Diff Report
Run #51ec3c5ab9ae4: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #51ec3b81ad265: XHProf Run (Namespace=drupal-perf-drupalcon)
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Overall Diff Summary

Run #51ec3c5ab9ae4Run #51ec3b81ad265DiffDiff%
Number of Function Calls52,343 52,129 -214 -0.4%
Incl. Wall Time (microsec)244,027 243,653 -374 -0.2%
Incl. CPU (microsecs)231,082 230,023 -1,059 -0.5%
Incl. MemUse (bytes)16,332,304 16,295,256 -37,048 -0.2%
Incl. PeakMemUse (bytes)16,470,680 16,433,224 -37,456 -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% -1 -0.3% -1 -0.3% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ajax_process_form 0 0.0% -2 -0.5% -1 -0.3% -6 -0.6% -5 -0.5% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
apc_fetch 0 0.0% 12 3.2% 12 3.2% 19 1.8% 19 1.8% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
arg 0 0.0% -2 -0.5% -2 -0.5% -3 -0.3% -5 -0.5% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ArrayIterator::__construct 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%
ArrayObject::exchangeArray 0 0.0% 3 0.8% 3 0.8% -1 -0.1% -1 -0.1% 24 0.1% 24 0.1% 0 0.0% 0 0.0%
ArrayObject::__construct 0 0.0% -1 -0.3% -1 -0.3% -2 -0.2% -2 -0.2% 8 0.0% 8 0.0% -48 -0.1% -48 -0.1%
array_combine 0 0.0% 3 0.8% 3 0.8% 4 0.4% 4 0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_diff 0 0.0% 2 0.5% 2 0.5% 11 1.0% 11 1.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_diff_key 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_fill_keys 0 0.0% -2 -0.5% -2 -0.5% -3 -0.3% -3 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_filter 0 0.0% 324 86.6% 41 11.0% 178 16.8% 44 4.2% -24 -0.1% 0 0.0% -24 -0.1% 0 0.0%
array_filter@1 0 0.0% 29 7.8% 28 7.5% 29 2.7% 28 2.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_flip 0 0.0% 29 7.8% 29 7.8% 33 3.1% 33 3.1% 0 0.0% 0 0.0% -416 -1.1% -416 -1.1%
array_intersect 0 0.0% 1 0.3% 1 0.3% 2 0.2% 2 0.2% 0 0.0% 0 0.0% -80 -0.2% -80 -0.2%
array_intersect_key -1 -0.5% -2 -0.5% -2 -0.5% 26 2.5% 26 2.5% -2,472 -6.7% -2,472 -6.7% -1,144 -3.1% -1,144 -3.1%
array_keys -1 -0.5% -35 -9.4% -35 -9.4% -27 -2.5% -27 -2.5% -352 -1.0% -352 -1.0% 24 0.1% 24 0.1%
array_key_exists -21 -9.8% 18 4.8% 18 4.8% -51 -4.8% -51 -4.8% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_map 0 0.0% -13 -3.5% 7 1.9% -17 -1.6% 27 2.5% 8 0.0% 32 0.1% -64 -0.2% -64 -0.2%
array_merge -1 -0.5% 2 0.5% 2 0.5% 9 0.8% 9 0.8% -4,160 -11.2% -4,160 -11.2% -3,464 -9.2% -3,464 -9.2%
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 -0.2% -2 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_replace 0 0.0% 3 0.8% 3 0.8% -5 -0.5% -5 -0.5% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_reverse -1 -0.5% -2 -0.5% -2 -0.5% -7 -0.7% -7 -0.7% -88 -0.2% -88 -0.2% 544 1.5% 544 1.5%
array_shift 0 0.0% -1 -0.3% -1 -0.3% 17 1.6% 17 1.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_slice 0 0.0% 0 0.0% 0 0.0% 7 0.7% 7 0.7% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unique 0 0.0% 0 0.0% 0 0.0% -5 -0.5% -5 -0.5% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_unshift 0 0.0% -3 -0.8% -3 -0.8% -2 -0.2% -2 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_values 0 0.0% -1 -0.3% -1 -0.3% 2 0.2% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base64_encode 0 0.0% -2 -0.5% -2 -0.5% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
basename 0 0.0% -3 -0.8% -3 -0.8% -2 -0.2% -2 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base_convert 0 0.0% 1 0.3% 1 0.3% 0 0.0% 0 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% -3 -0.3% -3 -0.3% 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% 1,206 322.5% -3 -0.8% 472 44.6% 5 0.5% -832 -2.2% 0 0.0% -984 -2.6% 0 0.0%
block_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%
block_list 0 0.0% -81 -21.7% 9 2.4% -185 -17.5% 11 1.0% -8 -0.0% 0 0.0% -96 -0.3% 0 0.0%
block_page_build 0 0.0% 1,205 322.2% -2 -0.5% 470 44.4% -1 -0.1% -832 -2.2% 0 0.0% -984 -2.6% 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% 10 2.7% -2 -0.5% 6 0.6% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
cache 0 0.0% 18 4.8% 8 2.1% 10 0.9% -5 -0.5% 8 0.0% 0 0.0% -32 -0.1% 0 0.0%
call_user_func 0 0.0% -520 -139.0% -10 -2.7% -1,216 -114.8% -4 -0.4% -37,208 -100.4% 8 0.0% -37,736 -100.7% 0 0.0%
call_user_func@1 0 0.0% -556 -148.7% -39 -10.4% -626 -59.1% -45 -4.2% 40 0.1% 0 0.0% 1,992 5.3% 752 2.0%
call_user_func@2 0 0.0% 51 13.6% -1 -0.3% 52 4.9% 1 0.1% 0 0.0% 0 0.0% 24 0.1% 0 0.0%
call_user_func_array 0 0.0% -1,012 -270.6% -20 -5.3% -1,185 -111.9% 3 0.3% -808 -2.2% -16 -0.0% -224 -0.6% -16 -0.0%
call_user_func_array@1 0 0.0% 51 13.6% 2 0.5% 50 4.7% 6 0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
check_plain 0 0.0% 12 3.2% 8 2.1% 14 1.3% 7 0.7% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
