【Hackathon 5th No.112】move read_file to phi - part

paddle/fluid/pir/dialect/op_generator/ops_api_gen.py

@@ -82,6 +82,7 @@
     'layer_norm_act_xpu',
     'multi_encoder_xpu',
     'multihead_matmul',
+    'read_file',
     'squeeze_excitation_block',
     'yolo_box_xpu',
     'fusion_gru',

paddle/phi/api/yaml/op_compat.yaml

@@ -3402,6 +3402,10 @@
   outputs :
     out : Out
 
+- op: read_file
+  outputs :
+    out : Out
+
 - op: recv_v2
   outputs :
     out : Out

paddle/phi/api/yaml/ops.yaml

@@ -2056,6 +2056,18 @@
     func : qr
   backward : qr_grad
 
+- op : read_file
+  args : (str filename = "", DataType dtype = DataType::UINT8, Place place = CPUPlace())
+  output :  Tensor(out)
+  infer_meta :
+    func : ReadFileInferMeta
+    param : [filename, dtype]
+  kernel :
+    func : read_file
+    param : [filename, dtype]
+    data_type : dtype
+    backend : place
+
 - op : real
   args : (Tensor x)
   output : Tensor (out)

paddle/phi/infermeta/nullary.cc

@@ -312,4 +312,12 @@ void TriuIndicesInferMeta(
   out->set_dims(out_dims);
   out->set_dtype(dtype);
 }
+
+void ReadFileInferMeta(const std::string& filename,
+                       DataType dtype,
+                       MetaTensor* out) {
+  auto out_dims = std::vector<int>(1, -1);
+  out->set_dims(phi::make_ddim(out_dims));
+}
+
 }  // namespace phi

paddle/phi/infermeta/nullary.h

@@ -109,4 +109,9 @@ void TrilIndicesInferMeta(
 
 void TriuIndicesInferMeta(
     int row, int col, int offset, DataType dtype, MetaTensor* out);
+
+void ReadFileInferMeta(const std::string& filename,
+                       DataType dtype,
+                       MetaTensor* out);
+
 }  // namespace phi

paddle/phi/kernels/read_file_kernel.cc

@@ -0,0 +1,48 @@
+// Copyright (c) 2023 PaddlePaddle Authors. All Rights Reserved.
+//
+// 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.
+
+#include <fstream>
+#include <string>
+#include <vector>
+
+#include "paddle/phi/core/errors.h"
+#include "paddle/phi/core/generator.h"
+#include "paddle/phi/core/kernel_registry.h"
+
+namespace phi {
+
+template <typename T, typename Context>
+void ReadFileKernel(const Context& dev_ctx,
+                    const std::string& filename,
+                    DataType dtype UNUSED,
+                    DenseTensor* out) {
+  std::cout << "_______________________________________________________________"
+               "_______________"
+            << std::endl;
+  std::ifstream input(filename.c_str(),
+                      std::ios::in | std::ios::binary | std::ios::ate);
+  std::streamsize file_size = input.tellg();
+
+  input.seekg(0, std::ios::beg);
+
+  out->Resize({file_size});
+  std::cout << file_size << "__________________" << std::endl;
+  uint8_t* data = dev_ctx.template Alloc<T>(out);
+  input.read(reinterpret_cast<char*>(data), file_size);
+}
+}  // namespace phi
+
+PD_REGISTER_KERNEL(read_file, CPU, ALL_LAYOUT, phi::ReadFileKernel, uint8_t) {
+  kernel->OutputAt(0).SetDataType(phi::DataType::UINT8);
+}