https://github.com/tomasreimers/tensorjs

Read and write tensor protos from multidimensional arrays in Javascript.
https://github.com/tomasreimers/tensorjs

javascript tensor tensorflow

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Read and write tensor protos from multidimensional arrays in Javascript.

• Host: GitHub
• URL: https://github.com/tomasreimers/tensorjs
• Owner: tomasreimers
• Created: 2017-02-03T23:06:18.000Z (almost 8 years ago)
• Default Branch: master
• Last Pushed: 2017-02-25T20:51:23.000Z (almost 8 years ago)
• Last Synced: 2024-03-15T03:54:45.135Z (9 months ago)
• Topics: javascript, tensor, tensorflow
• Language: JavaScript
• Size: 19.5 KB
• Stars: 7
• Watchers: 4
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Tensor JS

## About

This library allows you to read and write Tensor protobufs (specifically the

tensors that are used by the Google TensorFlow library). The tensors are encoded/decoded

from multidimensional JS arrays.

## Installation & Building

To install this:

```

$ npm install

```

If you want to rebuild the protobuf implementations, feel free to recompile them

by running (but there *should* be no reason to do this):

```

$ ./compile.sh

```

## Usage

### Writing Tensor Protobufs

#### Function Signature

```

make_tensor(array, type)

```

 - `array`: A multidimensional array representing the tensor you want to encode

 - `type`: One of lib.types.INT or lib.types.FLOAT representing which type of tensor it is

 - `RETURNS`: A string encoding the binary value of the tensor protobuf *(NOTE: There is some nonsense about encoding the strings as UINT8s but JS using utf-16. I think I've solved all the bugs, although it is possible there are still more.)*

#### Example

```

const tensorjs = require('tensorjs');

tensorjs.make_tensor([[1, 2], [3, 4]], tensorjs.types.INT);

// returns '\b\u0003\u0012\b\u0012\u0002\b\u0002\u0012\u0002\b\u0002:\u0004\u0001\u0002\u0003\u0004'

```

#### Convenience Functions

We provide two convenience functions so that you don't have to pass in the type:

```

tensorjs.intTensor([[1, 2], [3, 4]]);

tensorjs.floatTensor([1.5, 2.5]);

```

### Reading Tensor Protobufs

#### Function Signature

```

make_array(tensor_pb)

```

 - `tensor_pb`: A string encoding the tensor protobuf.

 - `RETURNS`: A multidimensional array representing the tensor.

#### Example

```

const tensorjs = require('tensorjs');

tensorjs.make_array('\b\u0003\u0012\b\u0012\u0002\b\u0002\u0012\u0002\b\u0002:\u0004\u0001\u0002\u0003\u0004');

// returns [[1, 2], [3, 4]]

```

## Author & License (MIT)

Copyright (c) 2017 Tomas Reimers

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.