Speed performance optimized by 30 times #39
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#pragma opm simd
错了，是omp
无法顺畅的大口呼吸，是活着的最好证明
…---Original---
From: ***@***.***>
Date: Wed, Mar 15, 2023 17:23 PM
To: ***@***.***>;
Cc: ***@***.***>;
Subject: [parallel101/hw04] Speed performance optimized by 30 times (PR #39)
初始数据:
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 6646 ms
编译指令加入O3优化：
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 1737 ms
将结构体OOP改成DOP
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 1734 ms
加入编译指令
#pragma GCC ivdep #pragma GCC unroll 4
Initial energy: -8.571302
Final energy: -8.511518
Time elapsed: 1587 ms
加上暴力火车头：
Initial energy: -8.571527
Final energy: -8.511723
Time elapsed: 1175 ms
加入编译指令：
-ffast-math -march=native
Initial energy: -8.571527
Final energy: -8.511747
Time elapsed: 210 ms
You can view, comment on, or merge this pull request online at:
#39
Commit Summary
abefa6b Modified fast
3e87fbf Modified fast
File Changes
(8 files)
A .vscode/settings.json (6)
M CMakeLists.txt (8)
M README.md (44)
A initial.cpp (88)
A initial.exe (0)
M main.cpp (127)
A main.exe (0)
A rbq.bat (6)
Patch Links:
https://github.com/parallel101/hw04/pull/39.patch
https://github.com/parallel101/hw04/pull/39.diff
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尴尬....😂 |
初始数据:
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 6646 ms
编译指令加入O3优化：
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 1737 ms
将结构体OOP改成DOP
Initial energy: -8.571526
Final energy: -8.511777
Time elapsed: 1734 ms
加入编译指令
Initial energy: -8.571302
Final energy: -8.511518
Time elapsed: 1587 ms
加上暴力火车头：
Initial energy: -8.571527
Final energy: -8.511723
Time elapsed: 1175 ms
加入编译指令：
-ffast-math -march=nativeInitial energy: -8.571527
Final energy: -8.511747
Time elapsed: 210 ms