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Rastrigin benchmark. #141
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Rastrigin benchmark. #141
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b50ca87
Add Rastrigin benchmark
c-bata 7b97f03
Run Rastrigin benchmark on GitHub Actions
c-bata c997d7a
Fix benchmark runner
c-bata 90f5033
fix
c-bata b6b43d8
Add solvers option for benchmark
c-bata 507b4e5
Fix IPOP-CMA-ES and BIPOP-CMA-ES
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "math" | ||
| "os" | ||
| "strconv" | ||
|
|
||
| "github.com/sile/kurobako-go" | ||
| ) | ||
|
|
||
| type rastriginProblemFactory struct { | ||
| dim int | ||
| } | ||
|
|
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| func (r *rastriginProblemFactory) Specification() (*kurobako.ProblemSpec, error) { | ||
| spec := kurobako.NewProblemSpec(fmt.Sprintf("Rastrigin function (dim=%d)", r.dim)) | ||
|
|
||
| spec.Params = make([]kurobako.Var, r.dim) | ||
| for i := 0; i < r.dim; i++ { | ||
| x := kurobako.NewVar("x" + strconv.Itoa(i+1)) | ||
| x.Range = kurobako.ContinuousRange{Low: -5.12, High: 5.12}.ToRange() | ||
| spec.Params[i] = x | ||
| } | ||
|
|
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| spec.Values = []kurobako.Var{kurobako.NewVar("Rastrigin")} | ||
| return &spec, nil | ||
| } | ||
|
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| func (r *rastriginProblemFactory) CreateProblem(seed int64) (kurobako.Problem, error) { | ||
| return &rastriginProblem{}, nil | ||
| } | ||
|
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| type rastriginProblem struct { | ||
| } | ||
|
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| func (r *rastriginProblem) CreateEvaluator(params []float64) (kurobako.Evaluator, error) { | ||
| return &rastriginEvaluator{params: params}, nil | ||
| } | ||
|
|
||
| type rastriginEvaluator struct { | ||
| params []float64 | ||
| } | ||
|
|
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| func (r *rastriginEvaluator) Evaluate(nextStep uint64) (uint64, []float64, error) { | ||
| v := float64(10 * len(r.params)) | ||
| for i := range r.params { | ||
| v += math.Pow(r.params[i], 2) - 10*math.Cos(2*math.Pi*r.params[i]) | ||
| } | ||
| return 1, []float64{v}, nil | ||
| } | ||
|
|
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| func main() { | ||
| var dim int | ||
| if len(os.Args) == 2 { | ||
| a := os.Args[1] | ||
| b, err := strconv.Atoi(a) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| dim = b | ||
| } | ||
| runner := kurobako.NewProblemRunner(&rastriginProblemFactory{ | ||
| dim: dim, | ||
| }) | ||
| if err := runner.Run(); err != nil { | ||
| panic(err) | ||
| } | ||
| } |
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It is required to add epsilon to negative values only for termination criterions.