chore: add .gitignore
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unsloth_compiled_cache/LoraParallelLinear_peft_forward.py
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unsloth_compiled_cache/LoraParallelLinear_peft_forward.py
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"""
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2026.2.1
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2026.2.1
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4.57.6
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0.24.0
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__UNSLOTH_VERSIONING__
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"""
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# Unsloth auto generated code
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# Copyright 2023-present Daniel Han-Chen, Michael Han-Chen & the Unsloth team. All rights reserved.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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torch_compile_options = {'epilogue_fusion': True, 'max_autotune': False, 'shape_padding': True, 'trace.enabled': False, 'triton.cudagraphs': False, 'debug': False, 'dce': True, 'memory_planning': True, 'coordinate_descent_tuning': False, 'trace.graph_diagram': False, 'compile_threads': 32, 'group_fusion': True, 'disable_progress': True, 'verbose_progress': False, 'triton.multi_kernel': 0, 'triton.use_block_ptr': False, 'triton.enable_persistent_tma_matmul': True, 'triton.autotune_at_compile_time': False, 'triton.cooperative_reductions': False, 'cuda.compile_opt_level': '-O2', 'cuda.enable_cuda_lto': True, 'combo_kernels': False, 'benchmark_combo_kernel': True, 'combo_kernel_foreach_dynamic_shapes': True}
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from torch import Tensor
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import torch
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import torch.nn as nn
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from torch.nn import functional as F
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from unsloth_zoo.temporary_patches.common import torch_compile
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from typing import Any, List, Optional, Tuple, Union, Dict, Set, Callable
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from peft.tuners.lora.tp_layer import (Any, __name__, torch)
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torch_addmm = torch.addmm
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torch_add = torch.add
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# @torch.compile(fullgraph = False, dynamic = True, options = torch_compile_options)
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def lora_forward(result, lora_A, lora_B, dropout, x, scaling):
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# Use result.dtype (bfloat16 from base layer) since x may have been cast to float32
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# by _cast_input_dtype when autocast is disabled
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target_dtype = result.dtype
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xA = dropout(x).to(target_dtype) @ lora_A.weight.to(target_dtype).t()
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# output = result + scaling * xA @ lora_B.weight.t()
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shape = result.shape
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output = torch_addmm(
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result.view(-1, shape[-1]),
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xA.view(-1, xA.shape[-1]),
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lora_B.weight.to(target_dtype).t(),
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alpha = scaling,
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beta = 1,
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).view(shape)
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bias = lora_B.bias
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if bias is not None:
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output = torch_add(
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output,
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bias.to(target_dtype),
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alpha = scaling,
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)
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return output
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pass
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def unsloth_forward(self, x: torch.Tensor, *args: Any, **kwargs: Any):
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adapter_names = kwargs.pop("adapter_names", None)
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# If weight is used for matrix multiplication here, the final aggregation operation of the original
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# parallel_linear layer will be missing, so we need to directly call its forward function to obtain the
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# output of the original parallel_linear layer.
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if self.disable_adapters:
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if self.merged:
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self.unmerge()
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result, bias = self.base_layer(x, *args, **kwargs)
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elif adapter_names is not None:
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raise ValueError(f"{self.__class__.__name__} does not support mixed_batch_forward yet.")
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elif self.merged:
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result, bias = self.base_layer(x, *args, **kwargs)
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else:
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result, bias = self.base_layer(x, *args, **kwargs)
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torch_result_dtype = result.dtype
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for active_adapter in self.active_adapters:
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if active_adapter not in self.lora_A.keys():
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continue
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lora_A = self.lora_A[active_adapter]
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lora_B = self.lora_B[active_adapter]
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dropout = self.lora_dropout[active_adapter]
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scaling = self.scaling[active_adapter]
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if not torch.is_autocast_enabled(): result, x = result.to(lora_A.weight.dtype), x.to(lora_A.weight.dtype)
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return lora_forward(result, lora_A, lora_B, dropout, x, scaling)
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result = result.to(torch_result_dtype)
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return result, bias
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