perf: improve get_subset_sum performance #5

	name: CodSpeed
	on:
	push:
	branches:
	- "main"
	pull_request:
	# `workflow_dispatch` allows CodSpeed to trigger backtest
	# performance analysis in order to generate initial data.
	workflow_dispatch:
	jobs:
	benchmarks:
	name: Run benchmarks
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Setup rust toolchain, cache and cargo-codspeed binary
	uses: moonrepo/setup-rust@v0
	with:
	channel: stable
	cache-target: release
	bins: cargo-codspeed
	- name: Build the benchmark target(s)
	run: cargo codspeed build -p subset_sum
	- name: Run the benchmarks
	uses: CodSpeedHQ/action@v3
	with:
	run: cargo codspeed run -p subset_sum
	token: ${{ secrets.CODSPEED_TOKEN }}

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