115 lines
2.8 KiB
Python
Executable File
115 lines
2.8 KiB
Python
Executable File
from contextlib import contextmanager
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import math
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import torch
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import torch.nn.functional as F
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from ..config import cfg
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Embedding = torch.nn.Embedding
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Linear = torch.nn.Linear
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Adam = torch.optim.Adam
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AdamW = torch.optim.AdamW
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SGD = torch.optim.SGD
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Adagrad = torch.optim.Adagrad
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# https://github.com/kyegomez/BitNet
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if cfg.optimizations.bitnet:
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from bitnet import BitLinear
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if cfg.optimizations.bitsandbytes:
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import bitsandbytes as bnb
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if cfg.optimizations.linear:
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if cfg.optimizations.bitnet:
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Linear = BitLinear
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else:
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Linear = bnb.nn.Linear8bitLt
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if cfg.optimizations.embedding:
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Embedding = bnb.nn.modules.Embedding
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"""
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Embedding.forward = lambda self, input: ( self.norm(F.embedding(
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input,
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self.weight,
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self.padding_idx,
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self.max_norm,
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self.norm_type,
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self.scale_grad_by_freq,
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self.sparse,
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)).to(self.weight.dtype) )
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"""
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if cfg.optimizations.optimizers:
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Adam = bnb.optim.Adam8bit
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AdamW = bnb.optim.AdamW8bit
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SGD = bnb.optim.SGD8bit
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Adagrad = bnb.optim.Adagrad8bit
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elif cfg.optimizations.dadaptation:
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import dadaptation
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if cfg.optimizations.optimizers:
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Adam = dadaptation.DAdaptAdam
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AdamW = dadaptation.DAdaptAdam
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SGD = dadaptation.DAdaptSGD
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AdaGrad = dadaptation.DAdaptAdaGrad
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if cfg.optimizations.fp8:
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import transformer_engine.pytorch as te
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Linear = te.Linear
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@contextmanager
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def autocast():
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yield te.fp8_autocast(enabled=True)
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else:
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@contextmanager
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def autocast():
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yield torch.autocast("cuda", dtype=cfg.trainer.dtype, enabled=cfg.trainer.amp)
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if cfg.optimizations.injects:
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if cfg.optimizations.linear:
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torch.nn.Linear = Linear
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if cfg.optimizations.embedding:
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torch.nn.Embedding = Embedding
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if cfg.optimizations.optimizers:
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torch.optim.Adam = Adam
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torch.optim.AdamW = AdamW
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torch.optim.SGD = SGD
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# https://github.com/konstmish/prodigy
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try:
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from prodigyopt import Prodigy
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except Exception as e:
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print('Error while importing Prodigyopt:', str(e))
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pass
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# https://github.com/facebookresearch/schedule_free/
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try:
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import schedulefree
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except Exception as e:
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print('Error while importing Schedule_Free:', str(e))
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pass
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# backwards compat
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from .utils import (
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autocast_forward,
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replace_linear as replace_linear_old,
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replace_embedding as replace_embedding_old,
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replace_attention,
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resize_weight,
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offload_model,
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)
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# wrapped here so we can maintain default args
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def replace_linear( model, klass=Linear, target=torch.nn.Linear, verbose=False ):
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return replace_linear_old( model, klass, target, verbose )
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def replace_embedding( model, klass=Embedding, target=torch.nn.Embedding, verbose=False ):
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return replace_embedding_old( model, klass, target, verbose )
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Embedding.forward = autocast_forward(Embedding.forward) |