masahi commented on code in PR #16413:
URL: https://github.com/apache/tvm/pull/16413#discussion_r1466127313
##########
src/runtime/contrib/cublas/cublas_utils.h:
##########
@@ -80,7 +80,14 @@ struct CuBlasThreadEntry {
struct CuBlasLtThreadEntry {
CuBlasLtThreadEntry();
~CuBlasLtThreadEntry();
+
cublasLtHandle_t handle{nullptr};
+ cublasLtMatmulPreference_t matmul_pref_desc{nullptr};
+ void* workspace_ptr{nullptr};
+ // 32MB workspace as suggested by NVIDIA
+ // https://docs.nvidia.com/cuda/cublas/index.html#cublassetworkspace.
+ static constexpr const size_t workspace_size = 33554432;
Review Comment:
I'm assuming that 32MB is also good for pre-Hopper since it is bigger than
the recommended size, 4MB. @vinx13
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