NV 揭秘:Ampere開發了4年,已達7nm極限 - 3C

By Quintina
at 2020-06-15T00:02
at 2020-06-15T00:02
Table of Contents
NVIDIA的Ampere GPU發布就要1個月了,目前問世的主要是針對數據中心市場的A100核心
540億個電晶體管、826mm2核心面積的它絕對是怪獸級GPU
NVIDIA表示Ampere GPU開發花了他們4年時間,這麼大的核心已經達到了台積電7nm極限了
NVIDIA官方網站上今天發了一篇文章,GPU工程部門的主管Jonah Alben談到了Ampere GPU
的很多內幕消息。
根據Jonah Alben所說Ampere GPU的研發過程中,他需要團結硬體、軟體及系統團隊一切
可能的力量
花費了4年時間才研發出這個怪獸,A100 GPU的性能是上一代GPU的20倍(注:只是AI性能
,實際性能提升沒有這麼誇張。)
A100 GPU使用了台積電的7nm製程,整合了540億個電晶體管,核心面積826mm2
這幾乎是7nm製程的極限水平了,Jonah Alben面臨的挑戰就是在這樣的核心中整合更多的
功能單元
否則就要重新開發GPU架構。為了充分利用這些條件NVIDIA在A100 GPU上設計了不少冗餘
單元
這也是現有的A100 GPU並非滿血版的原因,完整的128組SMX
8196個處理器中目前只啟用了108組SMX單元、6912個CUDA核心
6組HBM2也只啟用了5組HBM2,所以總容量為40GB,頻寬為5120-bit。
至於未來會不會解鎖完整版核心,NVIDIA倒是沒有表態,但從之前的情況來看
大概率會再推一波Super系列。
來源 https://news.mydrivers.com/1/694/694921.htm
XF編譯
https://www.xfastest.com/thread-241753-1-1.html
https://i.imgur.com/Ti27SVh.png
四年前 即偷偷布局 四年後 玩家才能享用美好的產品 老黃一把刀都要打造四年
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