[B! C] yassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

yass id:yass

Cã«é–¢ã™ã‚‹yassã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (31)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ã‚„ã‚Šç›´ã—Cè¨€èªžï¼šè¤‡é›‘ãªå®£è¨€ã®èªã¿æ–¹
Cè¨€èªžã¯å®£è¨€æ–‡ãŒéžå¸¸ã«èªã¿ã«ãã„ã“ã¨ã§æœ‰åã§ã€å¾Œç™ºã®Goè¨€èªžã¯ã“ã‚Œã‚’æ‰¹åˆ¤ã—ã¦å®£è¨€ã®æ§‹æ–‡ã‚’å¤‰ãˆã¦ã„ã¾ã™ã€‚ç§ã‚‚ãšã£ã¨èªã‚€ã®ãŒè‹¦æ‰‹ã ã£ãŸã®ã§ã™ãŒã€ç§ã®é ãŒæ‚ªã„ã®ã§ã¯ãªãã€Cè¨€èªžã®ä»•æ§˜ãŒãƒ˜ãƒ³ã€ã¨ã„ã†ã“ã¨ã‚‰ã—ã„ã€‚ ä»Šã¾ã§é£½ãã‚‹ã»ã©ã“ã®æ‰‹ã®è§£èª¬ã¯æ›¸ã‹ã‚Œã¦ãã¦ã‚‹ã‚ã‘ã§ã™ãŒã€è‡ªåˆ†ãªã‚Šã«ã¾ã¨ã‚ãªã„ã¨è¦šãˆãŸæ°—ãŒã—ãªã„ã®ã§ã€ã‚ãˆã¦ã¾ã¨ã‚ã¦ãŠãã¾ã™ã€‚ã“ã“ã«æ›¸ã„ã¦ã‚ã‚‹å†…å®¹ã¯ã€ã€ŒCè¨€èªžãƒã‚¤ãƒ³ã‚¿å®Œå…¨åˆ¶è¦‡ã€ã«è©³ã—ãæ›¸ã„ã¦ã‚ã‚Šã¾ã™ã€‚ åž‹ã®æ´¾ç”Ÿ Cè¨€èªžã§ã¯ã€int, char, floatãªã©ã®åŸºæœ¬åž‹ã‹ã‚‰ã€é…åˆ—ã‚„ãƒã‚¤ãƒ³ã‚¿ã‚’æ´¾ç”Ÿã—ã¦ã„ãã“ã¨ãŒã§ãã¾ã™ã€‚å¯¾è±¡ã‚’ä¸¦ã¹ãŸã‚‚ã®ãŒé…åˆ—ã§ã€å¯¾è±¡ã‚’æŒ‡ã—ç¤ºã™ã®ãŒãƒã‚¤ãƒ³ã‚¿ã§ã™ã€‚ é…åˆ—ã‚„ãƒã‚¤ãƒ³ã‚¿ã‹ã‚‰ã‚‚é…åˆ—ã‚„ãƒã‚¤ãƒ³ã‚¿ã‚’æ´¾ç”Ÿã§ãã‚‹ã®ã§ã€æ´¾ç”Ÿãƒ‘ã‚¿ãƒ¼ãƒ³ã¯ç„¡é™ã«å˜åœ¨ã—ã¾ã™ã€‚ int intã€€ã®é…åˆ— intã€€ã®é…åˆ—ã€€ã®é…åˆ— ... intã€€ã¸ã®ãƒã‚¤ãƒ³ã‚¿ intã€€ã¸ã®ãƒã‚¤ãƒ³ã‚¿ã€€ã¸ã®ãƒã‚¤ãƒ³ã‚¿ ... intã€€ã¸ã®
yass 2015/09/23
c

pointer
ãƒªãƒ³ã‚¯
Facebookã€é™çš„è§£æžãƒ„ãƒ¼ãƒ«Inferã‚’ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹åŒ–
Spring Bootã«ã‚ˆã‚‹APIãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰æ§‹ç¯‰å®Ÿè·µã‚¬ã‚¤ãƒ‰ ç¬¬2ç‰ˆ ä½•åƒäººã‚‚ã®é–‹ç™ºè€…ãŒã€InfoQã®ãƒŸãƒ‹ãƒ–ãƒƒã‚¯ã€ŒPractical Guide to Building an API Back End with Spring Bootã€ã‹ã‚‰ã€Spring Bootã‚’ä½¿ã£ãŸREST APIæ§‹ç¯‰ã®åŸºç¤Žã‚’å¦ã‚“ã ã€‚ã“ã®æœ¬ã§ã¯ã€å‡ºç‰ˆæ™‚ã«æ–°ã—ããƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã‚ã‚‹ Spring Boot 2 ã‚’ä½¿ç”¨ã—ã¦ã„ã‚‹ã€‚ã—ã‹ã—ã€Spring Boot3ãŒæœ€è¿‘ãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã€é‡è¦ãªå¤‰...
yass 2015/06/24
" ç¾åœ¨ã®ã¨ã“ã‚ã€Nullãƒã‚¤ãƒ³ã‚¿ã‚¢ã‚¯ã‚»ã‚¹ã€ãƒªã‚½ãƒ¼ã‚¹ãŠã‚ˆã³ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’æ•™ãˆã¦ãã‚Œã‚‹ã€‚Inferã¯Cã€Javaã€Objective-Cã§æ›¸ã‹ã‚ŒãŸã‚³ãƒ¼ãƒ‰ã«å¯¾ã—ã¦å®Ÿè¡Œã§ãã‚‹ "