chr 0 0.0% -1 -0.3% -1 -0.3% -5 -0.5% -5 -0.5% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
class_exists -1 -0.5% 101 27.0% 10 2.7% 100 9.4% 7 0.7% 72 0.2% 0 0.0% 216 0.6% 0 0.0%
class_implements 0 0.0% -2 -0.5% -2 -0.5% -7 -0.7% -6 -0.6% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_css_alter 0 0.0% 3 0.8% 3 0.8% 3 0.3% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_help 0 0.0% 0 0.0% 0 0.0% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
color_preprocess_page 0 0.0% 187 50.0% 0 0.0% 82 7.7% 3 0.3% 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% -27 -7.2% -20 -5.3% -29 -2.7% -4 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_preprocess_block 0 0.0% 0 0.0% 0 0.0% 2 0.2% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
config 0 0.0% 17 4.5% 4 1.1% 1 0.1% -12 -1.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
config_get_config_directory 0 0.0% 0 0.0% 0 0.0% 0 0.0% 1 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% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
conf_path 0 0.0% 4 1.1% 3 0.8% 5 0.5% 7 0.7% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contact_help 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%
contextual_element_info 0 0.0% 1 0.3% 1 0.3% -1 -0.1% -1 -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% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_library_info 0 0.0% 0 0.0% -1 -0.3% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_page_build 0 0.0% -22 -5.9% -1 -0.3% -21 -2.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_preprocess -1 -0.5% 17 4.5% 1 0.3% 17 1.6% -5 -0.5% -8 -0.0% 336 0.9% 0 0.0% 0 0.0%
contextual_pre_render_placeholder 0 0.0% 0 0.0% 0 0.0% 3 0.3% 3 0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_toolbar 0 0.0% -2 -0.5% -2 -0.5% -1 -0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
count 0 0.0% -12 -3.2% -3 -0.8% 42 4.0% 40 3.8% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
count@1 0 0.0% -9 -2.4% -9 -2.4% -10 -0.9% -10 -0.9% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_alpha 0 0.0% -4 -1.1% -4 -1.1% -2 -0.2% -2 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
ctype_digit -20 -9.3% -3 -0.8% -3 -0.8% -20 -1.9% -20 -1.9% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
current 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%
current_path 0 0.0% -22 -5.9% -8 -2.1% -15 -1.4% 0 0.0% -16 -0.0% -16 -0.0% 0 0.0% 0 0.0%
custom_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%
custom_block_menu_local_tasks 0 0.0% -1 -0.3% 0 0.0% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::createFromFormat 0 0.0% 1 0.3% 1 0.3% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::format 0 0.0% -3 -0.8% -3 -0.8% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::getLastErrors 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%
DateTime::setTimezone 0 0.0% -1 -0.3% -1 -0.3% 1 0.1% 1 0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::__construct 0 0.0% 1 0.3% 1 0.3% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTimeZone::__construct 0 0.0% -2 -0.5% -2 -0.5% 2 0.2% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
datetime_default_format_type 0 0.0% 14 3.7% -1 -0.3% 2 0.2% 5 0.5% 8 0.0% 0 0.0% 8 0.0% 0 0.0%
datetime_element_info 0 0.0% 8 2.1% 0 0.0% -21 -2.0% -2 -0.2% 8 0.0% 0 0.0% 8 0.0% 0 0.0%
date_default_timezone_set 0 0.0% 1 0.3% 1 0.3% 2 0.2% 2 0.2% 0 0.0% 0 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% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_help 0 0.0% 0 0.0% 0 0.0% -1 -0.1% -1 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
dblog_page_build 0 0.0% -1 -0.3% -1 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_and 0 0.0% 3 0.8% 3 0.8% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_delete 0 0.0% -5 -1.3% -2 -0.5% -5 -0.5% -1 -0.1% -16 -0.0% 0 0.0% -16 -0.0% 0 0.0%
db_insert 0 0.0% -30 -8.0% 0 0.0% -32 -3.0% 0 0.0% 0 0.0% 0 0.0% -16 -0.0% 0 0.0%
db_query 0 0.0% -2 -0.5% -1 -0.3% -1 -0.1% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_query_range 0 0.0% -2 -0.5% 0 0.0% -2 -0.2% -3 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
db_select 0 0.0% -2 -0.5% 0 0.0% -3 -0.3% -2 -0.2% -16 -0.0% 0 0.0% 0 0.0% 0 0.0%
decode_entities 0 0.0% 1 0.3% 0 0.0% 1 0.1% 0 0.0% -32 -0.1% 0 0.0% 0 0.0% 0 0.0%
define 0 0.0% 2 0.5% 2 0.5% -4 -0.4% -4 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
defined 0 0.0% -1 -0.3% -1 -0.3% -2 -0.2% -2 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DirectoryIterator::getBasename 0 0.0% 0 0.0% 0 0.0% 2 0.2% 2 0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DirectoryIterator::getFilename 0 0.0% 1 0.3% 1 0.3% -4 -0.4% -4 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DirectoryIterator::__construct 0 0.0% -2 -0.5% -2 -0.5% -3 -0.3% -3 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
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