Add ia3 and adalora support (huggingface#809)

Signed-off-by: Wang, Yi A <yi.a.wang@intel.com>

examples/language-modeling/requirements.txt

@@ -4,4 +4,4 @@ sentencepiece != 0.1.92
 protobuf
 evaluate
 scikit-learn
-peft == 0.6.2
+peft == 0.10.0

examples/language-modeling/run_lora_clm.py

@@ -30,7 +30,7 @@
 import torch
 import transformers
 from datasets import load_dataset
-from peft import LoraConfig, TaskType, get_peft_model, tuners
+from peft import AdaLoraConfig, IA3Config, LoraConfig, TaskType, get_peft_model, tuners
 from peft.utils.other import fsdp_auto_wrap_policy
 from transformers import (
     AutoConfig,
@@ -289,12 +289,53 @@ class FinetuneArguments:
     )
     lora_target_modules: List[str] = field(
         default_factory=lambda: None,
-        metadata={"help": "Target modules for the LoRA method."},
+        metadata={"help": "Target modules for the LoRA/AdaLoRA method."},
     )
     train_on_inputs: bool = field(
         default=True,
         metadata={"help": "if False, masks out inputs in loss"},
     )
+    adalora_init_r: int = field(
+        default=12,
+        metadata={"help": "Initial AdaLoRA rank"},
+    )
+    adalora_target_r: int = field(
+        default=4,
+        metadata={"help": "Target AdaLoRA rank"},
+    )
+    adalora_tinit: int = field(
+        default=50,
+        metadata={"help": "Number of warmup steps for AdaLoRA wherein no pruning is performed"},
+    )
+    adalora_tfinal: int = field(
+        default=100,
+        metadata={
+            "help": "Fix the resulting budget distribution and fine-tune the model for tfinal steps when using AdaLoRA"
+        },
+    )
+    adalora_delta_t: int = field(
+        default=10,
+        metadata={"help": "Interval of steps for AdaLoRA to update rank"},
+    )
+    adalora_orth_reg_weight: float = field(
+        default=0.5,
+        metadata={"help": "Orthogonal regularization weight for AdaLoRA"},
+    )
+    peft_type: str = field(
+        default="lora",
+        metadata={
+            "help": ("The PEFT type to use."),
+            "choices": ["lora", "ia3", "adalora"],
+        },
+    )
+    ia3_target_modules: List[str] = field(
+        default_factory=lambda: None,
+        metadata={"help": "Target modules for the IA3 method."},
+    )
+    feedforward_modules: List[str] = field(
+        default_factory=lambda: None,
+        metadata={"help": "Target feedforward modules for the IA3 method."},
+    )
 
 
 PROMPT_DICT = {
@@ -684,22 +725,46 @@ def compute_metrics(eval_preds):
 
     if training_args.do_train or training_args.do_eval:
         # PEFT settings
-        peft_config = LoraConfig(
-            r=finetune_args.lora_rank,
-            lora_alpha=finetune_args.lora_alpha,
-            lora_dropout=finetune_args.lora_dropout,
-            target_modules=finetune_args.lora_target_modules,
-            bias="none",
-            task_type=TaskType.CAUSAL_LM,
-        )
+        if finetune_args.peft_type == "lora":
+            peft_config = LoraConfig(
+                r=finetune_args.lora_rank,
+                lora_alpha=finetune_args.lora_alpha,
+                lora_dropout=finetune_args.lora_dropout,
+                target_modules=finetune_args.lora_target_modules,
+                bias="none",
+                task_type=TaskType.CAUSAL_LM,
+            )
+        elif finetune_args.peft_type == "adalora":
+            peft_config = AdaLoraConfig(
+                init_r=finetune_args.adalora_init_r,
+                target_r=finetune_args.adalora_target_r,
+                tinit=finetune_args.adalora_tinit,
+                tfinal=finetune_args.adalora_tfinal,
+                deltaT=finetune_args.adalora_delta_t,
+                lora_alpha=finetune_args.lora_alpha,
+                lora_dropout=finetune_args.lora_dropout,
+                target_modules=finetune_args.lora_target_modules,
+                orth_reg_weight=finetune_args.adalora_orth_reg_weight,
+                bias="none",
+                task_type=TaskType.CAUSAL_LM,
+            )
+            from optimum.habana.peft.layer import GaudiAdaloraLayerSVDLinearForward
+
+            tuners.adalora.layer.SVDLinear.forward = GaudiAdaloraLayerSVDLinearForward
+        elif finetune_args.peft_type == "ia3":
+            peft_config = IA3Config(
+                target_modules=finetune_args.ia3_target_modules,
+                feedforward_modules=finetune_args.feedforward_modules,
+                task_type=TaskType.CAUSAL_LM,
+            )
         if training_args.gradient_checkpointing:
             model.enable_input_require_grads()
         if training_args.torch_compile:
             from optimum.habana.peft.layer import GaudiLoraLayerLinearForward
 
             tuners.lora.layer.Linear.forward = GaudiLoraLayerLinearForward
         lora_model = get_peft_model(model, peft_config)
-        if training_args.bf16:
+        if training_args.bf16 and finetune_args.peft_type != "ia3":
             lora_model = lora_model.to(torch.bfloat16)
         lora_model.print_trainable_parameters()
         gaudi_config = GaudiConfig()

examples/text-generation/utils.py

@@ -326,7 +326,10 @@ def peft_model(args, model_dtype, logger, **model_kwargs):
         model = AutoModelForCausalLM.from_pretrained(args.model_name_or_path, torch_dtype=model_dtype, **model_kwargs)
         model = PeftModel.from_pretrained(model, args.peft_model, torch_dtype=model_dtype, **model_kwargs)
 