Facebook

source code

java

c
ãƒªãƒ³ã‚¯
ã€Œç§ãŒJuliaã‚’æŽ¨ã™ç†ç”±ã€ï¼ˆç¿»è¨³ï¼‰ - ã‚¢ãƒ‰ãƒ•ã‚¡ã‚¤ãƒ–æ—¥è¨˜ï¼ˆãƒŸãƒ©ãƒ¼ç‰ˆï¼‰
Juliaã«ã¤ã„ã¦æ›¸ã‹ã‚ŒãŸæµ·å¤–ã®ãƒ–ãƒã‚°è¨˜äº‹ã§ã¨ã¦ã‚‚å…±æ„Ÿã—ãŸã‚‚ã®ãŒã‚ã£ãŸã®ã§ãƒ–ãƒã‚°ä¸»ã«ç„¡æ–ã§ç¿»è¨³ã—ãŸã‚‚ã®ã‚’æŽ²è¼‰ã—ã¾ã™ã€‚ï¼ˆã‚‚ã—å•é¡Œã‚ã‚Šã¾ã—ãŸã‚‰ã”é€£çµ¡ãã ã•ã„ã€‚ï¼‰ ã“ã®ãƒ–ãƒã‚°ã®è‘—è€…ã¯Evan Milleræ°ã¨ã„ã†ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢é–‹ç™ºè€…ã§Wizardã¨ã„ã†ã‹ãªã‚Šã‚¤ã‚±ã¦ãã†ãªçµ±è¨ˆåˆ†æžãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚½ãƒ•ãƒˆã‚’å°‚æ¥ã§é–‹ç™ºã—ã¦ã„ã‚‹äººã¿ãŸã„ã§ã™ã€‚ãƒ•ãƒªãƒ¼ãƒ©ãƒ³ã‚¹ãªã®ã‹ãªã€‚è€ƒãˆæ–¹ã‚‚ç’°å¢ƒã‚‚ãã—ã¦ã‚‚ã—ã‹ã—ãŸã‚‰å¹´é½¢ã‚‚åƒ•ã¨ä¼¼ã¦ã„ã‚‹äººãªã®ã‹ã‚‚ã—ã‚Œãªã„ã€‚ ã€Œç§ãŒJuliaã‚’æŽ¨ã™ç†ç”±ã€ï¼ˆ2014/1/23ï¼‰ æ®†ã©ã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã®å•é¡Œã¯ãã‚Œã‚‰ãŒè¨€èªžã‚®ãƒ¼ã‚¯ã«ã‚ˆã£ã¦ã¤ãã‚‰ã‚Œã¦ã„ã‚‹ã“ã¨ã ã€‚å½¼ã‚‰ã¯ç§ãªã‚‰ã»ã¨ã‚“ã©æ°—ã«ã—ãªã„ã‚ˆã†ã“ã¨ã«å‚¾æ³¨ã—ãŒã¡ã ã€‚å®‰å…¨æ€§ã€åž‹ã‚·ã‚¹ãƒ†ãƒ ã€åŒå›³åƒæ€§ã€ãªã©ãªã©ã€‚ç§ã¯ãã†ã„ã†ã‚‚ã®ãŒç¢ºã‹ã«ç´ æ™´ã‚‰ã—ã„ã¨æ€ã£ã¦ã¯ã„ã‚‹ãŒã€æ–°ã—ã„ï¼ˆè¨³æ³¨ï¼šãã†ã„ã†æ–°ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã¨ã‹ã®ï¼‰ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚’èˆˆå‘³æœ¬ä½ã§æ¼ã£ã¦ã¿ã‚‹éš›ã«é–¢å¿ƒãŒã‚ã‚‹ã®ã¯ï¼ˆï¼‘ï¼‰
yass 2015/06/05
" æœ€åˆã«ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ—ã‚’ä½œã£ã¦ã‹ã‚‰ãƒžãƒ«ãƒã‚³ã‚¢ã‚„SIMDã§ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’æœ€é©åŒ–ã™ã‚‹ã¾ã§ã‚’Juliaã ã‘ã§å‡ºæ¥ã¡ã‚ƒã†ã®ãŒç¾å®Ÿçš„ãªãƒ™ãƒãƒ•ã‚£ãƒƒãƒˆãªã®ã ã€‚"

julia

c
ãƒªãƒ³ã‚¯
Statsite by armon - A C implementation of statsd
Statsite is a metrics aggregation server. Statsite is based heavily on Etsy's StatsD https://github.com/etsy/statsd, and is wire compatible. Features Multiple metric types Key / Value Gauges Counters Timers Sets Efficient summary metrics for timer data: Mean Min/Max Standard deviation Median, Percentile 95, Percentile 99 Histograms Dynamic set implementation: Exactly counts for small sets HyperLog
yass 2014/07/30
" Statsite is designed to be both highly performant, and very flexible. To achieve this, it implements the stats collection and aggregation in pure C, using libev to be extremely fast. This allows it to handle hundreds of connections, and millions of metrics. "

