register op: ctcloss

mindspore/ops/_op_impl/aicpu/__init__.py

@@ -24,3 +24,4 @@ from .flatten import _flatten_aicpu
 from .squeeze import _squeeze_aicpu
 from .expand_dims import _expand_dims_aicpu
 from .random_choice_with_mask import _random_choice_with_mask_aicpu
+from .ctcloss import _ctcloss_aicpu

mindspore/ops/_op_impl/aicpu/ctcloss.py

@@ -0,0 +1,42 @@
+# Copyright 2020 Huawei Technologies Co., Ltd
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ============================================================================
+
+"""CTCLoss op"""
+from mindspore.ops.op_info_register import op_info_register, AiCPURegOp, DataType
+ctcloss_op_info = AiCPURegOp("CTCLoss") \
+    .fusion_type("OPAQUE") \
+    .input(0, "inputs", "required") \
+    .input(1, "labels_indices", "required") \
+    .input(2, "labels_values", "required") \
+    .input(3, "sequence_length", "required") \
+    .output(0, "loss", "required") \
+    .output(1, "gradient", "required") \
+    .attr("preprocess_collapse_repeated", "bool") \
+    .attr("ctc_merge_repeated", "bool") \
+    .attr("ignore_longer_outputs_than_inputs", "bool") \
+    .dtype_format(DataType.F32_Default, DataType.I64_Default, DataType.I32_Default, DataType.I32_Default,
+                  DataType.F32_Default, DataType.F32_Default) \
+    .dtype_format(DataType.F64_Default, DataType.I64_Default, DataType.I32_Default, DataType.I32_Default,
+                  DataType.F64_Default, DataType.F64_Default) \
+    .dtype_format(DataType.F32_NCHW, DataType.I64_NCHW, DataType.I32_NCHW, DataType.I32_NCHW,
+                  DataType.F32_NCHW, DataType.F32_NCHW) \
+    .dtype_format(DataType.F64_NCHW, DataType.I64_NCHW, DataType.I32_NCHW, DataType.I32_NCHW,
+                  DataType.F64_NCHW, DataType.F64_NCHW) \
+    .get_op_info()
+
+@op_info_register(ctcloss_op_info)
+def _ctcloss_aicpu():
+    """CTCLoss AiCPU register"""
+    return