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dnn/native: add native support for dense

Mingyu Yin committed 6 years ago

Commit ad2546e1 parent adcdf0b9 files · +443 −9Browse files

Showing the changes to tools/python (1 of 9 files). Show all

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tools/python/convert_from_tensorflow.py+118−8
@@ -48,9 +48,9 @@ class Operand(object): · 47 unmodified lines
48 self.used_count = self.used_count + 148 self.used_count = self.used_count + 1
49 49
50 def __str__(self):50 def __str__(self):
51 return "{}: (name: {}, iotype: {}, dtype: {}, dims: ({},{},{},{}) used_count: {})".format(self.index,51 return "{}: (name: {}, iotype: {}, dtype: {}, dims: {}, used_count: {})".format(self.index,
52 self.name, self.iotype2str[self.iotype], self.dtype2str[self.dtype],52 self.name, self.iotype2str[self.iotype], self.dtype2str[self.dtype],
53 self.dims[0], self.dims[1], self.dims[2], self.dims[3], self.used_count)53 self.dims, self.used_count)
54 54
55 def __lt__(self, other):55 def __lt__(self, other):
56 return self.index < other.index56 return self.index < other.index
@@ -71,8 +71,10 @@ class TFConverter: · 14 unmodified lines
71 self.converted_nodes = set()71 self.converted_nodes = set()
72 self.conv2d_scope_names = set()72 self.conv2d_scope_names = set()
73 self.conv2d_scopename_inputname_dict = {}73 self.conv2d_scopename_inputname_dict = {}
74 self.dense_scope_names = set()
75 self.dense_scopename_inputname_dict = {}
74 self.op2code = {'Conv2D':1, 'DepthToSpace':2, 'MirrorPad':3, 'Maximum':4,76 self.op2code = {'Conv2D':1, 'DepthToSpace':2, 'MirrorPad':3, 'Maximum':4,
75 'MathBinary':5, 'MathUnary':6, 'AvgPool':7}77 'MathBinary':5, 'MathUnary':6, 'AvgPool':7, 'MatMul':8}
76 self.mathbin2code = {'Sub':0, 'Add':1, 'Mul':2, 'RealDiv':3, 'Minimum':4, 'FloorMod':5}78 self.mathbin2code = {'Sub':0, 'Add':1, 'Mul':2, 'RealDiv':3, 'Minimum':4, 'FloorMod':5}
77 self.mathun2code = {'Abs':0, 'Sin':1, 'Cos':2, 'Tan':3, 'Asin':4,79 self.mathun2code = {'Abs':0, 'Sin':1, 'Cos':2, 'Tan':3, 'Asin':4,
78 'Acos':5, 'Atan':6, 'Sinh':7, 'Cosh':8, 'Tanh':9, 'Asinh':10,80 'Acos':5, 'Atan':6, 'Sinh':7, 'Cosh':8, 'Tanh':9, 'Asinh':10,
@@ -126,6 +128,22 @@ class TFConverter: · 47 unmodified lines
126 return knode, bnode, dnode, anode128 return knode, bnode, dnode, anode
127 129
128 130
131 def get_dense_params(self, dense_scope_name):
132 knode = self.name_node_dict[dense_scope_name + '/kernel']
133 bnode = self.name_node_dict.get(dense_scope_name + '/bias')
134 # the BiasAdd name is possible be changed into the output name,
135 # if activation is None, and BiasAdd.next is the last op which is Identity
136 anode = None
137 if bnode:
138 if dense_scope_name + '/BiasAdd' in self.edges:
139 anode = self.edges[dense_scope_name + '/BiasAdd'][0]
140 if anode.op not in self.conv_activations:
141 anode = None
142 else:
143 anode = None
144 return knode, bnode, anode
145
146
129 def dump_complex_conv2d_to_file(self, node, f):147 def dump_complex_conv2d_to_file(self, node, f):
130 assert(node.op == 'Conv2D')148 assert(node.op == 'Conv2D')
131 self.layer_number = self.layer_number + 1149 self.layer_number = self.layer_number + 1
@@ -181,6 +199,57 @@ class TFConverter: · 49 unmodified lines
181 output_operand_index = self.add_operand(self.edges[bnode.name][0].name, Operand.IOTYPE_OUTPUT)199 output_operand_index = self.add_operand(self.edges[bnode.name][0].name, Operand.IOTYPE_OUTPUT)
182 np.array([input_operand_index, output_operand_index], dtype=np.uint32).tofile(f)200 np.array([input_operand_index, output_operand_index], dtype=np.uint32).tofile(f)
183 201
202 def dump_dense_to_file(self, node, f):
203 assert(node.op == 'MatMul')
204 self.layer_number = self.layer_number + 1
