4 0.2% 4 0.2% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
asort 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%
base64_encode 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%
basename 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 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% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base_path 0 0.0% 1 0.1% 1 0.1% 1 0.1% 1 0.1% 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 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_get_blocks_by_region 0 0.0% -942 -60.8% -2 -0.1% -1,096 -62.6% 4 0.2% 80 0.1% 0 0.0% -2,576 -1.9% 0 0.0%
block_help 0 0.0% 0 0.0% 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
block_list 0 0.0% -89 -5.7% -17 -1.1% -7 -0.4% -19 -1.1% 40 0.0% 0 0.0% -1,984 -1.5% 0 0.0%
block_page_build 0 0.0% -937 -60.5% 2 0.1% -1,094 -62.5% -1 -0.1% 80 0.1% 0 0.0% -2,576 -1.9% 0 0.0%
breakpoint_help 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
breakpoint_load 0 0.0% -33 -2.1% 0 0.0% 5 0.3% 3 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
cache 0 0.0% -10 -0.6% -3 -0.2% -13 -0.7% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
call_user_func 0 0.0% -305 -19.7% -7 -0.5% -150 -8.6% -4 -0.2% 4,256 3.2% -40 -0.0% 6,720 5.0% 88 0.1%
call_user_func@1 0 0.0% -25 -1.6% -8 -0.5% -27 -1.5% -9 -0.5% 0 0.0% 0 0.0% -72 -0.1% 0 0.0%
call_user_func_array 0 0.0% 2,389 154.2% 0 0.0% 2,202 125.8% -2 -0.1% 132,336 98.8% -8 -0.0% 133,112 99.5% 0 0.0%
call_user_func_array@1 0 0.0% 63 4.1% -60 -3.9% -255 -14.6% -69 -3.9% 1,544 1.2% 0 0.0% -3,456 -2.6% -480 -0.4%
call_user_func_array@2 0 0.0% -3 -0.2% 1 0.1% -1 -0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
check_plain 0 0.0% 22 1.4% -2 -0.1% 12 0.7% 21 1.2% 400 0.3% 0 0.0% 80 0.1% 80 0.1%
chr 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%
class_exists 2 0.5% -119 -7.7% -11 -0.7% -141 -8.1% -35 -2.0% 344 0.3% 0 0.0% 1,488 1.1% -56 -0.0%
class_implements 0 0.0% -20 -1.3% 1 0.1% -31 -1.8% -10 -0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_css_alter 0 0.0% 4 0.3% 3 0.2% 3 0.2% 2 0.1% 0 0.0% 0 0.0% -448 -0.3% 0 0.0%
color_help 0 0.0% 0 0.0% 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_preprocess_page 0 0.0% 22 1.4% 1 0.1% -7 -0.4% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_help 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_node_load 0 0.0% 36 2.3% -3 -0.2% 2 0.1% -10 -0.6% -48 -0.0% -8 -0.0% 208 0.2% 40 0.0%
comment_node_view 0 0.0% 34 2.2% 1 0.1% 33 1.9% 4 0.2% 0 0.0% 0 0.0% 0 0.0% 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% 4 0.3% -4 -0.3% 14 0.8% 11 0.6% -40 -0.0% -40 -0.0% 0 0.0% 0 0.0%
config_get_config_directory 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_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%
conf_path 0 0.0% 0 0.0% -2 -0.1% 0 0.0% 4 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contact_help 0 0.0% 0 0.0% 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_element_info 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_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_library_info 0 0.0% 1 0.1% 1 0.1% 1 0.1% 1 0.1% 24 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_page_build 0 0.0% 0 0.0% 0 0.0% -2 -0.1% -3 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_preprocess 11 3.0% 91 5.9% 70 4.5% 93 5.3% 47 2.7% 0 0.0% -3,696 -2.8% 0 0.0% 0 0.0%
contextual_pre_render_placeholder 0 0.0% -1 -0.1% -1 -0.1% -1 -0.1% -1 -0.1% -8 -0.0% -8 -0.0% 0 0.0% 0 0.0%
contextual_toolbar 0 0.0% -7 -0.5% -5 -0.3% -6 -0.3% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
count 0 0.0% -4 -0.3% -4 -0.3% -20 -1.1% -5 -0.3% 0 0.0% 0 0.0% 200 0.1% 200 0.1%
count@1 0 0.0% -3 -0.2% -3 -0.2% -4 -0.2% -4 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_alpha 0 0.0% 69 4.5% 69 4.5% 23 1.3% 23 1.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_digit 0 0.0% 1 0.1% 1 0.1% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
current 0 0.0% -1 -0.1% -1 -0.1% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
current_path 0 0.0% -40 -2.6% -5 -0.3% -38 -2.2% -10 -0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
custom_block_admin_paths 0 0.0% 3 0.2% 3 0.2% 0 0.0% 0 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 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 16 0.0% 16 0.0% 0 0.0% 0 0.0%
DateTime::createFromFormat 0 0.0% 1 0.1% 1 0.1% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::format 0 0.0% 0 0.0% 0 0.0% -4 -0.2% -4 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::getLastErrors 0 0.0% 0 0.0% 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimestamp 0 0.0% 1 0.1% 1 0.1% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::setTimezone 0 0.0% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
DateTime::__construct 0 0.0% 2 0.1% 2 0.1% 5 0.3% 5 0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTimeZone::__construct 0 0.0% 5 0.3% 5 0.3% -2 -0.1% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
datetime_default_format_type 0 0.0% -43 -2.8% 0 0.0% -7 -0.4% 1 0.1% -160 -0.1% -8 -0.0% 0 0.0% 0 0.0%
datetime_element_info 0 0.0% -103 -6.6% -1 -0.1% -27 -1.5% -3 -0.2% -168 -0.1% -8 -0.0% -3,648 -2.7% 0 0.0%
date_default_timezone_get 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_default_timezone_set 0 0.0% 1 0.1% 1 0.1% 2 0.1% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date_iso8601 0 0.0% 1 0.1% 1 0.1% 1 0.1% 0 0.0% 56 0.0% 40 0.0% 0 0.0% 0 0.0%
date_parse 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 16 0.0% 16 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% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_and 0 0.0% 3 0.2% 3 0.2% 0 0.0% 2 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_delete 0 0.0% 13 0.8% 1 0.1% 17 1.0% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_insert 0 0.0% -19 -1.2% -1 -0.1% -20 -1.1% -3 -0.2% 0 0.0% 0 0.0% 48 0.0% 0 0.0%
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