Diff Report
Run #519ffa0e6cdec: XHProf Run (Namespace=drupal-perf-drupalcon)
vs.
Run #519ffa6332b29: XHProf Run (Namespace=drupal-perf-drupalcon)
Tip
Click a function name below to drill down.

Overall Diff Summary

Run #519ffa0e6cdecRun #519ffa6332b29DiffDiff%
Number of Function Calls34,117 34,510 393 1.2%
Incl. Wall Time (microsec)165,355 167,440 2,085 1.3%
Incl. CPU (microsecs)164,010 156,010 -8,000 -4.9%
Incl. MemUse (bytes)12,013,832 12,080,992 67,160 0.6%
Incl. PeakMemUse (bytes)12,124,808 12,193,104 68,296 0.6%

[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%
abs 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%
ajax_pre_render_element 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%
ajax_process_form 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%
apc_fetch 0 0.0% -2 -0.1% -2 -0.1% 4,000 50.0% 4,000 50.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
arg 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 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%
ArrayObject::__construct 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_combine 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_diff 0 0.0% -7 -0.3% -7 -0.3% 4,000 50.0% 4,000 50.0% 8 0.0% 8 0.0% 8 0.0% 8 0.0%
array_diff_key 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%
array_fill_keys 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_filter 0 0.0% 5 0.2% 55 2.6% -4,000 -50.0% 0 0.0% 8 0.0% 0 0.0% 8 0.0% 0 0.0%
array_filter@1 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_flip 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 24 0.0% 24 0.0% 0 0.0% 0 0.0%
array_intersect 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_intersect_key 1 0.3% 12 0.6% 12 0.6% 0 0.0% 0 0.0% 2,304 3.4% 2,304 3.4% 1,088 1.6% 1,088 1.6%
array_keys 7 1.8% -8 -0.4% -8 -0.4% 0 0.0% 0 0.0% 6,160 9.2% 6,160 9.2% 936 1.4% 936 1.4%
array_key_exists 0 0.0% 6 0.3% 6 0.3% -4,001 -50.0% -4,001 -50.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
array_map 0 0.0% 21 1.0% 34 1.6% 4,000 50.0% 0 0.0% -16 -0.0% 0 0.0% 2,248 3.3% 1,864 2.7%
array_merge 1 0.3% 8 0.4% 8 0.4% 0 0.0% 0 0.0% 4,000 6.0% 4,000 6.0% 3,704 5.4% 3,704 5.4%
array_pop 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_replace 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_reverse 7 1.8% 1 0.0% 1 0.0% 0 0.0% 0 0.0% 616 0.9% 616 0.9% 0 0.0% 0 0.0%
array_shift 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_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% 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_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 -0.2% -4 -0.2% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
bartik_menu_tree 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%
bartik_preprocess_html 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%
bartik_preprocess_node 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%
bartik_preprocess_page 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%
bartik_process_html 0 0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
bartik_process_page 0 0.0% -6 -0.3% 1 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% 23 1.1% 23 1.1% 4,000 50.0% 4,000 50.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
base_convert 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_path 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%
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% 149 7.1% -2 -0.1% -4,000 -50.0% 0 0.0% 16 0.0% 0 0.0% 40 0.1% 0 0.0%
block_help 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%
block_list 0 0.0% 71 3.4% 3 0.1% -4,000 -50.0% 0 0.0% 16 0.0% 0 0.0% 312 0.5% 0 0.0%
block_page_build 0 0.0% 215 10.3% 6 0.3% 0 0.0% 0 0.0% 16 0.0% 0 0.0% 40 0.1% 0 0.0%
breakpoint_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%
cache 0 0.0% 72 3.5% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
call_user_func 0 0.0% 2,038 97.7% -6 -0.3% 4,001 50.0% 0 0.0% 65,152 97.0% 0 0.0% 66,928 98.0% 0 0.0%
call_user_func@1 0 0.0% -84 -4.0% -7 -0.3% -4,000 -50.0% 0 0.0% 8 0.0% 0 0.0% 0 0.0% 0 0.0%