205 self.converted_nodes.add(node.name)
206
207 scope_name = TFConverter.get_scope_name(node.name)
208 #knode for kernel, bnode for bias, anode for activation
209 knode, bnode, anode = self.get_dense_params(scope_name.split('/')[0])
210
211 if bnode is not None:
212 has_bias = 1
213 btensor = bnode.attr['value'].tensor
214 if btensor.tensor_shape.dim[0].size == 1:
215 bias = struct.pack("f", btensor.float_val[0])
216 else:
217 bias = btensor.tensor_content
218 else:
219 has_bias = 0
220
221 if anode is not None:
222 activation = anode.op
223 else:
224 activation = 'None'
225
226 ktensor = knode.attr['value'].tensor
227 in_channels = ktensor.tensor_shape.dim[0].size
228 out_channels = ktensor.tensor_shape.dim[1].size
229 if in_channels * out_channels == 1:
230 kernel = np.float32(ktensor.float_val[0])
231 else:
232 kernel = np.frombuffer(ktensor.tensor_content, dtype=np.float32)
233 kernel = kernel.reshape(in_channels, out_channels)
234 kernel = np.transpose(kernel, [1, 0])
235
236 np.array([self.op2code[node.op], self.conv_activations[activation], in_channels, out_channels, has_bias], dtype=np.uint32).tofile(f)
237 kernel.tofile(f)
238 if has_bias:
239 f.write(bias)
240
241 input_name = self.dense_scopename_inputname_dict[scope_name.split('/')[0]]
242 input_operand_index = self.add_operand(input_name, Operand.IOTYPE_INPUT)
243
244 if anode is not None:
245 output_operand_index = self.add_operand(anode.name, Operand.IOTYPE_OUTPUT)
246 else:
247 if bnode is not None:
248 output_operand_index = self.add_operand(self.edges[bnode.name][0].name, Operand.IOTYPE_OUTPUT)
249 else:
250 output_operand_index = self.add_operand(self.edges[scope_name+'/concat_1'][0].name, Operand.IOTYPE_OUTPUT)
251 np.array([input_operand_index, output_operand_index], dtype=np.uint32).tofile(f)
252
184 253
185 def dump_simple_conv2d_to_file(self, node, f):254 def dump_simple_conv2d_to_file(self, node, f):
186 assert(node.op == 'Conv2D')255 assert(node.op == 'Conv2D')
@@ -343,9 +412,19 @@ class TFConverter: · 156 unmodified lines
343 if node.op == 'Conv2D':412 if node.op == 'Conv2D':
344 self.dump_complex_conv2d_to_file(node, f)413 self.dump_complex_conv2d_to_file(node, f)
345 continue414 continue
415 if self.in_dense_scope(node.name):
416 if node.op == 'MatMul':
417 self.dump_dense_to_file(node, f)
418 continue
419
346 420
347 if node.op == 'Conv2D':421 if node.op == 'Conv2D':
348 self.dump_simple_conv2d_to_file(node, f)422 self.dump_simple_conv2d_to_file(node, f)
423 continue
424 if node.name in self.output_names:
425 input_name = self.id_different_scope_dict[node.name]
426 if TFConverter.get_scope_name(input_name)!=TFConverter.get_scope_name(node.name):
427 continue
349 if node.op == 'AvgPool':428 if node.op == 'AvgPool':
350 self.dump_avg_pool_to_file(node, f)429 self.dump_avg_pool_to_file(node, f)
351 elif node.op == 'DepthToSpace':430 elif node.op == 'DepthToSpace':
@@ -367,7 +446,7 @@ class TFConverter: · 15 unmodified lines
367 np.array([operand.index, len(operand.name)], dtype=np.uint32).tofile(f)446 np.array([operand.index, len(operand.name)], dtype=np.uint32).tofile(f)
368 f.write(operand.name.encode('utf-8'))447 f.write(operand.name.encode('utf-8'))
369 np.array([operand.iotype, operand.dtype], dtype=np.uint32).tofile(f)448 np.array([operand.iotype, operand.dtype], dtype=np.uint32).tofile(f)
370 np.array([operand.dims[0], operand.dims[1], operand.dims[2], operand.dims[3]], dtype=np.uint32).tofile(f)449 np.array(operand.dims, dtype=np.uint32).tofile(f)
371 450
372 451
373 def dump_to_file(self):452 def dump_to_file(self):
@@ -396,6 +475,7 @@ class TFConverter: · 22 unmodified lines
396 475
397 476
398 def remove_identity(self):477 def remove_identity(self):
478 self.id_different_scope_dict = {}
399 id_nodes = []479 id_nodes = []
