AmiBroker 5.83.0 BETA released
September 22, 2014AmiBroker 5.83.0 BETA released
Stability: Rank 3 – Regular BETA, pretty stable, should work fine in most environments
This is a BETA version. Make a backup first
A new beta version (5.83.0) of AmiBroker has just been released.
32-bit version:
http://www.amibroker.com/members/bin/ab5830beta.exe
(2 316 032 bytes)
64-bit version:
http://www.amibroker.com/members/bin/AmiBroker5830x64.exe
(9 724 040 bytes)
If you can not log in into members’ area please get your new password by filling the form at: http://www.amibroker.com/login.html
IMPORTANT: Unauthorized copying and/or distribution of materials found on members’ only page is STRICTLY PROHIBITED and will result in IMMEDIATE termination of license.
Remember to BACKUP YOUR FILES FIRST !
Note that this version can only be installed onto previous full installation of version 5.80 or higher from http://www.amibroker.com/download.html
這版的變動有這一條：
6. AFL engine: brand new custom micro allocator speeds up AFL execution of complex formulas with nested loops upto 3 times.
詳情請見原始連結 大大手腳真快 {:4_113:} 第六點是指 FOR 迴圈速度增快 3倍嗎 XD kilroy 發表於 14-9-23 11:04 static/image/common/back.gif
第六點是指 FOR 迴圈速度增快 3倍嗎 XD
指的是巢式迴圈（迴圈內還有迴圈），原始連結有提到一個測量時間的範例程式與不同版本的結果
Timings (4000 bars)
5.83 time 146ms,
5.82 time 450ms,
5.80 time 440ms
只是一般人應該感覺不出146毫秒與440毫秒之間的差異吧{:4_121:}
micro allocator 不知道是什麼.. keymaker 發表於 14-9-23 22:59 static/image/common/back.gif
micro allocator 不知道是什麼..
以下可供參考：
Microallocator - An open source micro-allocator. Extremely high speed cache-coherent and data aligne
A free open source micro allocator in C++ 有人真的比較過執行效能是否有效提升嗎?
譬如 SCAN 快10%之類的? calvinhorng 發表於 14-9-25 06:41
有人真的比較過執行效能是否有效提升嗎?
譬如 SCAN 快10%之類的?
有，商品越多時，差異越大
看起來是一種高速記憶區配置的技術.....................
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