// Copyright 2024 Google LLC.
//
// 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.
syntax = "proto3";
package google.gdm.gdmscience.alphagenome.v1main;
option go_package = "google.golang.org/genproto/googleapis/gdm/gdmscience/alphagenome/v1main;alphagenome";
option java_multiple_files = true;
option java_outer_classname = "TensorProto";
option java_package = "com.google.gdm.gdmscience.alphagenome.v1main";
// Protocol buffer representing an arbitrarily large multi-dimensional array of
// data, laid out in row-major format. To support tensors larger than the
// maximum protocol buffer message size, the tensor payload may be split into
// multiple chunks.
message Tensor {
// The shape of the tensor. If empty, the data will be treated as a scalar.
repeated int32 shape = 1;
// Data type for the elements in this tensor.
DataType data_type = 2;
// The payload for the tensor.
oneof payload {
// The raw data for the tensor. If present, the tensor is not split into
// chunks.
TensorChunk array = 3;
// The number of chunks the tensor is split into.
int64 chunk_count = 4;
}
}
// A single chunk of a tensor.
message TensorChunk {
// Flattened tensor data. Data is laid out in row-major order.
bytes data = 1;
// How the data is compressed. Compression is applied to each chunk
// independently.
CompressionType compression_type = 2;
}
// The data type of the tensor.
enum DataType {
// Unspecified data type.
DATA_TYPE_UNSPECIFIED = 0;
// 16-bit "Brain Floating Point". See
// https://en.wikipedia.org/wiki/Bfloat16_floating-point_format for more
// details.
DATA_TYPE_BFLOAT16 = 1;
// 16-bit floating point.
DATA_TYPE_FLOAT16 = 11;
// 32-bit floating point.
DATA_TYPE_FLOAT32 = 2;
// 64-bit floating point.
DATA_TYPE_FLOAT64 = 3;
// 8-bit signed integer.
DATA_TYPE_INT8 = 4;
// 32-bit signed integer.
DATA_TYPE_INT32 = 5;
// 64-bit signed integer.
DATA_TYPE_INT64 = 6;
// 8-bit unsigned integer.
DATA_TYPE_UINT8 = 7;
// 32-bit unsigned integer.
DATA_TYPE_UINT32 = 8;
// 64-bit unsigned integer.
DATA_TYPE_UINT64 = 9;
// 8-bit boolean.
DATA_TYPE_BOOL = 10;
}
// Compression type for the tensor data.
enum CompressionType {
// No compression.
COMPRESSION_TYPE_NONE = 0;
// ZSTD compression.
COMPRESSION_TYPE_ZSTD = 1;
}
