| // RUN: mlir-opt -test-mesh-resharding-spmdization %s | FileCheck %s |
| |
| mesh.mesh @mesh_1d(shape = 2) |
| mesh.mesh @mesh_1d_dynamic(shape = ?) |
| |
| // CHECK-LABEL: func @same_source_and_target_sharding |
| func.func @same_source_and_target_sharding( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<2xf32> |
| %arg0: tensor<2xf32> |
| ) -> tensor<2xf32> { |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[]]> : tensor<2xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[]]> annotate_for_users : tensor<2xf32> |
| // CHECK: return %[[ARG]] |
| return %1 : tensor<2xf32> |
| } |
| |
| // CHECK-LABEL: func @split_replicated_tensor_axis |
| func.func @split_replicated_tensor_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<3x14xf32> |
| %arg0: tensor<3x14xf32> |
| ) -> tensor<3x14xf32> { |
| // CHECK: %[[ALL_SLICE:.*]] = mesh.all_slice %[[ARG]] on @mesh_1d mesh_axes = [0] slice_axis = 1 |
| // CHECK-SAME: tensor<3x14xf32> -> tensor<3x7xf32> |
| // CHECK: %[[RESULT:.*]] = builtin.unrealized_conversion_cast %[[ALL_SLICE]] : tensor<3x7xf32> to tensor<3x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[]]> : tensor<3x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[], [0]]> annotate_for_users : tensor<3x14xf32> |
| // CHECK: return %[[RESULT]] : tensor<3x14xf32> |
| return %1 : tensor<3x14xf32> |
| } |
| |
| // CHECK-LABEL: func @split_replicated_tensor_axis_dynamic |
| func.func @split_replicated_tensor_axis_dynamic( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<?x3x?xf32> |
| %arg0: tensor<?x3x?xf32> |
| ) -> tensor<?x3x?xf32> { |
| // CHECK: %[[RESULT:.*]] = mesh.all_slice %[[ARG]] on @mesh_1d_dynamic mesh_axes = [0] slice_axis = 0 |
| // CHECK-SAME: tensor<?x3x?xf32> -> tensor<?x3x?xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d_dynamic, [[], [], []]> : tensor<?x3x?xf32> |
| %1 = mesh.shard %0 to <@mesh_1d_dynamic, [[0]]> annotate_for_users : tensor<?x3x?xf32> |
| // CHECK: return %[[RESULT]] : tensor<?x3x?xf32> |
| return %1 : tensor<?x3x?xf32> |
| } |
| |
| // CHECK-LABEL: func @move_split_axis |
| func.func @move_split_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<10x14xf32> |
| %arg0: tensor<10x14xf32> |
| ) -> tensor<10x14xf32> { |
| // CHECK: %[[SOURCE_SHARD:.*]] = builtin.unrealized_conversion_cast %[[ARG]] : tensor<10x14xf32> to tensor<5x14xf32> |
| // CHECK: %[[TARGET_SHARD:.*]] = mesh.all_to_all %[[SOURCE_SHARD]] on @mesh_1d mesh_axes = [0] split_axis = 1 concat_axis = 0 : tensor<5x14xf32> -> tensor<10x7xf32> |
| // CHECK: %[[RES:.*]] = builtin.unrealized_conversion_cast %[[TARGET_SHARD]] : tensor<10x7xf32> to tensor<10x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[0]]> : tensor<10x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[], [0]]> annotate_for_users : tensor<10x14xf32> |
| // CHECK: return %[[RES]] : tensor<10x14xf32> |
| return %1 : tensor<10x14xf32> |
| } |
| |
| // CHECK-LABEL: func @move_split_axis_dynamic_mesh |
| func.func @move_split_axis_dynamic_mesh( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<10x14xf32> |
| %arg0: tensor<10x14xf32> |
| ) -> tensor<10x14xf32> { |
| // CHECK: %[[SOURCE_SHARD:.*]] = builtin.unrealized_conversion_cast %[[ARG]] : tensor<10x14xf32> to tensor<?x14xf32> |
| // CHECK: %[[ALL_TO_ALL:.*]] = mesh.all_to_all %[[SOURCE_SHARD]] on @mesh_1d_dynamic mesh_axes = [0] split_axis = 1 concat_axis = 0 : tensor<?x14xf32> -> tensor<?x?xf32> |
| // CHECK: %[[TARGET_SHARD:.*]] = tensor.cast %[[ALL_TO_ALL]] : tensor<?x?xf32> to tensor<10x?xf32> |
| // CHECK: %[[RES:.*]] = builtin.unrealized_conversion_cast %[[TARGET_SHARD]] : tensor<10x?xf32> to tensor<10x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d_dynamic, [[0]]> : tensor<10x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d_dynamic, [[], [0]]> annotate_for_users : tensor<10x14xf32> |
