| !in_tensor_t = tensor<8x64xf32> |
| !out_tensor_t = tensor<8xf32> |
| |
| 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 |
| %5 = 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): |
| %4 = arith.addf %arg3, %arg4 : f32 |
| linalg.yield %4 : f32 |
| } -> !out_tensor_t |
| |
| %6 = tensor.empty() : !out_tensor_t |
| %7 = linalg.generic { |
| indexing_maps = [affine_map<(d0) -> (d0)>, |
| affine_map<(d0) -> (d0)>], |
| iterator_types = ["parallel"]} |
| ins(%5 : !out_tensor_t) outs(%6 : !out_tensor_t) { |
| ^bb0(%arg3: f32, %arg4: f32): |
| %4 = math.sqrt %arg3 : f32 |
| linalg.yield %4 : f32 |
| } -> !out_tensor_t |
| return %7 : !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_eltwise_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_eltwise_codegen_spec.mlir | \ |
| // RUN: iree-run-module --module=- --function=reduce --device=cuda --input="8x64xf32=1" |\ |
| // RUN: FileCheck %s --check-prefix=EXEC |
| |
| /// Note: the current --iree-codegen-llvmgpu-enable-transform-dialect-jit only works for exactly this reduction atm. |
| // RUN: iree-compile %s --iree-hal-target-backends=cuda | \ |
| // RUN: iree-run-module --module=- --function=reduce --device=cuda --input="8x64xf32=1" |\ |
| // RUN: FileCheck %s --check-prefix=EXEC |
| |
| // CHECK-DAG: %[[C0:.*]] = arith.constant 0 : index |
| // CHECK-DAG: %[[C1:.*]] = arith.constant 1 : index |
| // CHECK-DAG: %[[workgroup_id_x:.*]] = hal.interface.workgroup.id[0] : index |
| // CHECK-DAG: %[[SHMEM_ALLOC:.*]] = memref.alloc() {alignment = 64 : i64} : memref<1x2xf32, #gpu.address_space<workgroup>> |
| // CHECK-DAG: %[[TIDX:.]] = gpu.thread_id x |
| // CHECK-DAG: %[[TIDY:.]] = gpu.thread_id y |
| // CHECK-DAG: %[[CONDXIS0:.*]] = arith.cmpi eq, %[[TIDX]], %[[C0]] : index |
| |
| // Distributed reduction: everyone loads then 5 xor + addf expected |
| // CHECK: vector.transfer_read %{{.*}}[%[[workgroup_id_x]], %[[TIDY]], %[[TIDX]]] |
| // CHECK-COUNT-5: gpu.shuffle xor{{.*}}{{[[:space:]].*}}{{.*}} arith.addf |
| |
| // CHECK: %[[RES:.*]] = arith.addf %{{.*}} |
| |
| // CHECK: %[[RES_VEC:.*]] = vector.broadcast %[[RES]] : f32 to vector<f32> |
| // CHECK: scf.if %[[CONDXIS0]] |
| // CHECK: vector.transfer_write %[[RES_VEC]], %[[SHMEM_ALLOC]][%[[C0]], %[[TIDY]]] |
| // CHECK: gpu.barrier |
| |
| // Last part is not distributed atm and is only ran by threadIdx.x == 0 and threadIdx.y == 0. |
| // It should contain the fused elementwise operation. |
| // CHECK: %[[CONDYIS0:.*]] = arith.cmpi ult, %[[TIDY]], %[[C1]] : index |
| // TODO: cond eq 0 and cond ult 1 do not CSE atm. |
| // CHECK: %[[CONXANDYARE0:.*]] = arith.andi %{{.*}}, %[[CONDYIS0]] : i1 |
| // CHECK: scf.if %[[CONXANDYARE0]] { |
| // CHECK: vector.transfer_read |
| // CHECK: vector.reduction <add> |
| // CHECK: math.sqrt |
| // CHECK: vector.transfer_write |
| // CHECK: gpu.barrier |
| // CHECK: memref.dealloc %[[SHMEM_ALLOC]] : memref<1x2xf32, #gpu.address_space<workgroup>> |
| |
| |
| // EXEC: result[0]: hal.buffer_view |
| // EXEC-NEXT: 8xf32=8 8 8 8 8 8 8 8 |
