derek.holloway
7502bf64a4
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81 lines
2.9 KiB
MLIR
81 lines
2.9 KiB
MLIR
// RUN: mlir-opt -pass-pipeline="builtin.module(func.func(convert-linalg-to-loops,lower-affine,convert-scf-to-cf,convert-arith-to-llvm),convert-vector-to-llvm,finalize-memref-to-llvm,convert-func-to-llvm,convert-cf-to-llvm,reconcile-unrealized-casts)" %s | mlir-runner -O3 -e main -entry-point-result=void -shared-libs=%mlir_c_runner_utils | FileCheck %s
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// XFAIL: system-aix
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func.func @main() {
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%A = memref.alloc() : memref<16x16xf32>
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%B = memref.alloc() : memref<16x16xf32>
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%C = memref.alloc() : memref<16x16xf32>
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%cf1 = arith.constant 1.00000e+00 : f32
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linalg.fill ins(%cf1 : f32) outs(%A : memref<16x16xf32>)
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linalg.fill ins(%cf1 : f32) outs(%B : memref<16x16xf32>)
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%num_reps = arith.constant 5 : index
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%t_start = call @rtclock() : () -> f64
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affine.for %arg0 = 0 to %num_reps {
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linalg.fill ins(%cf1 : f32) outs(%C : memref<16x16xf32>)
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func.call @sgemm_naive(%A, %B, %C) : (memref<16x16xf32>, memref<16x16xf32>, memref<16x16xf32>) -> ()
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}
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%t_end = call @rtclock() : () -> f64
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%t = arith.subf %t_end, %t_start : f64
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%res = affine.load %C[0, 0]: memref<16x16xf32>
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vector.print %res: f32
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%c0 = arith.constant 0 : index
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%c1 = arith.constant 1 : index
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%c2 = arith.constant 2 : index
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%M = memref.dim %C, %c0 : memref<16x16xf32>
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%N = memref.dim %C, %c1 : memref<16x16xf32>
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%K = memref.dim %A, %c1 : memref<16x16xf32>
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// num_flops_per_iter = 2*M*N*K
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%f1 = arith.muli %M, %N : index
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%f2 = arith.muli %f1, %K : index
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%num_flops_per_iter = arith.muli %c2, %f2 : index
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// num_flops_total = num_flops_per_iter * num_reps
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%num_flops_total = arith.muli %num_flops_per_iter, %num_reps: index
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// Print the number of flops per second
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%num_flops_total_i = arith.index_cast %num_flops_total : index to i16
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%num_flops_total_f = arith.uitofp %num_flops_total_i : i16 to f64
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%flops_per_s = arith.divf %num_flops_total_f, %t : f64
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call @printFlops(%flops_per_s) : (f64) -> ()
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memref.dealloc %A : memref<16x16xf32>
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memref.dealloc %B : memref<16x16xf32>
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memref.dealloc %C : memref<16x16xf32>
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return
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}
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// CHECK: 17
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func.func @sgemm_naive(%arg0: memref<16x16xf32>, %arg1: memref<16x16xf32>, %arg2: memref<16x16xf32>) {
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%c0 = arith.constant 0 : index
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affine.for %arg3 = 0 to 16 {
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affine.for %arg4 = 0 to 16 {
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%m = memref.alloc() : memref<1xf32>
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%v = affine.load %arg2[%arg3, %arg4] : memref<16x16xf32>
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affine.store %v, %m[%c0] : memref<1xf32>
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affine.for %arg5 = 0 to 16 {
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%3 = affine.load %arg0[%arg3, %arg5] : memref<16x16xf32>
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%4 = affine.load %arg1[%arg5, %arg4] : memref<16x16xf32>
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%5 = affine.load %m[0] : memref<1xf32>
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%6 = arith.mulf %3, %4 : f32
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%7 = arith.addf %6, %5 : f32
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affine.store %7, %m[0] : memref<1xf32>
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}
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%s = affine.load %m[%c0] : memref<1xf32>
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affine.store %s, %arg2[%arg3, %arg4] : memref<16x16xf32>
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memref.dealloc %m : memref<1xf32>
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}
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}
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return
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}
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func.func private @printFlops(f64)
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func.func private @rtclock() -> f64
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