Exemple #1
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    def solve(file):
        instance = CVRPInstance.from_file(file)

        logger.info("Finetunning on evaluation instance.")
        model_finetuned = finetune(model, instance)

        logger.info("Starting to dynamic route.")
        for delivery in tqdm(instance.deliveries):
            model_finetuned = route(model_finetuned, delivery)

        solution = finish(instance, model_finetuned)

        solution.to_file(output_dir / f"{instance.name}.json")
Exemple #2
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    eval_files = ([eval_path]
                  if eval_path.is_file() else list(eval_path.iterdir()))

    train_path = Path(args.train_instances)
    train_path_dir = train_path if train_path.is_dir() else train_path.parent
    train_files = ([train_path]
                   if train_path.is_file() else list(train_path.iterdir()))

    # params = params_class.from_file(args.params) if args.params else None

    params = None

    output_dir = Path(args.output or ".")
    output_dir.mkdir(parents=True, exist_ok=True)

    train_instances = [CVRPInstance.from_file(f) for f in train_files[:240]]

    logger.info("Pretraining on training instances.")
    model = pretrain(train_instances)

    def solve(file):
        instance = CVRPInstance.from_file(file)

        logger.info("Finetunning on evaluation instance.")
        model_finetuned = finetune(model, instance)

        logger.info("Starting to dynamic route.")
        for delivery in tqdm(instance.deliveries):
            model_finetuned = route(model_finetuned, delivery)

        solution = finish(instance, model_finetuned)
Exemple #3
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 def solve(file):
     instance = CVRPInstance.from_file(file)
     solution = method(instance, params)
     solution.to_file(output_dir / f"{instance.name}.json")