statsd

c

udp

influxdb
ãƒªãƒ³ã‚¯
ãŠã‚Œã®Cè¨€èªžãŒã“ã‚“ãªã«é…ã„ã‚ã‘ãŒãªã„ï¼ã€œãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžé€Ÿåº¦æ¯”è¼ƒãƒ‘ãƒ¼ãƒˆ2 ã€ŒCã€vsã€ŒJavaã€ã€œ | æ ªå¼ä¼šç¤¾ãƒ¡ã‚¤ãƒ—ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚º
ã“ã‚“ã«ã¡ã¯ã€è¥¿å±±ã§ã™ã€‚ ä»Šæ—¥ã¯å‰å›žæ›¸ã„ãŸè¨˜äº‹ ä¿ºã®è¨€èªžãŒã“ã‚“ãªã«é…ã„ã‚ã‘ãŒãªã„ï¼ï¼Ÿ ã€œC, Java, PHP, Python, Rubyã«ã‚ˆã‚‹ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªž é€Ÿåº¦æ¯”è¼ƒã€œ ã®ç¶šç·¨ã‚’æ›¸ã„ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚æœªèªã®æ–¹ã¯ã“ã¡ã‚‰ã‚’æ–œã‚èªã¿ã—ã¦ã‹ã‚‰ã®ã»ã†ãŒã‚ˆã„ã‹ã‚‚ã—ã‚Œãªã„ã§ã™ã€‚ ã“ã®è¨˜äº‹ã§ã™ãŒã€ã€Œé•·ã™ãŽã ã‚ˆã€‚3è¡Œã§é ¼ã‚€ã€‚ã€ã¨ã„ã†æ–¹ã®ãŸã‚ã«3è¡Œã§æ›¸ãã¨ã€ C ãƒ—ãƒã‚°ãƒ©ãƒ ã‚ˆã‚Š Java ãƒ—ãƒã‚°ãƒ©ãƒ ã®ã»ã†ãŒå®Ÿè¡Œé€Ÿåº¦ãŒé€Ÿã„ã“ã¨ãŒã‚ã‚Šã¾ã—ãŸã€‚ ãã‚Œã¯ã€Java ã® JIT ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ãŒåƒã„ã¦æœ€é©åŒ–ã•ã‚ŒãŸãƒã‚¤ãƒ†ã‚£ãƒ–ã‚³ãƒ¼ãƒ‰ãŒç”Ÿæˆãƒ»å®Ÿè¡Œã•ã‚Œã¦ã„ãŸã‹ã‚‰ã§ã™ã€‚ C ã®ã»ã†ã‚‚ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ™‚ã«ãã¡ã‚“ã¨æœ€é©åŒ–ã™ã‚Œã° Java ã”ã¨ãã«é€Ÿã•ã§è² ã‘ã‚‹ã“ã¨ã¯ã‚ã‚Šã¾ã›ã‚“ï¼ ã¨ã„ã†å†…å®¹ã§ã™ã€‚é•·ã„è¨˜äº‹ã«ãŠä»˜ãåˆã„ãã ã•ã‚‹æ–¹ã¯ä»¥ä¸‹ã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚ å‰å›žã®ã‚ã‚‰ã™ã˜ãƒ»ãƒ»ãƒ» å‰å›žã®è¨˜äº‹ã§ã¯ã„ã‚ã„ã‚ãªãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°è¨€èªžã§æ›¸ã„ãŸãƒ—ãƒã‚°ãƒ©
yass 2014/04/15
java

c

jit

assembly
ãƒªãƒ³ã‚¯
Getting good performance in Go by rewriting parts in C? â€“ Daniel Lemire's blog
yass 2014/02/15
golang

c

performance
ãƒªãƒ³ã‚¯
è»½é‡ãƒ»ã‚·ãƒ³ãƒ—ãƒ«ãªHTTPã‚µãƒ¼ãƒMongooseã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³• Â· DQNEOæ—¥è¨˜
ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«æ–¹æ³•(Linux) git clone git://github.com/cesanta/mongoose.git cd mongoose/build/ make unix ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’ã¨ã£ã¦ãã¦make unixã™ã‚‹ã ã‘ã§ã™ã€‚ ç°¡å˜ã§ã™ãâ˜† èµ·å‹•ã™ã‚‹ ./mongoose ã“ã‚Œã ã‘!! ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆã§ã¯8080ãƒãƒ¼ãƒˆã§ã€ã‚«ãƒ¬ãƒ³ãƒˆãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãŒãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãƒ«ãƒ¼ãƒˆã«ãªã‚Šã¾ã™ã€‚ ãƒãƒ¼ãƒˆç•ªå·ã‚„ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãƒ«ãƒ¼ãƒˆã‚’å¤‰æ›´ã—ãŸã„å ´åˆã¯ã‚ªãƒ—ã‚·ãƒ§ãƒ³ã§ ./mongoose -listening_ports 8888 -document_root /path/to/www ãªã©ã™ã‚Œã°OKã§ã™ã€‚ ãã®ä»–ã‚ªãƒ—ã‚·ãƒ§ãƒ³ ä»–ã«ã‚‚ã‚ªãƒ—ã‚·ãƒ§ãƒ³ãŒã„ã‚ã„ã‚ã‚ã‚Šã¾ã™ã€‚ ãƒ˜ãƒ«ãƒ—ã¯ã“ã‚“ãªæ„Ÿã˜ã€‚ ./mongoose --help Mongoose version 4.2 (c) Sergey Lyubka, built
yass 2013/11/03
" å®Ÿè£…ã‚‚ã‚·ãƒ³ãƒ—ãƒ«ã§å®Ÿä½“ã¯mongoose.cã®ï¼‘ãƒ•ã‚¡ã‚¤ãƒ«ã®ã¿ã€ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰6000è¡Œã€‚ HTTPã‚µãƒ¼ãƒã‚’ã¡ã‚‡ã“ã£ã¨ãŸã¦ãŸã„ã€ã§ã‚‚Apacheã‚„Nginxã‚’å…¥ã‚Œã‚‹ã®ã¯å¤§ã’ã•ã ãªã‚ã€ã¨ã„ã†ã¨ãã«ä¾¿åˆ©ã§ã™ã€‚"

httpd

c
ãƒªãƒ³ã‚¯
Shoshanna Raven - Creator Of Vortex & Living Brave
In the fast-paced world of personal development, one woman has continually stood outâ€”Shoshanna Raven. Her influence extends beyond coaching sessions. Her retreats are transf ormative, and her message of â€˜Living Braveâ€™ has resonated deeply with countless individuals. But what makes her leadership so impactful? The answer lies in the voices of those who have walked the path with herâ€”her clients. Rave
yass 2013/09/21
" Sophia is a modern embeddable key-value database designed for a high load environment. It has unique architecture that was created as a result of research and rethinking of primary algorithmical constraints, associated with a getting popular Log-file based data structures, such as LSM-tree. "

