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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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What is Secret Chats of Telegram

Secret Chats are one of the service’s additional security features; it allows messages to be sent with client-to-client encryption. This setup means that, unlike regular messages, these secret messages can only be accessed from the device’s that initiated and accepted the chat. Additionally, Telegram notes that secret chats leave no trace on the company’s services and offer a self-destruct timer.

The messaging service and social-media platform owes creditors roughly $700 million by the end of April, according to people briefed on the company’s plans and loan documents viewed by The Wall Street Journal. At the same time, Telegram Group Inc. must cover rising equipment and bandwidth expenses because of its rapid growth, despite going years without attempting to generate revenue.

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