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

Run #51ec3b81ad265Run #51ec3c5ab9ae4DiffDiff%
Number of Function Calls52,129 52,343 214 0.4%
Incl. Wall Time (microsec)243,653 244,027 374 0.2%
Incl. CPU (microsecs)230,023 231,082 1,059 0.5%
Incl. MemUse (bytes)16,295,256 16,332,304 37,048 0.2%
Incl. PeakMemUse (bytes)16,433,224 16,470,680 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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