database

c

leveldb

sstable

index
ãƒªãƒ³ã‚¯
How to get C like performance in Java
Understanding how Core Java really works can help you write simpler, faster applications. OverviewJava has many areas which can be slow. However for every probl em there is a solution. Many solutions/hacks require working around Java's protections but if you need low level performance it is still possible. Java makes high level programming simpler and easier at the cost of making low level programm
yass 2013/08/16
" Don't use Selectors / they just add complexity. Most systems can handle 1K-10K threads efficiently / use Direct ByteBuffers and Object recycling techniques to minimise your object creation. By increasing the Eden size you can have an application which rarely GCs."

java

c

performance

unsafe

c10k

primitive

gc

thread

NIO

offheap
ãƒªãƒ³ã‚¯
ã‚¤ãƒ³ãƒ†ãƒ«Â® ãƒžã‚¹ãƒ»ã‚«ãƒ¼ãƒãƒ«ãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãƒ¼ (ã‚¤ãƒ³ãƒ†ãƒ«Â® MKL) ã® Java ã‚µãƒ³ãƒ—ãƒ«
ã‚¤ãƒ³ãƒ†ãƒ«Â® ãƒžã‚¹ãƒ»ã‚«ãƒ¼ãƒãƒ«ãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãƒ¼ (ã‚¤ãƒ³ãƒ†ãƒ«Â® MKL) ã«ã¯ä»¥ä¸‹ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ¼ã«ã•ã¾ã–ã¾ãª Java ã®ã‚µãƒ³ãƒ—ãƒ«ãŒå«ã¾ã‚Œã¦ã„ã¾ã™ã€‚ <mkl ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ¼>/examples/java. ä»¥ä¸‹ã®ã‚¤ãƒ³ãƒ†ãƒ«Â® MKL é–¢æ•°ç”¨ã®ã‚µãƒ³ãƒ—ãƒ«ãŒæä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚ CBLAS ã® ?gemmã€ ?gemvã€ ãŠã‚ˆã³ ?dot ãƒ•ã‚¡ãƒŸãƒªãƒ¼ éžã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼ FFT é–¢æ•°ã®å®Œå…¨ãªã‚»ãƒƒãƒˆ 1 æ¬¡å…ƒã®ç•³ã¿è¾¼ã¿/ç›¸é–¢ç”¨ ESSL1 å½¢å¼ã®é–¢æ•° ãƒ¦ãƒ¼ã‚¶ãƒ¼å®šç¾©ã®ã‚‚ã®ã¨ãƒ•ã‚¡ã‚¤ãƒ«ãƒ»ã‚µãƒ–ãƒ«ãƒ¼ãƒãƒ³ã‚’é™¤ã VSL ä¹±æ•°ç”Ÿæˆå™¨ (RNG) GetErrorCallBackã€ SetErrorCallBackã€ ãŠã‚ˆã³ ClearErrorCallBack ã‚’é™¤ã VML é–¢æ•° ã‚µãƒ³ãƒ—ãƒ«ã®ã‚½ãƒ¼ã‚¹ã¯ä»¥ä¸‹ã®ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ¼ã«ã‚ã‚Šã¾ã™ã€‚ <mkl ãƒ‡ã‚£ãƒ¬ã‚¯ãƒˆãƒªãƒ¼>/examples/java/examples. ã‚µãƒ³ãƒ—ãƒ«ã¯ Ja
yass 2013/08/14
" Java Native Interface (JNI) ã‚’ä½¿ç”¨ã—ã¦ã‚¤ãƒ³ãƒ†ãƒ«Â® MKL ã¨ãƒã‚¤ãƒ³ãƒ‰ / ãƒã‚¤ãƒ†ã‚£ãƒ– float ãŠã‚ˆã³ double ãƒ‡ãƒ¼ã‚¿åž‹ã¯ã€JNI jfloat ãŠã‚ˆã³ jdouble ãƒ‡ãƒ¼ã‚¿åž‹ã¨ãã‚Œãžã‚ŒåŒã˜ã§ã‚ã‚‹å¿…è¦ / ãƒã‚¤ãƒ†ã‚£ãƒ– int ãƒ‡ãƒ¼ã‚¿åž‹ã¯ã€4 ãƒã‚¤ãƒˆé•· "

