Issue 9689065: Benchmarkify pointer swapping string encoder

Created:
8 years, 9 months ago by piscisaureus

Modified:
8 years, 9 months ago

Reviewers:

CC:
v8-dev

Visibility:
Public.

Description

Benchmarkify pointer swapping string encoder Also, make the write-utf8 benchmark run on windows. api.cc is somewhat messy now because I landed a lot of stuff in there.

Patch Set 1 #

Created: 8 years, 9 months ago

Download [raw] [tar.bz2]

	Unified diffs	Side-by-side diffs	Stats (+727 lines, -60 lines)			Patch
A	benchmarks/write-utf8-benchmark.cc	View	1 chunk	+250 lines, -0 lines	0 comments	Download
A	benchmarks/write-utf8-benchmark.gyp	View	1 chunk	+45 lines, -0 lines	0 comments	Download
M	include/v8.h	View	1 chunk	+2 lines, -0 lines	0 comments	Download
M	src/api.cc	View	4 chunks	+430 lines, -60 lines	0 comments	Download

Messages

Total messages: 1 (0 generated)

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piscisaureus

8 years, 9 months ago (2012-03-13 17:19:15 UTC) #1

------------------------------------------------------------
Bert's method:

Short Ascii (plenty): 36ms
Short Unicode (plenty): 47ms
Prepend Unicode (plenty): 26ms
Unbalanced left (plenty): 17ms
Unbalanced right (plenty): 11ms
Unbalanced Unicode left (plenty): 12ms
Unbalanced Unicode right (plenty): 12ms
Unbalanced long left (plenty): 14ms
Unbalanced long right (plenty): 13ms
Unbalanced Unicode long left (plenty): 65ms
Unbalanced Unicode long right (plenty): 67ms
Prepend Unbalanced long left (plenty): 16ms
Prepend Unbalanced long right (plenty): 17ms
Unbalanced Unicode long left hint-many (plenty): 65ms
Unbalanced Unicode long right hint-many (plenty): 67ms
Short Ascii (just enough): 15ms
Short Unicode (just enough): 58ms
Prepend Unicode (just enough): 19ms
Unbalanced left (just enough): 11ms
Unbalanced right (just enough): 10ms
Unbalanced Unicode left (just enough): 13ms
Unbalanced Unicode right (just enough): 17ms
Unbalanced long left (just enough): 14ms
Unbalanced long right (just enough): 13ms
Unbalanced Unicode long left (just enough): 163ms
Unbalanced Unicode long right (just enough): 166ms
Prepend Unbalanced long left (just enough): 16ms
Prepend Unbalanced long right (just enough): 17ms
Unbalanced Unicode long left hint-many (just enough): 163ms
Unbalanced Unicode long right hint-many (just enough): 165ms

------------------------------------------------------------
Erik's method:

Short Ascii (plenty): 15ms
Short Unicode (plenty): 44ms
Prepend Unicode (plenty): 16ms
Unbalanced left (plenty): 11ms
Unbalanced right (plenty): 10ms
Unbalanced Unicode left (plenty): 12ms
Unbalanced Unicode right (plenty): 11ms
Unbalanced long left (plenty): 14ms
Unbalanced long right (plenty): 13ms
Unbalanced Unicode long left (plenty): 133ms
Unbalanced Unicode long right (plenty): 141ms
Prepend Unbalanced long left (plenty): 14ms
Prepend Unbalanced long right (plenty): 13ms
Unbalanced Unicode long left hint-many (plenty): 141ms
Unbalanced Unicode long right hint-many (plenty): 155ms
Short Ascii (just enough): 16ms
Short Unicode (just enough): 106ms
Prepend Unicode (just enough): 23ms
Unbalanced left (just enough): 11ms
Unbalanced right (just enough): 11ms
Unbalanced Unicode left (just enough): 14ms
Unbalanced Unicode right (just enough): 23ms
Unbalanced long left (just enough): 15ms
Unbalanced long right (just enough): 14ms
Unbalanced Unicode long left (just enough): 317ms
Unbalanced Unicode long right (just enough): 329ms
Prepend Unbalanced long left (just enough): 14ms
Prepend Unbalanced long right (just enough): 13ms
Unbalanced Unicode long left hint-many (just enough): 319ms
Unbalanced Unicode long right hint-many (just enough): 323ms

Expand Messages | Collapse Messages