testing code for deberta, need to run on GPU

This commit is contained in:
William Jeynes
2026-03-22 16:55:21 +00:00
parent c69730df6b
commit bff5423f3d
+23 -9
View File
@@ -1,6 +1,6 @@
from sklearn.utils import compute_class_weight
from torch.nn import CrossEntropyLoss
from transformers import RobertaTokenizer, RobertaForSequenceClassification, Trainer, TrainingArguments
from transformers import RobertaTokenizer, RobertaForSequenceClassification, Trainer, TrainingArguments, AutoTokenizer, AutoModelForSequenceClassification
import torch
from sklearn.model_selection import train_test_split
from sklearn.metrics import accuracy_score, f1_score, precision_score, recall_score
@@ -10,7 +10,7 @@ import csv
import numpy as np
NUM_CLASSES = 3
model_name = "roberta-base"
model_name = "microsoft/deberta-v3-base"
LABEL_PRIORITY = [
("PERFECT", 0),
@@ -29,12 +29,19 @@ class WeightedTrainer(Trainer):
def compute_loss(self, model, inputs, return_outputs=False, **kwargs):
labels = inputs.get("labels")
print("Before forward")
outputs = model(**inputs)
print("After forward")
logits = outputs.get("logits")
loss_fct = CrossEntropyLoss(weight=self.class_weights.to(logits.device))
# loss_fct = CrossEntropyLoss(weight=self.class_weights.to(logits.device))
loss_fct = CrossEntropyLoss(
weight=self.class_weights.to(logits.device).to(logits.dtype)
)
print("Before loss")
loss = loss_fct(logits, labels)
# loss.backward()
print("After loss")
return (loss, outputs) if return_outputs else loss
def label_to_int(extra_info: str) -> int:
@@ -114,22 +121,28 @@ def compute_metrics(eval_pred):
}
def main():
torch.multiprocessing.set_start_method('fork')
# torch.multiprocessing.set_start_method('fork')
print("CUDA available:", torch.cuda.is_available())
print("CUDA device count:", torch.cuda.device_count())
print("Current device:", torch.cuda.current_device() if torch.cuda.is_available() else "CPU")
texts, labels = load_dataset_from_csv("../../data/classify.csv")
tokenizer = RobertaTokenizer.from_pretrained(model_name, hidden_dropout_prob=0.2,attention_probs_dropout_prob=0.2)
model = RobertaForSequenceClassification.from_pretrained(
# tokenizer = RobertaTokenizer.from_pretrained(model_name, hidden_dropout_prob=0.2,attention_probs_dropout_prob=0.2)
# model = RobertaForSequenceClassification.from_pretrained(
# model_name,
# num_labels=NUM_CLASSES
# )
tokenizer = AutoTokenizer.from_pretrained(model_name)
model = AutoModelForSequenceClassification.from_pretrained(
model_name,
num_labels=NUM_CLASSES
)
for param in model.roberta.parameters():
for param in model.deberta.parameters():
param.requires_grad = False
for param in model.roberta.encoder.layer[-6:].parameters():
for param in model.deberta.encoder.layer[-1:].parameters():
param.requires_grad = True
print("Dataset size:", len(texts))
@@ -173,6 +186,7 @@ def main():
self.labels = labels
def __getitem__(self, idx):
print(f"Loading item {idx}")
item = {
key: torch.tensor(val[idx])
for key, val in self.encodings.items()