intel

MKL

java

library

JNI

C
ãƒªãƒ³ã‚¯
SSEã¨AVXã§é«˜æ¬¡å…ƒãƒ™ã‚¯ãƒˆãƒ«ã®å†…ç©è¨ˆç®—ã‚’é«˜é€ŸåŒ–ã—ã¦ã¿ãŸ | ã•ã‹ãªå‰ç·š
ä¸–ç•Œæœ€é€Ÿã®ãŠéšã¨è¨€ãˆã°ã‚«ã‚¸ã‚é¡žã§ï¼Œæ³³ãé€Ÿåº¦ã¯æ™‚é€Ÿ100km/hã‚’è¶…ãˆã‚‹ã¨ã‹ï¼Ž55ãƒŽãƒƒãƒˆç¨‹ã«ãªã‚‹ã®ã§ã“ã‚Œã¯Mk-48éšé›·ã«ã‚‚åŒ¹æ•µã™ã‚‹ã»ã©ã§ã™ï¼Ž ä¸€æ–¹ã¡ã‚‡ã£ã¨ãƒãƒ¼ãƒˆãªé«˜é€ŸãŠéšã¨ã—ã¦ã¯ï¼ŒãŠé¦´æŸ“ã¿ãƒˆãƒ“ã‚¦ã‚ªãŒé£›è¡Œä¸ã«æœ€å¤§70km/hã»ã©ã«é”ã™ã‚‹ã¨ã‹ï¼Ž ä»Šæ—¥ã¯ãã‚“ãªè‹¥å¹²ãƒãƒ¼ãƒˆãªé«˜é€ŸåŒ–ã®ãŠè©±ï¼ˆï¼Ÿï¼‰ã¨ã„ã†ã“ã¨ã§ï¼ŒSSEçµ„ã¿è¾¼ã¿å‘½ä»¤ã«ã¤ã„ã¦ï¼Ž SSEã‚„AVXã¨ã„ãˆã°ãŠé¦´æŸ“ã¿SIMDå‘½ä»¤ã§ï¼Œãã‚Œã‚’ãƒ—ãƒã‚°ãƒ©ãƒ ã‹ã‚‰æ§‹é€ ä½“ã¨é–¢æ•°ã®å½¢å¼ã§é«˜ç§»æ®–ã«è¨˜è¿°ã™ã‚‹æ–¹æ³•ãŒSIMDçµ„ã¿è¾¼ã¿é–¢æ•°(SIMD Intrinsic)ãªã‚ã‘ã§ã™ãŒï¼Œã“ã‚Œã‚’ä½¿ã£ã¦ã”ãå…¸åž‹çš„ãªãƒ™ã‚¯ãƒˆãƒ«ã®å†…ç©è¨ˆç®—ã‚’é«˜é€ŸåŒ–ã—ã¦ã¿ã¾ã—ãŸï¼Ž ãƒ™ã‚¯ãƒˆãƒ«ã®å†…ç©ã®é«˜é€ŸåŒ–ã¨è¨€ãˆã°æ˜Ÿã®æ•°ã»ã©ã‚‚ã•ã‚Œã¦ã‚‹è©±ãªã‚ã‘ã§ï¼Œã„ã¾ã•ã‚‰éšã®æƒ…å ±ãªã‚“ã‹å½¹ã«ç«‹ã¤æ°—ã¯å…¨ãã—ãªã„ã®ã§ã™ãŒï¼Œç´”ç²‹ã«è‡ªåˆ†ã§ã‚„ã‚‰ãªã„ã¨ã‚ã‹ã‚“ãªã„ï¼žï¼œã€€ã¨ã„ã†ã“ã¨ã§ï¼Œ ã¨ã«ã‹ãæ›¸ã„ã¦ã¿ã‚ˆã† åŠ¹æžœã®ç¨‹ã¯ã„ã‹ã«ï¼Ÿ ã‚’èª¿ã¹ã¦ã¿ãŸãã¦ï¼Œã‚„
yass 2013/08/13
" SSEã‚„AVXã¨ã„ãˆã°ãŠé¦´æŸ“ã¿SIMDå‘½ä»¤ / ã“ã‚Œã‚’ä½¿ã£ã¦ã”ãå…¸åž‹çš„ãªãƒ™ã‚¯ãƒˆãƒ«ã®å†…ç©è¨ˆç®—ã‚’é«˜é€ŸåŒ– / æœ€å¤§ã§10å€ã®ã‚¹ãƒ«ãƒ¼ãƒ—ãƒƒãƒˆã¨ã„ã†ã®ã¯é©šã / 8192æ¬¡å…ƒï¼Œãƒ‡ãƒ¼ã‚¿é‡ã«ã—ã¦8192*sizeof(float)*2=64KBã«é”ã™ã‚‹ã¨ï¼Œé€Ÿåº¦å·®ãŒãªããªã£ã¦ã¾ã™ã"

sse

simd

AVX

intel

vector

Intrinsic

c

cpu
ãƒªãƒ³ã‚¯
Kore - A robust web platform for applications in C and Python
Kore is a web application platform for writing scala ble, concurrent web based processes in C or Python. It is built with a "secure by default" approach. It is fully privilege separated while using strong security features at the operating system level such as seccomp, pledge, unveil and more. Today Kore is used in a variety of applications ranging from high assurance cryptographic devices, machine
yass 2013/07/06
httpd

c
ãƒªãƒ³ã‚¯
Mongrel2ãŒé¢ç™½ã„ - yarbã®æ—¥è¨˜
ã‚¯ãƒªãƒ¼ãƒ³ãªCã§æ›¸ã‹ã‚ŒãŸWebã‚µãƒ¼ãƒã€ŒMongrel2ã€ã‚’èªã‚“ã§ã¿ãŸã€‚ã‚³ãƒ¼ãƒ‰ã®å†…å¤–ã¨ã‚‚ã«ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¯ã—ã£ã‹ã‚Šã—ã¦ã„ã‚‹ã—ã€é–¢é€£ãƒ–ãƒã‚°ã‚¨ãƒ³ãƒˆãƒªã‚‚ã‚ã£ã¦ã€éžå¸¸ã«å‹‰å¼·ã«ãªã‚‹ã€‚ä½•ã‚ˆã‚Šã€æ¯’èˆŒã®Zed Shawã®æ›¸ãæ–‡ç« ã¯é¢ç™½ãã¦é£½ããªã„ã®ãŒã„ã„ã€‚ ä¾‹ãˆã°ã€src/adtä»¥ä¸‹ã«ã¯ãƒ¦ãƒ¼ãƒ†ã‚£ãƒªãƒ†ã‚£é–¢é€£ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒå…¥ã£ã¦ã„ã‚‹ã€‚ä¼¸ã³ç¸®ã¿ã™ã‚‹darray.cã‚„ã€ãƒ‡ã‚£ã‚¯ã‚·ãƒ§ãƒŠãƒªã€ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ãƒ«ã€ãƒªã‚¹ãƒˆã¨ã„ã£ãŸè»Šè¼ªã®çŒ›ç™ºæ˜Žãªã¨ã“ã‚ãŒã€Cã‚’ä½¿ã£ãŸãƒ‡ãƒ¼ã‚¿æ§‹é€ ã®åŸºæœ¬ã¨ã„ã†æ„Ÿã˜ã€‚ãƒªã‚¹ãƒˆã®å®Ÿè£…ã§ã€å„é–¢æ•°ã®å…ˆé ã«assertã‚’ä¸¦ã¹ã¦æ¡ä»¶ã‚’æº€ãŸã—ã¦ã„ã‚‹ã‹ã‚’ãƒã‚§ãƒƒã‚¯ã™ã‚‹ã“ã¨ã§ã€æ•´åˆæ€§ã‚’å–ã‚‹ã®ã‚’å‘¼ã³å‡ºã—ã‚³ãƒ¼ãƒ‰å´ã®è²¬ä»»ã«ã—ã¦ã„ã‚‹ã‚¢ãƒ—ãƒãƒ¼ãƒã«ãªã‚‹ã»ã©ãªãã¨æ€ã£ãŸã€‚ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‚³ãƒ¼ãƒ‰ãŒå¤‰ãªã“ã¨ã—ãŸã‚‰ã€ã”ã£ãã‚Šè½ã¡ã‚‹ã¹ãã£ã¦ã“ã¨ã ã‚ã†ã‹ã€‚ /* * Insert the node ``new'' into the list immedia
yass 2013/06/01
mongrel2

