科學計算使用intel有比較快嗎? - 3C

By Kyle
at 2019-08-09T16:36
at 2019-08-09T16:36
Table of Contents
※ 引述《ben108472 (ben108472)》之銘言:
: 最近要換電腦在思考3700X與9900KF,如果有在大量使用python的numpy以及scipy,matpl
: otlib做計算繪圖,intel平台確實有比較快嗎?
: 剛剛網路上看一下,matlab計算似乎AMD可以說是慘輸給intel。
: 畢竟9900K除了貴3000以外,還要買個3000的貓頭鷹風扇才能壓,想知道3700X真的落後很
: 多嗎?
剛剛找了一下,我找不到 3700X 的相關結果,
但是有 3900X 和 9900k 的 MATLAB 測試
3900X : https://pastebin.com/WZuGhBJL
9900K : https://pastebin.com/8KF5BQmU
把這兩者在測資大小 N=10000 的結果拿出來比較
https://i.imgur.com/hW9TCk2.png
簡評:
1. SVD 9900K 比 3900X 慢約 14%
2. 計算 pseudo-inverse 9900K 比 3900X 快 9%
3. Cholesky 分解、QR 分解、計算反矩陣、矩陣相乘 9900K 都屌贏 3900X
--
「你的位置給我玩啦」 ~中野二乃
https://i.imgur.com/FjVPg9i.jpg
--
: 最近要換電腦在思考3700X與9900KF,如果有在大量使用python的numpy以及scipy,matpl
: otlib做計算繪圖,intel平台確實有比較快嗎?
: 剛剛網路上看一下,matlab計算似乎AMD可以說是慘輸給intel。
: 畢竟9900K除了貴3000以外,還要買個3000的貓頭鷹風扇才能壓,想知道3700X真的落後很
: 多嗎?
剛剛找了一下,我找不到 3700X 的相關結果,
但是有 3900X 和 9900k 的 MATLAB 測試
3900X : https://pastebin.com/WZuGhBJL
9900K : https://pastebin.com/8KF5BQmU
把這兩者在測資大小 N=10000 的結果拿出來比較
https://i.imgur.com/hW9TCk2.png
簡評:
1. SVD 9900K 比 3900X 慢約 14%
2. 計算 pseudo-inverse 9900K 比 3900X 快 9%
3. Cholesky 分解、QR 分解、計算反矩陣、矩陣相乘 9900K 都屌贏 3900X
--
「你的位置給我玩啦」 ~中野二乃
https://i.imgur.com/FjVPg9i.jpg
--
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