| // RUN: mlir-opt %s \ |
| // RUN: -gpu-kernel-outlining \ |
| // RUN: -pass-pipeline='gpu.module(strip-debuginfo,convert-gpu-to-nvvm,gpu-to-cubin)' \ |
| // RUN: -gpu-async-region -gpu-to-llvm \ |
| // RUN: -async-to-async-runtime -async-runtime-ref-counting \ |
| // RUN: -convert-async-to-llvm -convert-std-to-llvm \ |
| // RUN: | mlir-cpu-runner \ |
| // RUN: --shared-libs=%linalg_test_lib_dir/libmlir_cuda_runtime%shlibext \ |
| // RUN: --shared-libs=%linalg_test_lib_dir/libmlir_async_runtime%shlibext \ |
| // RUN: --shared-libs=%linalg_test_lib_dir/libmlir_runner_utils%shlibext \ |
| // RUN: --entry-point-result=void -O0 \ |
| // RUN: | FileCheck %s |
| |
| func @main() { |
| %c0 = arith.constant 0 : index |
| %c1 = arith.constant 1 : index |
| %count = arith.constant 2 : index |
| |
| // initialize h0 on host |
| %h0 = memref.alloc(%count) : memref<?xi32> |
| %h0_unranked = memref.cast %h0 : memref<?xi32> to memref<*xi32> |
| gpu.host_register %h0_unranked : memref<*xi32> |
| |
| %v0 = arith.constant 42 : i32 |
| memref.store %v0, %h0[%c0] : memref<?xi32> |
| memref.store %v0, %h0[%c1] : memref<?xi32> |
| |
| // copy h0 to b0 on device. |
| %t0, %f0 = async.execute () -> !async.value<memref<?xi32>> { |
| %b0 = gpu.alloc(%count) : memref<?xi32> |
| gpu.memcpy %b0, %h0 : memref<?xi32>, memref<?xi32> |
| async.yield %b0 : memref<?xi32> |
| } |
| |
| // copy h0 to b1 and b2 (fork) |
| %t1, %f1 = async.execute [%t0] ( |
| %f0 as %b0 : !async.value<memref<?xi32>> |
| ) -> !async.value<memref<?xi32>> { |
| %b1 = gpu.alloc(%count) : memref<?xi32> |
| gpu.memcpy %b1, %b0 : memref<?xi32>, memref<?xi32> |
| async.yield %b1 : memref<?xi32> |
| } |
| %t2, %f2 = async.execute [%t0] ( |
| %f0 as %b0 : !async.value<memref<?xi32>> |
| ) -> !async.value<memref<?xi32>> { |
| %b2 = gpu.alloc(%count) : memref<?xi32> |
| gpu.memcpy %b2, %b0 : memref<?xi32>, memref<?xi32> |
| async.yield %b2 : memref<?xi32> |
| } |
| |
| // h0 = b1 + b2 (join). |
| %t3 = async.execute [%t1, %t2] ( |
| %f1 as %b1 : !async.value<memref<?xi32>>, |
| %f2 as %b2 : !async.value<memref<?xi32>> |
| ) { |
| gpu.launch blocks(%bx, %by, %bz) in (%grid_x = %c1, %grid_y = %c1, %grid_z = %c1) |
| threads(%tx, %ty, %tz) in (%block_x = %count, %block_y = %c1, %block_z = %c1) { |
| %v1 = memref.load %b1[%tx] : memref<?xi32> |
| %v2 = memref.load %b2[%tx] : memref<?xi32> |
| %sum = arith.addi %v1, %v2 : i32 |
| memref.store %sum, %h0[%tx] : memref<?xi32> |
| gpu.terminator |
| } |
| async.yield |
| } |
| |
| async.await %t3 : !async.token |
| // CHECK: [84, 84] |
| call @print_memref_i32(%h0_unranked) : (memref<*xi32>) -> () |
| return |
| } |
| |
| func private @print_memref_i32(memref<*xi32>) |