| // CHECK: return %[[RES]] : tensor<10x14xf32> |
| return %1 : tensor<10x14xf32> |
| } |
| |
| // CHECK-LABEL: func @move_split_dynamic_axis |
| func.func @move_split_dynamic_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<?x14xf32> |
| %arg0: tensor<?x14xf32> |
| ) -> tensor<?x14xf32> { |
| // CHECK: %[[TARGET_SHARD:.*]] = mesh.all_to_all %[[ARG]] on @mesh_1d mesh_axes = [0] split_axis = 1 concat_axis = 0 : tensor<?x14xf32> -> tensor<?x7xf32> |
| // CHECK: %[[RES:.*]] = builtin.unrealized_conversion_cast %[[TARGET_SHARD]] : tensor<?x7xf32> to tensor<?x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[0]]> : tensor<?x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[], [0]]> annotate_for_users : tensor<?x14xf32> |
| // CHECK: return %[[RES]] : tensor<?x14xf32> |
| return %1 : tensor<?x14xf32> |
| } |
| |
| // CHECK-LABEL: func @unshard_static_axis |
| func.func @unshard_static_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<10x14xf32> |
| %arg0: tensor<10x14xf32> |
| ) -> tensor<10x14xf32> { |
| // CHECK: %[[SOURCE_SHARD:.*]] = builtin.unrealized_conversion_cast %[[ARG]] : tensor<10x14xf32> to tensor<5x14xf32> |
| // CHECK: %[[ALL_GATHER:.*]] = mesh.all_gather %[[SOURCE_SHARD]] on @mesh_1d mesh_axes = [0] gather_axis = 0 : tensor<5x14xf32> -> tensor<10x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[0]]> : tensor<10x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[]]> annotate_for_users : tensor<10x14xf32> |
| // CHECK: return %[[ALL_GATHER]] : tensor<10x14xf32> |
| return %1 : tensor<10x14xf32> |
| } |
| |
| // CHECK-LABEL: func @unshard_dynamic_axis |
| func.func @unshard_dynamic_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<?x14xf32> |
| %arg0: tensor<?x14xf32> |
| ) -> tensor<?x14xf32> { |
| // CHECK: %[[ALL_GATHER:.*]] = mesh.all_gather %[[ARG]] on @mesh_1d mesh_axes = [0] gather_axis = 0 : tensor<?x14xf32> -> tensor<?x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[0]]> : tensor<?x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[]]> annotate_for_users : tensor<?x14xf32> |
| // CHECK: return %[[ALL_GATHER]] : tensor<?x14xf32> |
| return %1 : tensor<?x14xf32> |
| } |
| |
| // CHECK-LABEL: func @unshard_static_axis_on_dynamic_mesh_axis |
| func.func @unshard_static_axis_on_dynamic_mesh_axis( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<10x14xf32> |
| %arg0: tensor<10x14xf32> |
| ) -> tensor<10x14xf32> { |
| // CHECK: %[[SOURCE_SHARD:.*]] = builtin.unrealized_conversion_cast %[[ARG]] : tensor<10x14xf32> to tensor<?x14xf32> |
| // CHECK: %[[ALL_GATHER:.*]] = mesh.all_gather %[[SOURCE_SHARD]] on @mesh_1d_dynamic mesh_axes = [0] gather_axis = 0 : tensor<?x14xf32> -> tensor<?x14xf32> |
| // CHECK: %[[RES:.*]] = tensor.cast %[[ALL_GATHER]] : tensor<?x14xf32> to tensor<10x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d_dynamic, [[0]]> : tensor<10x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d_dynamic, [[]]> annotate_for_users : tensor<10x14xf32> |
| // CHECK: return %[[RES]] : tensor<10x14xf32> |
| return %1 : tensor<10x14xf32> |
| } |
| |
| // CHECK-LABEL: func @partial_axis_to_full_replication |
| func.func @partial_axis_to_full_replication( |
| // CHECK-SAME: %[[ARG:.*]]: tensor<10x14xf32> |
| %arg0: tensor<10x14xf32> |
| ) -> tensor<10x14xf32> { |
| // CHECK: %[[ALL_REDUCE:.*]] = mesh.all_reduce %[[ARG]] on @mesh_1d mesh_axes = [0] : tensor<10x14xf32> -> tensor<10x14xf32> |
| %0 = mesh.shard %arg0 to <@mesh_1d, [[]], partial = sum[0]> : tensor<10x14xf32> |
| %1 = mesh.shard %0 to <@mesh_1d, [[]]> annotate_for_users : tensor<10x14xf32> |
| // CHECK: %[[ALL_REDUCE]] : tensor<10x14xf32> |
| return %1 : tensor<10x14xf32> |
| } |