Redfire75369’s avatarRedfire75369’s Twitter Archive—№ 1,568

  1. I missed this some time ago, it has a few interesting things. The L1I$ of Xe-HPG is 96 KiB, but only 48 on Xe-LP/Xe-HP. Xe-HPG and Xe-HP have 8 threads per EU, but have a mode with 4 threads per EU to increase the register file size per thread.
    1. …in reply to @Redfire75369
      Xe-HPG emulates 64-bit datatypes in software, while Xe-HP has dedicated FP64 and Int64 pipelines. (I hear the pipelines are relatively weak though) Full Summary from article:
      oh my god twitter doesn’t include alt text from images in their API
      1. …in reply to @Redfire75369
        Oops, forgot to send the article, here it is: coelacanth-dream.com/posts/2021/09/16/intel-xe_hpg-icache/