tcgen05 for dummies

tcgen05 is the set of PTX instructions to program Tensor Cores on the latest NVIDIA Blackwell GPUs ( sm100 , not to be confused with consumer Blackwell sm120 ). At the time of writing, I couldn&rsquo;t find a Blackwell tutorial in plain CUDA C++ with PTX, even though such exist for Ampere ( alexarmbr&rsquo;s and spatters&rsquo; ) and Hopper ( Pranjal&rsquo;s ). So let&rsquo;s write one,…