Delete torch_util.py

torch_util.py

@@ -1,139 +0,0 @@
-import gc
-import os
-from typing import Optional, TypeVar
-
-import torch
-import torch.distributed as dist
-
-T = TypeVar("T")
-
-
-def seed_all(seed: int):
-    """Seed all rng objects."""
-    import random
-
-    import numpy as np
-
-    if seed < 0 or seed > 2**32 - 1:
-        raise ValueError(f"Seed {seed} is invalid. It must be on [0; 2^32 - 1]")
-    random.seed(seed)
-    np.random.seed(seed)
-    torch.manual_seed(seed)
-    # torch.manual_seed may call manual_seed_all but calling it again here
-    # to make sure it gets called at least once
-    torch.cuda.manual_seed_all(seed)
-
-
-def is_distributed() -> bool:
-    return dist.is_available() and dist.is_initialized()
-
-
-def get_node_rank() -> int:
-    return int(os.environ.get("NODE_RANK") or (get_global_rank() - get_local_rank()) // get_local_world_size())
-
-
-def get_world_size() -> int:
-    if is_distributed():
-        return dist.get_world_size()
-    else:
-        return 1
-
-
-def get_local_world_size() -> int:
-    return int(os.environ.get("LOCAL_WORLD_SIZE") or 1)
-
-
-def get_global_rank() -> int:
-    return int(os.environ.get("RANK") or dist.get_rank())
-
-
-def get_local_rank() -> int:
-    return int(os.environ.get("LOCAL_RANK") or 0)
-
-
-def get_fs_local_rank() -> int:
-    """Get the local rank per filesystem, meaning that, regardless of the number of nodes,
-    if all ranks share the same filesystem then `get_fs_local_rank()` will be equivalent to `get_global_rank()`,
-    but if nodes do not share the same filesystem then `get_fs_local_rank()` will be equivalent to `get_local_rank()`.
-    """
-    return int(os.environ.get("FS_LOCAL_RANK") or get_local_rank())
-
-
-def move_to_device(o: T, device: torch.device) -> T:
-    if isinstance(o, torch.Tensor):
-        return o.to(device)  # type: ignore[return-value]
-    elif isinstance(o, dict):
-        return {k: move_to_device(v, device) for k, v in o.items()}  # type: ignore[return-value]
-    elif isinstance(o, list):
-        return [move_to_device(x, device) for x in o]  # type: ignore[return-value]
-    elif isinstance(o, tuple):
-        return tuple((move_to_device(x, device) for x in o))  # type: ignore[return-value]
-    else:
-        return o
-
-
-def ensure_finite_(x: torch.Tensor, check_neg_inf: bool = True, check_pos_inf: bool = False):
-    """
-    Modify ``x`` in place to replace ``float("-inf")`` with the minimum value of the dtype when ``check_neg_inf``
-    is ``True`` and to replace ``float("inf")`` with the maximum value of the dtype when ``check_pos_inf`` is ``True``.
-    """
-    if check_neg_inf:
-        x.masked_fill_(x == float("-inf"), torch.finfo(x.dtype).min)
-    if check_pos_inf:
-        x.masked_fill_(x == float("inf"), torch.finfo(x.dtype).max)
-
-
-def get_default_device() -> torch.device:
-    if torch.cuda.is_available() and torch.cuda.is_initialized():
-        return torch.device("cuda")
-    else:
-        return torch.device("cpu")
-
-
-def barrier() -> None:
-    if is_distributed():
-        dist.barrier()
-
-
-def peak_gpu_memory(reset: bool = False) -> Optional[float]:
-    """
-    Get the peak GPU memory usage in MB across all ranks.
-    Only rank 0 will get the final result.
-    """
-    if not torch.cuda.is_available():
-        return None
-
-    device = torch.device("cuda")
-    peak_mb = torch.cuda.max_memory_allocated(device) / 1000000
-    if is_distributed():
-        peak_mb_tensor = torch.tensor(peak_mb, device=device)
-        dist.reduce(peak_mb_tensor, 0, dist.ReduceOp.MAX)
-        peak_mb = peak_mb_tensor.item()
-
-    if reset:
-        # Reset peak stats.
-        torch.cuda.reset_max_memory_allocated(device)
-
-    return peak_mb
-
-
-V = TypeVar("V", bool, int, float)
-
-
-def synchronize_value(value: V, device: torch.device) -> V:
-    if dist.is_available() and dist.is_initialized():
-        value_tensor = torch.tensor(value, device=device)
-        dist.broadcast(value_tensor, 0)
-        return value_tensor.item()  # type: ignore
-    else:
-        return value
-
-
-def synchronize_flag(flag: bool, device: torch.device) -> bool:
-    return synchronize_value(flag, device)
-
-
-def gc_cuda():
-    gc.collect()
-    if torch.cuda.is_available():
-        torch.cuda.empty_cache()