models/research/object_detection/protos/graph_rewriter.proto

syntax = "proto2";

package object_detection.protos;

// Message to configure graph rewriter for the tf graph.
message GraphRewriter {
  optional Quantization quantization = 1;
  extensions 1000 to max;
}

// Message for quantization options. See
// tensorflow/contrib/quantize/python/quantize.py for details.
message Quantization {
  // Number of steps to delay before quantization takes effect during training.
  optional int32 delay = 1 [default = 500000];

  // Number of bits to use for quantizing weights.
  // Only 8 bit is supported for now.
  optional int32 weight_bits = 2 [default = 8];

  // Number of bits to use for quantizing activations.
  // Only 8 bit is supported for now.
  optional int32 activation_bits = 3 [default = 8];

  // Whether to use symmetric weight quantization.
  optional bool symmetric = 4 [default = false];
}