call_user_func_array 0 0.0% -49 -2.4% 41 2.0% -4,001 -50.0% 0 0.0% 3,632 5.4% 0 0.0% -10,704 -15.7% 0 0.0%
call_user_func_array@1 0 0.0% -89 -4.3% -9 -0.4% -1 -0.0% 0 0.0% 3,592 5.3% 16 0.0% 3,568 5.2% 16 0.0%
call_user_func_array@2 0 0.0% 236 11.3% 3 0.1% -4,000 -50.0% 0 0.0% 3,608 5.4% 0 0.0% 3,584 5.2% 0 0.0%
call_user_func_array@3 0 0.0% 39 1.9% 0 0.0% 0 0.0% 0 0.0% 3,608 5.4% 0 0.0% 4,136 6.1% 0 0.0%
ceil 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%
check_plain 0 0.0% -87 -4.2% -73 -3.5% -8,001 -100.0% -8,001 -100.0% -16 -0.0% 0 0.0% 544 0.8% 144 0.2%
chr 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%
class_exists 2 0.5% 89 4.3% 17 0.8% 0 0.0% 0 0.0% -16 -0.0% 16 0.0% -16 -0.0% 0 0.0%
class_implements 0 0.0% 4 0.2% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% -88 -0.1% -56 -0.1%
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%
comment_get_thread 0 0.0% -17 -0.8% -9 -0.4% 0 0.0% 0 0.0% -8 -0.0% -16 -0.0% 8 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_links 0 0.0% 123 5.9% 1 0.0% 4,001 50.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_load_multiple 0 0.0% 43 2.1% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% -16 -0.0% 0 0.0%
comment_node_load 0 0.0% 0 0.0% -2 -0.1% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_node_page_additions 0 0.0% 337 16.2% 2 0.1% -4,000 -50.0% 0 0.0% -8 -0.0% 0 0.0% -32 -0.0% 0 0.0%
comment_node_view 0 0.0% 234 11.2% -2 -0.1% -4,000 -50.0% 0 0.0% 3,608 5.4% 0 0.0% 3,584 5.2% 0 0.0%
comment_prepare_author 0 0.0% -6 -0.3% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_prepare_thread 0 0.0% -25 -1.2% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_preprocess_block 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%
comment_rdf_mapping 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_uri 0 0.0% -3 -0.1% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
comment_view_multiple 0 0.0% 328 15.7% 0 0.0% -4,000 -50.0% 0 0.0% 0 0.0% 0 0.0% -24 -0.0% 0 0.0%
config 0 0.0% -228 -10.9% 9 0.4% -8,000 -100.0% 0 0.0% 0 0.0% 0 0.0% 16 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% 4 0.2% 0 0.0% 0 0.0% 0 0.0% 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% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_custom_theme 0 0.0% 1 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
contextual_element_info 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_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% 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_preprocess 7 1.8% 124 5.9% 88 4.2% 0 0.0% 0 0.0% 1,064 1.6% -5,088 -7.6% 1,472 2.2% -168 -0.2%
contextual_pre_render_placeholder 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%
count 0 0.0% 15 0.7% 13 0.6% 0 0.0% 0 0.0% -8 -0.0% -8 -0.0% -8 -0.0% -8 -0.0%
count@1 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%
ctype_digit 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%
current 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%
current_path 0 0.0% 43 2.1% 11 0.5% 0 0.0% 0 0.0% 0 0.0% 0 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 -0.0% -1 -0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
date 0 0.0% -9 -0.4% -9 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
DateTime::format 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::getLastErrors 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%
DateTime::setTimestamp 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% 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::__construct 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%
DateTimeZone::__construct 0 0.0% 15 0.7% 15 0.7% 0 0.0% 0 0.0% 8 0.0% 8 0.0% 8 0.0% 8 0.0%
datetime_default_format_type 0 0.0% 238 11.4% -1 -0.0% 0 0.0% 0 0.0% 16 0.0% 0 0.0% 16 0.0% 0 0.0%
datetime_element_info 0 0.0% 240 11.5% 1 0.0% 0 0.0% 0 0.0% 16 0.0% 0 0.0% 16 0.0% 0 0.0%
date_default_timezone_get 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%
date_default_timezone_set 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%
date_iso8601 0 0.0% -9 -0.4% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0% 0 0.0%
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