| !in_tensor_t = tensor<33x34567xf32> |
| !out_tensor_t = tensor<33xf32> |
| |
| func.func @reduce(%arg : !in_tensor_t) -> (!out_tensor_t) { |
| %cst = arith.constant -0.000000e+00 : f32 |
| |
| %0 = tensor.empty() : !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_v2_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_v2_codegen_spec.mlir | \ |
| // RUN: iree-run-module --module=- --function=reduce --device=cuda --input="33x34567xf32=1" |\ |
| // RUN: FileCheck %s --check-prefix=EXEC |
| |
| // CHECK-DAG: %[[C0:.*]] = arith.constant 0 : index |
| // CHECK-DAG: %[[C1:.*]] = arith.constant 1 : index |
| // CHECK-DAG: %[[F0:.*]] = arith.constant dense<0.000000e+00> : vector<4xf32> |
| // CHECK-DAG: %[[workgroup_id_x:.*]] = hal.interface.workgroup.id[0] : index |
| // CHECK-DAG: %[[SHMEM_ALLOC:.*]] = memref.alloc() {alignment = 64 : i64} : memref<1x128xf32, #gpu.address_space<workgroup>> |
| |
| // CHECK: %[[TIDX:.]] = gpu.thread_id x |
| // CHECK: %[[IDX:.*]] = affine.apply{{.*}}%[[TIDX]] |
| // CHECK: gpu.barrier |
| // Local per-thread scf.for-based reduction. |
| // CHECK: scf.for |
| // CHECK-NOT: memref.alloc |
| // CHECK: linalg.generic |
| // TODO: remote unnecessary barrier within the loop |
| // CHECK: gpu.barrier |
| |
| // Distributed reduction: everyone loads then 5 xor + addf expected |
| // CHECK: vector.transfer_read %{{.*}}[%[[C0]], %[[IDX]]] |
| // 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 33 |
| // EXEC: result[0]: hal.buffer_view |
| // EXEC-NEXT: 33xf32=34567 34567 34567 34567 34567 34567 |
