sgemm_wg: 128x128 config
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@@ -16,11 +16,11 @@
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// (BM*BN) / (TM*TN) == threadblock size >= NT * CORES_PER_CLUSTER
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// (BM*BN) / (TM*TN) == threadblock size >= NT * CORES_PER_CLUSTER
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// * Combining BM * BK >= (BM*BN) / (TM*TN) == threadblock yields
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// * Combining BM * BK >= (BM*BN) / (TM*TN) == threadblock yields
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// BM <= BK*TM*TN
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// BM <= BK*TM*TN
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#define BM 8
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#define BM 32
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#define BN BM
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#define BN BM
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#define BK 2
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#define BK 8
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#define TM 2
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#define TM 4
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#define TN 2
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#define TN 4
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void threadblock_barrier(unsigned int tid_in_threadblock, unsigned int barrier_id, unsigned int count) {
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void threadblock_barrier(unsigned int tid_in_threadblock, unsigned int barrier_id, unsigned int count) {
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vx_fence();
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vx_fence();
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@@ -80,14 +80,14 @@ void thread_block_gemm(kernel_arg_t *__UNIFORM__ arg,
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//
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//
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// Make sure global offset values for A and B are contiguous between
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// Make sure global offset values for A and B are contiguous between
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// neighboring threads to ensure GMEM coalescing.
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// neighboring threads to ensure GMEM coalescing.
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// #pragma GCC unroll 1
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#pragma GCC unroll 2
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for (uint32_t load_offset = 0; load_offset < BM; load_offset += stride_a) {
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for (uint32_t load_offset = 0; load_offset < BM; load_offset += stride_a) {
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const uint32_t global_a_offset =
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const uint32_t global_a_offset =
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dim_k * (global_a_row + load_offset) + (k + local_a_col);
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dim_k * (global_a_row + load_offset) + (k + local_a_col);
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local_a[BK * (local_a_row + load_offset) + local_a_col] =
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local_a[BK * (local_a_row + load_offset) + local_a_col] =
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A[global_a_offset];
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A[global_a_offset];
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}
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}
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// #pragma GCC unroll 1
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#pragma GCC unroll 2
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for (uint32_t load_offset = 0; load_offset < BK; load_offset += stride_b) {
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for (uint32_t load_offset = 0; load_offset < BK; load_offset += stride_b) {
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const uint32_t global_b_offset =
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const uint32_t global_b_offset =
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dim_n * (k + local_b_row + load_offset) + global_b_col;
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dim_n * (k + local_b_row + load_offset) + global_b_col;
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@@ -99,7 +99,7 @@ void thread_block_gemm(kernel_arg_t *__UNIFORM__ arg,
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threadblock_dim_y);
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threadblock_dim_y);
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// Compute single tile*tile matmul
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// Compute single tile*tile matmul
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// #pragma GCC unroll 2
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#pragma GCC unroll 4
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for (uint32_t local_k = 0; local_k < BK; local_k++) {
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for (uint32_t local_k = 0; local_k < BK; local_k++) {
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// First, pump data from SMEM->RF
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// First, pump data from SMEM->RF
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#pragma GCC unroll TM
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#pragma GCC unroll TM
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@@ -166,9 +166,9 @@ int main(int argc, char *argv[]) {
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RT_CHECK(vx_dev_open(&device));
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RT_CHECK(vx_dev_open(&device));
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// FIXME: hardcoded
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// FIXME: hardcoded
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uint32_t dim_m = 32;
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uint32_t dim_m = 128;
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uint32_t dim_n = 32;
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uint32_t dim_n = 128;
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uint32_t dim_k = 32;
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uint32_t dim_k = 128;
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generate_source_matrix(dim_m, dim_n, dim_k);
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generate_source_matrix(dim_m, dim_n, dim_k);
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generate_reference_matmul(dim_m, dim_n, dim_k);
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generate_reference_matmul(dim_m, dim_n, dim_k);
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