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随手摸下B200 (148SM)。Vector性能相比H100的提升比较常规(+25%)。全局原子CAS延迟是H100的2x,达到200ns,这大概就是MCM的代价。

有意思的点在于wmma发生明显倒退,每SM性能回到了图形卡水平。本代大概只有tcgen05.mma可以跑出纸面tensor吞吐,这标志着计算卡重心逐渐转向类似NPU的TMEM?



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随手摸下B200 (148SM)。Vector性能相比H100的提升比较常规(+25%)。全局原子CAS延迟是H100的2x,达到200ns,这大概就是MCM的代价。

有意思的点在于wmma发生明显倒退,每SM性能回到了图形卡水平。本代大概只有tcgen05.mma可以跑出纸面tensor吞吐,这标志着计算卡重心逐渐转向类似NPU的TMEM?

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Tata Power whose core business is to generate, transmit and distribute electricity has made no money to investors in the last one decade. That is a big blunder considering it is one of the largest power generation companies in the country. One of the reasons is the company's huge debt levels which stood at ₹43,559 crore at the end of March 2021 compared to the company’s market capitalisation of ₹44,447 crore.

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