-    return model.merge_and_unload()
+    model = model.merge_and_unload()
+    if model_dtype == torch.bfloat16:
+        model = model.to(torch.bfloat16)
+    return model
 
 
 def setup_tokenizer(args, model):

optimum/habana/peft/__init__.py

@@ -1 +1 @@
-from .layer import GaudiLoraLayerLinearForward
+from .layer import GaudiAdaloraLayerSVDLinearForward, GaudiLoraLayerLinearForward

optimum/habana/peft/layer.py

@@ -29,3 +29,33 @@ def GaudiLoraLayerLinearForward(self, x: torch.Tensor, *args: Any, **kwargs: Any
 
     result = result.to(previous_dtype)
     return result
+
+
+def GaudiAdaloraLayerSVDLinearForward(self, x: torch.Tensor, *args: Any, **kwargs: Any) -> torch.Tensor:
+    """
+    Copied from SVDLinear.forward: https://github.com/huggingface/peft/blob/v0.9.0/src/peft/tuners/adalora/layer.py#L158
+    The only differences are:
+    - fix batch_gemm failure for BF16 case
+    """
+    if self.disable_adapters:
+        if self.merged:
+            self.unmerge()
+        result = self.base_layer(x, *args, **kwargs)
+    elif self.merged:
+        result = self.base_layer(x, *args, **kwargs)
+    else:
+        result = self.base_layer(x, *args, **kwargs)
+        for active_adapter in self.active_adapters:
+            if active_adapter not in self.lora_A.keys():
+                continue
+            lora_A = self.lora_A[active_adapter]
+            lora_B = self.lora_B[active_adapter]
+            lora_E = self.lora_E[active_adapter]
+            dropout = self.lora_dropout[active_adapter]
+            scaling = self.scaling[active_adapter]
+            ranknum = self.ranknum[active_adapter] + 1e-5
+
+            x = x.to(lora_A.dtype)
+            result += (dropout(x) @ (lora_A * lora_E).T @ lora_B.T) * (scaling / ranknum)
+
+    return result

optimum/habana/transformers/trainer.py

@@ -41,7 +41,11 @@
 from transformers.data.data_collator import DataCollator
 from transformers.debug_utils import DebugOption, DebugUnderflowOverflow
 from transformers.integrations import hp_params
-from transformers.integrations.deepspeed import deepspeed_load_checkpoint, is_deepspeed_available
+from transformers.integrations.deepspeed import (
+    deepspeed_load_checkpoint,
+    is_deepspeed_available,
+    is_deepspeed_zero3_enabled,
+)
 from transformers.modeling_utils import PreTrainedModel, load_sharded_checkpoint, unwrap_model
 from transformers.tokenization_utils_base import PreTrainedTokenizerBase
 from transformers.trainer import _get_fsdp_ckpt_kwargs
@@ -116,6 +120,7 @@
 
 if is_peft_available():
     from peft import PeftModel
+    from peft.utils import PeftType
 
 
 if is_deepspeed_available():
@@ -849,6 +854,10 @@ def hpu_deepspeed_checkpointing(function, *checkpoint_args):
         hb_profiler.start()
 
         total_batched_samples = 0
+        if _is_peft_model(self.model) and self.model.peft_type == PeftType.ADALORA:
+            self.model.base_model.peft_config[self.model.trainable_adapter_name].total_step = max_steps
+            if max_steps < self.model.base_model.peft_config[self.model.trainable_adapter_name].tfinal:
+                self.model.base_model.peft_config[self.model.trainable_adapter_name].tfinal = 0
         for epoch in range(epochs_trained, num_train_epochs):
             epoch_iterator = train_dataloader
             if hasattr(epoch_iterator, "set_epoch"):
@@ -990,7 +999,6 @@ def hpu_deepspeed_checkpointing(function, *checkpoint_args):
                         # Delay optimizer scheduling until metrics are generated
                         if not isinstance(self.lr_scheduler, torch.optim.lr_scheduler.ReduceLROnPlateau):
                             self.lr_scheduler.step()
-
                     self._zero_model_grad(model)
 
                     self.state.global_step += 1
@@ -1539,8 +1547,16 @@ def training_step(self, model: torch.nn.Module, inputs: Dict[str, Union[torch.Te
         if self.args.use_lazy_mode and self.args.pipelining_fwd_bwd:
             self.htcore.mark_step()
 
-        self.accelerator.backward(loss)
-
+        if _is_peft_model(self.model) and self.model.peft_type == PeftType.ADALORA:
+            if self.is_deepspeed_enabled and not is_deepspeed_zero3_enabled():
+                self.accelerator.deepspeed_engine_wrapped.engine.backward(loss)
+                self.model.base_model.update_and_allocate(self.state.global_step)
+                self.accelerator.deepspeed_engine_wrapped.engine.step()
+            else:
+                self.accelerator.backward(loss)
+                self.model.base_model.update_and_allocate(self.state.global_step)
+        else:
+            self.accelerator.backward(loss)
         return loss.detach() / self.args.gradient_accumulation_steps
 
     def save_model(self, output_dir: Optional[str] = None, _internal_call: bool = False):