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sgemm_tcore: Fix correctness for GEMMINI_DMA

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Remap the logical SMEM row/col coordinates to the DMA's two-level
block-row-major layout.
This commit is contained in:
Hansung Kim
2024-09-02 23:46:50 -07:00
parent dd1b408f56
commit 7aa0e6cbe4
2 changed files with 75 additions and 19 deletions
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10
tests/regression/sgemm_tcore/kernel.cpp
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@@ -84,11 +84,15 @@ void kernel_body(int task_id, kernel_arg_t *__UNIFORM__ arg) {
// "static" shared memory allocation. This would determine threadblock
// occupancy of a single cluster
uint8_t *sharedmem_per_threadblock = reinterpret_cast<uint8_t *>(
DEV_SMEM_START_ADDR + sizeof(float_type) * 2 /*overkill for non-dma*/ *
(2 * BM * BK) * threadblock_id_in_cluster);
DEV_SMEM_START_ADDR +
sizeof(float_type) * 2 * (2 * BM * BK) * threadblock_id_in_cluster);
thread_block_gemm<float_type, threads_per_threadblock,
/*write_to_gmem=*/true>(
/*write_to_gmem=*/true,
/*smem_a_offset=*/0,
/*smem_a_dbuf_offset=*/0,
/*smem_b_offset=*/2 * BM * BK * sizeof(float),
/*smem_b_dbuf_offset=*/2 * BM * BK * sizeof(float)>(
(const float_type *)arg->addr_a, (const float_type *)arg->addr_b,
(float *)arg->addr_c, arg->dim_m, arg->dim_n, arg->dim_k,
tid_in_threadblock, threadblocks_per_cluster, threadblock_id_in_cluster,