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subcoding/grow/grow.go

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package main
import "log"
import "github.com/firestuff/subcoding/asm"
import "github.com/firestuff/subcoding/gen"
import "github.com/firestuff/subcoding/vm"
func (def *Definition) Grow() {
high_score := 0
log.Print("Starting grow run...")
// TODO: Score should be number of output criteria, not number of Samples
for high_score < len(def.Samples) {
prog := gen.RandProgram(def.GlobalMemorySize, def.FunctionMemorySize)
{
src, err := asm.Disassemble(prog)
if err != nil {
log.Fatal(err)
}
log.Print("Prog:\n%s", src)
}
score, err := def.Score(prog)
if err != nil {
log.Fatal(err)
}
if score > high_score {
high_score = score
src, err := asm.Disassemble(prog)
if err != nil {
log.Fatal(err)
}
log.Print("New high score %d / %d:\n%s", high_score, len(def.Samples), src)
}
}
}
func (def *Definition) Score(prog *vm.Program) (int, error) {
score := 0
for _, sample := range def.Samples {
state, err := vm.NewState(prog)
if err != nil {
return 0, err
}
sample.SetInputs(state)
state.Execute() // ignore error
if sample.OutputsMatch(state) {
score += 1
}
}
return score, nil
}