mirror of https://github.com/bytecodealliance/wasm-micro-runtime.git synced 2025-02-06 23:15:16 +00:00

wasi-nn: Support multiple TFLite models (#2002 )

Remove restrictions:
- Only 1 WASM app at a time
- Only 1 model at a time
   - `graph` and `graph-execution-context` are ignored

Refer to previous document:
e8d718096d/core/iwasm/libraries/wasi-nn/README.md

2023-03-08 15:54:06 +08:00

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WASI-NN

How to use

Enable WASI-NN in the WAMR by spefiying it in the cmake building configuration as follows,

set (WAMR_BUILD_WASI_NN  1)

The definition of the functions provided by WASI-NN is in the header file core/iwasm/libraries/wasi-nn/wasi_nn.h.

By only including this file in your WASM application you will bind WASI-NN into your module.

Tests

To run the tests we assume that the current directory is the root of the repository.

Build the runtime

Build the runtime image for your execution target type.

EXECUTION_TYPE can be:

cpu
nvidia-gpu

EXECUTION_TYPE=cpu
docker build -t wasi-nn-${EXECUTION_TYPE} -f core/iwasm/libraries/wasi-nn/test/Dockerfile.${EXECUTION_TYPE} .

Build wasm app

docker build -t wasi-nn-compile -f core/iwasm/libraries/wasi-nn/test/Dockerfile.compile .

docker run -v $PWD/core/iwasm/libraries/wasi-nn:/wasi-nn wasi-nn-compile

Run wasm app

If all the tests have run properly you will the the following message in the terminal,

Tests: passed!

docker run \
    -v $PWD/core/iwasm/libraries/wasi-nn/test:/assets wasi-nn-cpu \
    --dir=/assets \
    --env="TARGET=cpu" \
    /assets/test_tensorflow.wasm

(NVIDIA) GPU

docker run \
    --runtime=nvidia \
    -v $PWD/core/iwasm/libraries/wasi-nn/test:/assets wasi-nn-nvidia-gpu \
    --dir=/assets \
    --env="TARGET=gpu" \
    /assets/test_tensorflow.wasm

Requirements:

NVIDIA docker.

What is missing

Supported:

Graph encoding: tensorflowlite.
Execution target: cpu and gpu.
Tensor type: fp32.

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