400 id_dict = {}480 id_dict = {}
401 for node in self.nodes:481 for node in self.nodes:
@@ -408,6 +488,7 @@ class TFConverter: · 6 unmodified lines
408 self.name_node_dict[input].name = name488 self.name_node_dict[input].name = name
409 self.name_node_dict[name] = self.name_node_dict[input]489 self.name_node_dict[name] = self.name_node_dict[input]
410 del self.name_node_dict[input]490 del self.name_node_dict[input]
491 self.id_different_scope_dict[name] = input
411 else:492 else:
412 id_dict[name] = input493 id_dict[name] = input
413 494
@@ -449,8 +530,18 @@ class TFConverter: · 35 unmodified lines
449 return False530 return False
450 531
451 532
452 def generate_conv2d_scope_info(self):533 def in_dense_scope(self, name):
453 # mostly, conv2d is a sub block in graph, get the scope name534 inner_scope = TFConverter.get_scope_name(name)
535 if inner_scope == "":
536 return False;
537 for scope in self.dense_scope_names:
538 index = inner_scope.find(scope)
539 if index == 0:
540 return True
541 return False
542
543 def generate_sub_block_op_scope_info(self):
544 # mostly, conv2d/dense is a sub block in graph, get the scope name
454 for node in self.nodes:545 for node in self.nodes:
455 if node.op == 'Conv2D':546 if node.op == 'Conv2D':
456 scope = TFConverter.get_scope_name(node.name)547 scope = TFConverter.get_scope_name(node.name)
@@ -461,8 +552,17 @@ class TFConverter: · 4 unmodified lines
461 if scope + '/kernel' not in self.name_node_dict:552 if scope + '/kernel' not in self.name_node_dict:
462 continue553 continue
463 self.conv2d_scope_names.add(scope)554 self.conv2d_scope_names.add(scope)
555 elif node.op == 'MatMul':
556 scope = TFConverter.get_scope_name(node.name)
557 # for the case tf.nn.dense is called directly
558 if scope == '':
559 continue
560 # for the case tf.nn.dense is called within a scope
561 if scope + '/kernel' not in self.name_node_dict and scope.split('/Tensordot')[0] + '/kernel' not in self.name_node_dict:
562 continue
563 self.dense_scope_names.add(scope.split('/Tensordot')[0])
464 564
465 # get the input name to the conv2d sub block565 # get the input name to the conv2d/dense sub block
466 for node in self.nodes:566 for node in self.nodes:
467 scope = TFConverter.get_scope_name(node.name)567 scope = TFConverter.get_scope_name(node.name)
468 if scope in self.conv2d_scope_names:568 if scope in self.conv2d_scope_names:
@@ -470,6 +570,16 @@ class TFConverter: · 1 unmodified line
470 for inp in node.input:570 for inp in node.input:
471 if TFConverter.get_scope_name(inp) != scope:571 if TFConverter.get_scope_name(inp) != scope:
472 self.conv2d_scopename_inputname_dict[scope] = inp572 self.conv2d_scopename_inputname_dict[scope] = inp
573 elif scope in self.dense_scope_names:
574 if node.op == 'MatMul' or node.op == 'Shape':
575 for inp in node.input:
576 if TFConverter.get_scope_name(inp) != scope:
577 self.dense_scopename_inputname_dict[scope] = inp
578 elif scope.split('/Tensordot')[0] in self.dense_scope_names:
579 if node.op == 'Transpose':
580 for inp in node.input:
581 if TFConverter.get_scope_name(inp).find(scope)<0 and TFConverter.get_scope_name(inp).find(scope.split('/')[0])<0:
582 self.dense_scopename_inputname_dict[scope.split('/Tensordot')[0]] = inp
473 583
474 584
475 def run(self):585 def run(self):
@@ -477,7 +587,7 @@ class TFConverter: · 1 unmodified line
477 self.generate_output_names()587 self.generate_output_names()
478 self.remove_identity()588 self.remove_identity()
479 self.generate_edges()589 self.generate_edges()
480 self.generate_conv2d_scope_info()590 self.generate_sub_block_op_scope_info()
481 591
482 if self.dump4tb:592 if self.dump4tb:
483 self.dump_for_tensorboard()593 self.dump_for_tensorboard()

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