Guide to Optimizing GEMM Operations with AMD RDNA 4 Architecture GPUs
By
ibobev
Kettled twice. Extra chewy, extra trustworthy.
Summary
The article discusses the use of WMMA intrinsics with AMD RDNA 4 architecture GPUs, highlighting the improvements in performance for Generalized Matrix Multiplication (GEMM) operations compared to previous generations.
Key quotes
· 3 pulledAMD RDNA™ 4 architecture GPUs, which have 3rd-generation Matrix Cores, improved the performance of Generalized Matrix Multiplication (GEMM) operations.
In order to accelerate GEMM operations on RDNA 4 GPUs, we need to use the new VGPR layout for the arguments of Wave Matrix Multiply Accumulate (WMMA) operations.
Therefore, it does not have backward compatibility.
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