ternary search tree

c

Assertion
ãƒªãƒ³ã‚¯
Terra
Terra is a low-level system programming language that is embedded in and meta-programmed by the Lua programming language: -- This top-level code is plain Lua code. function printhello() -- This is a plain Lua function print("Hello, Lua!") end printhello() -- Terra is backwards compatible with C, we'll use C's io library in our example. C = terralib.includec("stdio.h") -- The keyword 'terra' introd
yass 2013/05/15
lua

C

programming

jit
ãƒªãƒ³ã‚¯
ä¹±æ•°ãƒ©ã‚¤ãƒ–ãƒ©ãƒª
2009å¹´1æœˆ31æ—¥ã«64 bit Ubuntu ã‚’å°Žå…¥ã—ãŸã®ã§ã€ 64 bit gcc ã§ã®å‹•ä½œç¢ºèªã€æ€§èƒ½è©•ä¾¡ã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®ä½œæ¥ã‚’ã—ã¾ã—ãŸã€‚ æ–°ã—ãé–‹ç™ºã—ã¾ã—ãŸ(64 bit éžå¯¾å¿œ) jump.c.html : Xorshift ã§æˆ»ã£ãŸã‚Šä¸€çž¬ã§ç›¸å¯¾ã‚¸ãƒ£ãƒ³ãƒ—ã§ãã‚‹ãƒ—ãƒã‚°ãƒ©ãƒ æµ®å‹•å°æ•°ç‚¹æ•°ã«ç‰¹åŒ–ã—ãŸä¹±æ•°ãƒ©ã‚¤ãƒ–ãƒ©ãƒª(SSE2å¯¾å¿œ) zdsfmt.zip : ãƒ©ã‚¤ãƒ–ãƒ©ãƒªæœ¬ä½“ä¸€å¼ libZD.zip : ã‚¨ã‚¯ã‚»ãƒ«ã®ãŸã‚ã®ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯ãƒ»ãƒªãƒ³ã‚¯ãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒª(ï¼¤ï¼¬ï¼¬)ä¸€å¼ 32ãƒ“ãƒƒãƒˆæ•´æ•°ã®ç”Ÿæˆã¯ä»–ã®ã«æ¯”ã¹å°‘ã—é…ããªã‚Šã¾ã™ãŒã€æµ®å‹•å°æ•°ç‚¹æ•°ã®ç”Ÿæˆã¯ã‹ãªã‚Šé«˜é€Ÿã§ã™ã€‚ å…ƒã®ãƒ¡ãƒ«ã‚»ãƒ³ãƒŒãƒ»ãƒ„ã‚¤ã‚¹ã‚¿ã‚’ä½¿ã£ãŸä¹±æ•°ãƒ©ã‚¤ãƒ–ãƒ©ãƒª(SSE3å¯¾å¿œ) zmtrand.zip : ãƒ©ã‚¤ãƒ–ãƒ©ãƒªæœ¬ä½“ä¸€å¼ libZMT.zip : ã‚¨ã‚¯ã‚»ãƒ«ã®ãŸã‚ã®ãƒ€ã‚¤ãƒŠãƒŸãƒƒã‚¯ãƒ»ãƒªãƒ³ã‚¯ãƒ»ãƒ©ã‚¤ãƒ–ãƒ©ãƒª(ï¼¤ï¼¬ï¼¬)ä¸€å¼ ãƒžã‚¯ãƒ HAVE_SSE3 ã‚’å®šç¾©ã—ã¦
yass 2013/03/10
random

SFMT

xorshift

c

c++

java
ãƒªãƒ³ã‚¯
GitHub - maropu/vpacker: A simple integer compression library for C/C++/Java
A simple integer compression library for C/C++/Java ================= Overview ----------- Released vpacker-0.1.0, which compresses a 32-bit or 64-bit integer array. It is assumed to encode a sequence of integers with highly positive skewness. The skewness is a distribution where the mass of the distribution is concentrated on the left, i.e., an element of the sequence is rarely a large integer. T
yass 2013/02/27
"A simple integer compression library for C/C++/Java"

integer

compression

C
ãƒªãƒ³ã‚¯
MassDAL Code Bank -- Sketches, Frequent Items, Changes
MassDAL Public Code Bank : Sketches, Frequent It ems, Changes (Deltoids) This page is a library of routines in C and Java for data streaming and other massive data set analysis. Currently, these are derived from internal testing routines ("proof of concept" implementations), and so are distributed with no guarantees. In particular, there is relatively little error checking (parameters in range, mem
yass 2013/02/10
count

