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Move opt_einsum import back out of class __init__

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Ross Wightman 2025-01-27 14:03:25 -08:00 committed by Ross Wightman
parent 9ab5464e4d
commit 67ef6f0a92
1 changed files with 16 additions and 14 deletions
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20
timm/optim/kron.py
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@ -14,7 +14,15 @@ from typing import Any, Callable, Dict, Optional, Tuple, Union
import numpy as np
import torch
try:
# NOTE opt_einsum needed to avoid blowing up memory with einsum ops
import opt_einsum
import torch.backends.opt_einsum
torch.backends.opt_einsum.enabled = True
torch.backends.opt_einsum.strategy = "auto-hq"
has_opt_einsum = True
except ImportError:
has_opt_einsum = False
try:
torch._dynamo.config.cache_size_limit = 1_000_000
@ -92,14 +100,8 @@ class Kron(torch.optim.Optimizer):
flatten_dim: bool = False,
deterministic: bool = False,
):
try:
# NOTE opt_einsum needed to avoid blowing up memory with einsum ops
import opt_einsum
opt_einsum.enabled = True
opt_einsum.strategy = "auto-hq"
import torch.backends.opt_einsum
except ImportError:
warnings.warn("It is highly recommended to have 'opt_einsum' installed for this optimizer." )
if not has_opt_einsum:
warnings.warn("It is highly recommended to have 'opt_einsum' installed for this optimizer.")
if not 0.0 <= lr:
raise ValueError(f"Invalid learning rate: {lr}")