bench

Use the gungraun benchmark framework to get reliable instruction count numbers on CI #12

	name: bench
	on:
	pull_request:
	push:
	branches:
	main

	jobs:
	bench:
	name: Benchmarks
	environment: ${{ github.ref_name == 'main' && 'production' \|\| 'pull_request' }}
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@master
	- uses: dtolnay/rust-toolchain@stable
	- uses: Swatinem/rust-cache@v2
	- name: Set up dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y valgrind gdb libc6-dbg # Needed for gungraun
	- name: Install gungraun-runner
	run: \|
	cargo install gungraun-runner --version 0.17.0

	- name: Benchmark
	run: \|
	cargo benchmark --bench instruction-count --features gungraun

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