Count-Min Sketch

lossy counting

c

java
ãƒªãƒ³ã‚¯
ä»Šæ—¥è²·ã£ãŸæœ¬ - ã€Žã‚„ã•ã—ã„ã‚¢ã‚»ãƒ³ãƒ–ãƒ©å…¥é–€ã€
ãƒ‘ã‚½ã‚³ãƒ³æœ¬å¥½ããŒçŸ¥ã‚‰ã‚ŒãŸã‹ã‚‰ã‹ï¼Œä¼šç¤¾ï¼ˆéƒ¨ï¼‰ã®å›³æ›¸ä¿‚ã«ãªã£ã¦ã—ã¾ã„ã¾ã—ãŸã€‚ã§ï¼Œæ—©é€Ÿï¼Œã€Œæœ€è¿‘ã®è‹¥ã„ã®ã¯ C/C++ ã¯æ›¸ã‘ã‚‹ã‘ã©ã‚¢ã‚»ãƒ³ãƒ–ãƒªãŒèªã‚ãªãã¦ã„ã‹ã‚“ã€‚ã¡ã‚‡ã£ã¨å…¥é–€æ›¸ã‚’è²·ã£ã¦ãã¦ã€‚ã€ã¨ã„ã†ã“ã¨ã«ã€‚å›³æ›¸ä¿‚ã¨ã„ã†ã®ã¯ï¼Œè¦ã™ã‚‹ã«é›‘ç”¨ä¿‚ã€‚è‹¥ã„ã‚‚ã‚“ã°ã£ã‹ãŒï¼Œã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’èªã‚ãªã„ã‚ã‘ã˜ã‚ƒãªã„ã¨æ€ã†ã‚“ã ã‘ã©ã€‚ ãŸã—ã‹ã«ï¼ŒC/C++ ãƒ—ãƒã‚°ãƒ©ãƒžï¼Œãªã‹ã‚“ã¥ããƒ—ãƒã® C/C++ ãƒ—ãƒã‚°ãƒ©ãƒžã¯ï¼Œã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’ï¼ˆæ›¸ã‘ãªã„ã¾ã§ã‚‚ï¼‰èªã‚ãŸæ–¹ãŒã„ã„ã€‚æ¯”ã¹ã‚‹ã‚‚ã‚“ã§ã‚‚ãªã„ã‘ã©ï¼Œè‹±èªžã‚ˆã‚Šã‚‚å¿…è¦æ€§ãŒé«˜ã„ã‚“ã˜ã‚ƒãªã„ã‹ã¨æ€ã†ãã‚‰ã„ã€‚ãƒ—ãƒã‚°ãƒ©ãƒžãŒç›´æŽ¥ã‚¢ã‚»ãƒ³ãƒ–ãƒªã‚’æ›¸ãã“ã¨ã¯ç¨€ã ã‘ã‚Œã©ã‚‚ï¼Œä¾‹ãˆã° C/C++ ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã—ã¦ã„ã¦æ¬¡ã®ã‚ˆã†ãªå•é¡Œã«å½“ãŸã£ãŸå‘ãã¯ï¼Œèªã‚ã‚‹ã¨ã¨ã¦ã‚‚ä¾¿åˆ©ã§ã™ã€‚ ãƒªãƒªãƒ¼ã‚¹ãƒ“ãƒ«ãƒ‰ã¨ãƒ‡ãƒãƒƒã‚°ãƒ“ãƒ«ãƒ‰ã§ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®æŒ™å‹•ãŒç•°ãªã‚‹ã€‚ Windows ã§ 0xc000001dï¼ˆillegal instructionï¼‰ãª
yass 2013/01/06
book

