| !in_tensor_t = tensor<?x?xf32> |
| !out_tensor_t = tensor<?xf32> |
| |
| func.func @reduce(%arg : !in_tensor_t) -> (!out_tensor_t) { |
| %c0 = arith.constant 0 : index |
| %cst = arith.constant -0.000000e+00 : f32 |
| |
| %d0 = tensor.dim %arg, %c0 : !in_tensor_t |
| %0 = tensor.empty(%d0) : !out_tensor_t |
| %1 = linalg.fill ins(%cst : f32) outs(%0 : !out_tensor_t) -> !out_tensor_t |
| %2 = linalg.generic { |
| indexing_maps = [affine_map<(d0, d1) -> (d0, d1)>, |
| affine_map<(d0, d1) -> (d0)>], |
| iterator_types = ["parallel", "reduction"]} |
| ins(%arg : !in_tensor_t) outs(%1 : !out_tensor_t) { |
| ^bb0(%arg3: f32, %arg4: f32): |
| %3 = arith.addf %arg3, %arg4 : f32 |
| linalg.yield %3 : f32 |
| } -> !out_tensor_t |
| return %2 : !out_tensor_t |
| } |
| |
| // RUN: iree-opt %s --iree-hal-target-backends=cuda \ |
| // RUN: --iree-abi-transformation-pipeline \ |
| // RUN: --iree-flow-transformation-pipeline \ |
| // RUN: --iree-stream-transformation-pipeline \ |
| // RUN: --iree-hal-configuration-pipeline | \ |
| // RUN: iree-opt --pass-pipeline='builtin.module(hal.executable(hal.executable.variant(iree-llvmgpu-lower-executable-target)))' \ |
| // RUN: --iree-codegen-llvmgpu-enable-transform-dialect-jit=false \ |
| // RUN: --iree-codegen-llvmgpu-use-transform-dialect=%p/reduction_v3_codegen_spec.mlir | \ |
| // RUN: FileCheck %s --check-prefix=CHECK |
| |
| // RUN: iree-compile %s --iree-hal-target-backends=cuda \ |
| // RUN: --iree-codegen-llvmgpu-enable-transform-dialect-jit=false \ |
| // RUN: --iree-codegen-llvmgpu-use-transform-dialect=%p/reduction_v3_codegen_spec.mlir | \ |
| // RUN: iree-run-module --module=- --function=reduce --device=cuda --input="123x4567xf32=1" |\ |
| // RUN: FileCheck %s --check-prefix=EXEC |
| |
| // RUN: iree-compile %s --iree-hal-target-backends=cuda | \ |
| // RUN: iree-run-module --module=- --function=reduce --device=cuda --input="123x4567xf32=1" |\ |
| // RUN: FileCheck %s --check-prefix=EXEC |
| |
| // CHECK-DAG: %[[C0:.*]] = arith.constant 0 : index |
| // CHECK-DAG: %[[workgroup_id_x:.*]] = hal.interface.workgroup.id[0] : index |
| // CHECK-DAG: %[[SHMEM_ALLOC:.*]] = memref.alloc() {alignment = 64 : i64} : memref<1x1024xf32, #gpu.address_space<workgroup>> |
| |
| // CHECK: %[[TIDX:.]] = gpu.thread_id x |
| // Local per-thread scf.for-based reduction. |
| // CHECK: %[[v:.*]] = scf.for {{.*}} -> (vector<f32>) { |
| // CHECK: vector.transfer_read %{{.*}} : memref<?x?xf32>, vector<f32> |
| // CHECK: arith.addf {{.*}} : f32 |
| // CHECK: } |
| // CHECK: vector.transfer_write %[[v]], %[[SHMEM_ALLOC]][%[[C0]], %[[TIDX]]] : vector<f32>, memref<1x1024xf32, #gpu.address_space<workgroup>> |
| |
| // Distributed reduction: everyone loads then 5 xor + addf expected |
| // CHECK: vector.transfer_read %{{.*}}[%[[C0]], %{{.*}}] |
| // CHECK-COUNT-5: gpu.shuffle xor{{.*}}{{[[:space:]].*}}{{.*}} arith.addf |
| |
| // CHECK: %[[RES:.*]] = arith.addf %{{.*}} |
| |
| // CHECK: %[[RES_VEC:.*]] = vector.broadcast %[[RES]] : f32 to vector<f32> |
| // CHECK: %[[CONDXIS0:.*]] = arith.cmpi eq, %[[TIDX]], %[[C0]] : index |
| // CHECK: scf.if %[[CONDXIS0]] |
| // CHECK: vector.transfer_write %[[RES_VEC]] |
| // CHECK: gpu.barrier |
| |
| // only checking the first 6 of 123 |
| // EXEC: result[0]: hal.buffer_view |
| // EXEC-NEXT: 123xf32=4567 4567 4567 4567 4567 4567 |
