Add benchmarks (#979)

Add scripts to build and run benchmark of coremark, polybench,
sightglass and jetstream2. And add documents.
This commit is contained in:
Wenyong Huang
2022-01-25 10:52:48 +08:00
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# Introduction
[CoreMark's](https://www.eembc.org/coremark) primary goals are simplicity and providing a method for testing only a processor's core features.
**Source**: https://github.com/eembc/coremark
# Building
Please build iwasm and wamrc, refer to:
- [Build iwasm on Linux](../../../doc/build_wamr.md#linux), or [Build iwasm on MacOS](../../../doc/build_wamr.md#macos)
- [build wamrc AOT compiler](../../../README.md#build-wamrc-aot-compiler)
And install WASI SDK, please download the [wasi-sdk release](https://github.com/CraneStation/wasi-sdk/releases) and extract the archive to default path `/opt/wasi-sdk`.
And then run `./build.sh` to build the source code, file `coremark.exe`, `coremark.wasm` and `coremark.aot` will be generated.
# Running
Run `./run.sh` to test the benchmark, the native mode, iwasm aot mode and iwasm interpreter mode will be tested respectively.