assembly

c
ãƒªãƒ³ã‚¯
Cè¨€èªžã®ãƒã‚¤ãƒ³ã‚¿ã¯ãƒ¡ãƒ¢ãƒªã‚’æƒ³åƒã§ãã‚Œã°ç†è§£ã§ãã‚‹ | 100% Pure NEET
æœ€è¿‘ã€Cè¨€èªžã®ãƒã‚¤ãƒ³ã‚¿ã¯é›£ã—ã„ã£ã¦è©±ã‚’ãƒ—ãƒ©ã‚¤ãƒ™ãƒ¼ãƒˆã§ã—ã¦ã€ãã®ã¨ãã«ã—ãŸèª¬æ˜Žã‚’ã¾ã¨ã‚ã¦ã¿ãŸã€‚ ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã®ãƒ¡ãƒ¢ãƒªãŒã©ã®ã‚ˆã†ã«ãªã£ã¦ã„ã‚‹ã‹æƒ³åƒã™ã‚‹ ã“ã‚Œã¯Hex Fiendã¨ã„ã†ã‚½ãƒ•ãƒˆã‚’ä½¿ã£ã¦ã‚ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã®Hexãƒ€ãƒ³ãƒ—ã‚’è¦‹ãŸã‚‚ã®ã ã‘ã©ã€ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã®ãƒ¡ãƒ¢ãƒªã‚‚åŒã˜ã‚ˆã†ãªæ§‹é€ ã«ãªã£ã¦ã„ã‚‹ã®ã§ã“ã‚Œã‚’ä½¿ã†ã€‚é¡žä¼¼ã®ã‚½ãƒ•ãƒˆã¯Hex Editorãªã©ã§æ¤œç´¢ã™ã‚Œã°å‡ºã¦ãã‚‹ã ã‚ã†ã€‚ ã‚³ãƒ³ãƒ”ãƒ¥ãƒ¼ã‚¿ã®ãƒ¡ãƒ¢ãƒªã¯ã“ã†ã—ãŸãšã‚‰ãšã‚‰ã¨æ•°å€¤ãŒè¨˜éŒ²ã•ã‚ŒãŸãƒžã‚¹ç›®ã®é€£ç¶šã®ã‚ˆã†ãªæ§‹é€ ã‚’ã—ã¦ã„ã‚‹ã€‚Hex Editorãªã®ã§ã“ã‚Œã¯16é€²æ•°ã§è¡¨ç¾ã•ã‚Œã¦ã„ã‚‹ã€‚1ãƒã‚¤ãƒˆã¯16é€²æ•°2æ¡ã§è¡¨ç¾ã•ã‚Œã‚‹ã€‚Hex Editorã§ã¯æ™®é€šã¯1ãƒã‚¤ãƒˆã”ã¨ã€ã‚ã‚‹ã„ã¯4ãƒã‚¤ãƒˆã”ã¨ã«åŒºåˆ‡ã£ã¦è¡¨ç¤ºã™ã‚‹ã€‚ã“ã®ã‚¨ãƒ‡ã‚£ã‚¿ã¯ä¸€åŒºç”»ã”ã¨ã«8æ¡ã®16é€²æ•°ãŒã‚ã‚‹ã®ã§4ãƒã‚¤ãƒˆã”ã¨ã€‚ ãƒã‚¤ãƒ³ã‚¿ã‚’ä½¿ã†ã®ã«é‡è¦ãªã®ã¯ãŸã¶ã‚“ã€ã“ã†ã—ãŸãƒ¡ãƒ¢ãƒªã®å†…å®¹ã‚’é ã®ä¸ã§æ€ã„æµ®ã‹ã¹ã‚‹ã“ã¨ãŒã§ãã‚‹ã“ã¨ã
yass 2013/01/06
C

Pointer
ãƒªãƒ³ã‚¯
åˆã‚ã¦ã®Cè¨€èªžã§ã€Ž30æ—¥ã§ã§ãã‚‹ï¼OSè‡ªä½œå…¥é–€ã€ã®é€šã‚Šã«åˆã‚ã¦ã®OSã‚’ä½œã£ã¦ã¿ãŸ - ä¸‰ç‰å…µ
30æ—¥ã§ã§ãã‚‹! OSè‡ªä½œå…¥é–€ å‡ºç‰ˆç¤¾ : æ¯Žæ—¥ã‚³ãƒŸãƒ¥ãƒ‹ã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚º ç™ºè¡Œæ—¥ : 2006/3/1 è‰¯ã„æœ¬ã§ã™ã€‚ã‚¢ã‚«ãƒ‡ãƒŸãƒƒã‚¯ã®åŒ‚ã„ãŒè‰¯ã„æ„å‘³ã§å…¨ãã—ãªã„ã€‚ãã®ä¸Šã§ã®å®Ÿè·µçš„ãªæœ¬ã¯æ—¥æœ¬èªžã§ä»–ã«ç„¡ã„ã¨æ€ã„ã¾ã™ã€‚ã‚¬ãƒãƒ ãƒã‚¢ã‚«ãƒ‡ãƒŸãƒƒã‚¯ã®æ‰¹åˆ¤ã«ã‚ãˆã¦çœŸã£å‘å‹è² ã—ã¦ã‚‹ã‚ˆã†ãªæ„æ¬²ä½œã§ã™ã€‚ æ£ã—ã„çŸ¥è˜ã ã®ç”¨èªžã ã®ãã‚“ãªã‚‚ã‚“ã¯ã©ã†ã§ã‚‚ã„ã„ã‹ã‚‰æ‰‹ã‚’å‹•ã‹ã—ã¦ã‚„ã£ã¦ã¾ãˆã¿ãŸã„ãªæ„Ÿã˜ã§ã€‚ã“ã†ã„ã†ã®ã¯é ã„ã„äººãŸã¡ã‹ã‚‰æ‰¹åˆ¤ã•ã‚Œã‚„ã™ã„ã§ã™ãã€‚ä¿—ç‰©ãªç§ã«ã¯ã´ã£ãŸã‚Šã§ã—ãŸãŒã€‚ æœ¬æ›¸ã¯Windowsç”¨ã®ã‚µãƒ³ãƒ—ãƒ«ã—ã‹ãªã„ã‚“ã§ã™ãŒMacç”¨ã«æ•´ãˆãŸã®ã§ã€ãã‚Œå…¬é–‹ã™ã‚‹ã¤ã„ã§ã«æ€ã£ãŸã“ã¨ã¤ã‚‰ã¤ã‚‰ã¨æ›¸ã„ã¨ãã¾ã™ã€‚ é–‹ç™ºç’°å¢ƒ Mac ã‚µãƒ³ãƒ—ãƒ«ãŒWindowsç”¨ãªã®ã§ã„ã‚ã„ã‚Macä»•æ§˜ã«ã—ãªãã‚ƒã„ã‘ãªã„(å¾Œè¿°) ãƒ†ã‚ã‚¹ãƒˆã‚¨ãƒ‡ã‚£ã‚¿ Emacsã ã®Vimã ã®ãªã‚“ã§ã‚‚ã„ã„ã®ã§é©å½“ã«ç”¨æ„ ãƒã‚¤ãƒŠãƒªã‚¨ãƒ‡ã‚£ã‚¿ Macã ã¨0xEDãŒè‰¯ã„ http://www
yass 2013/01/06
os

book

c
ãƒªãƒ³ã‚¯
1 2 æ¬¡ã®ãƒšãƒ¼ã‚¸