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# # %%writefile app.py
# import streamlit as st
# import matplotlib.pyplot as plt
# import torch
# from transformers import AutoTokenizer, DataCollatorWithPadding, AutoModelForSequenceClassification, AdamW
# from datasets import load_dataset, Dataset
# from evaluate import load as load_metric
# from torch.utils.data import DataLoader
# import pandas as pd
# import random
# from collections import OrderedDict
# import flwr as fl
# DEVICE = torch.device("cpu")
# def load_data(dataset_name, train_size=20, test_size=20, num_clients=2):
# raw_datasets = load_dataset(dataset_name)
# raw_datasets = raw_datasets.shuffle(seed=42)
# del raw_datasets["unsupervised"]
# tokenizer = AutoTokenizer.from_pretrained("bert-base-uncased")
# def tokenize_function(examples):
# return tokenizer(examples["text"], truncation=True)
# tokenized_datasets = raw_datasets.map(tokenize_function, batched=True)
# tokenized_datasets = tokenized_datasets.remove_columns("text")
# tokenized_datasets = tokenized_datasets.rename_column("label", "labels")
# train_datasets = []
# test_datasets = []
# for _ in range(num_clients):
# train_dataset = tokenized_datasets["train"].select(random.sample(range(len(tokenized_datasets["train"])), train_size))
# test_dataset = tokenized_datasets["test"].select(random.sample(range(len(tokenized_datasets["test"])), test_size))
# train_datasets.append(train_dataset)
# test_datasets.append(test_dataset)
# data_collator = DataCollatorWithPadding(tokenizer=tokenizer)
# return train_datasets, test_datasets, data_collator
# def read_log_file():
# with open("./log.txt", "r") as file:
# return file.read()
# def train(net, trainloader, epochs):
# optimizer = AdamW(net.parameters(), lr=5e-5)
# net.train()
# for _ in range(epochs):
# for batch in trainloader:
# batch = {k: v.to(DEVICE) for k, v in batch.items()}
# outputs = net(**batch)
# loss = outputs.loss
# loss.backward()
# optimizer.step()
# optimizer.zero_grad()
# def test(net, testloader):
# metric = load_metric("accuracy")
# net.eval()
# loss = 0
# for batch in testloader:
# batch = {k: v.to(DEVICE) for k, v in batch.items()}
# with torch.no_grad():
# outputs = net(**batch)
# logits = outputs.logits
# loss += outputs.loss.item()
# predictions = torch.argmax(logits, dim=-1)
# metric.add_batch(predictions=predictions, references=batch["labels"])
# loss /= len(testloader)
# accuracy = metric.compute()["accuracy"]
# return loss, accuracy
# class CustomClient(fl.client.NumPyClient):
# def __init__(self, net, trainloader, testloader, client_id):
# self.net = net
# self.trainloader = trainloader
# self.testloader = testloader
# self.client_id = client_id
# self.losses = []
# self.accuracies = []
# def get_parameters(self, config):
# return [val.cpu().numpy() for _, val in self.net.state_dict().items()]
# def set_parameters(self, parameters):
# params_dict = zip(self.net.state_dict().keys(), parameters)
# state_dict = OrderedDict({k: torch.Tensor(v) for k, v in params_dict})
# self.net.load_state_dict(state_dict, strict=True)
# def fit(self, parameters, config):
# self.set_parameters(parameters)
# train(self.net, self.trainloader, epochs=1)
# loss, accuracy = test(self.net, self.testloader)
# self.losses.append(loss)
# self.accuracies.append(accuracy)
# return self.get_parameters(config={}), len(self.trainloader.dataset), {}
# def evaluate(self, parameters, config):
# self.set_parameters(parameters)
# loss, accuracy = test(self.net, self.testloader)
# return float(loss), len(self.testloader.dataset), {"accuracy": float(accuracy)}
# def plot_metrics(self, round_num, plot_placeholder):
# if self.losses and self.accuracies:
# plot_placeholder.write(f"#### Client {self.client_id} Metrics for Round {round_num}")
# plot_placeholder.write(f"Loss: {self.losses[-1]:.4f}")
# plot_placeholder.write(f"Accuracy: {self.accuracies[-1]:.4f}")
# fig, ax1 = plt.subplots()
# color = 'tab:red'
# ax1.set_xlabel('Round')
# ax1.set_ylabel('Loss', color=color)
# ax1.plot(range(1, len(self.losses) + 1), self.losses, color=color)
# ax1.tick_params(axis='y', labelcolor=color)
# ax2 = ax1.twinx() # instantiate a second axes that shares the same x-axis
# color = 'tab:blue'
# ax2.set_ylabel('Accuracy', color=color)
# ax2.plot(range(1, len(self.accuracies) + 1), self.accuracies, color=color)
# ax2.tick_params(axis='y', labelcolor=color)
# fig.tight_layout()
# plot_placeholder.pyplot(fig)
# def main():
# st.write("## Federated Learning with Dynamic Models and Datasets for Mobile Devices")
# dataset_name = st.selectbox("Dataset", ["imdb", "amazon_polarity", "ag_news"])
# model_name = st.selectbox("Model", ["bert-base-uncased","facebook/hubert-base-ls960", "distilbert-base-uncased"])
# NUM_CLIENTS = st.slider("Number of Clients", min_value=1, max_value=10, value=2)
# NUM_ROUNDS = st.slider("Number of Rounds", min_value=1, max_value=10, value=3)
# train_datasets, test_datasets, data_collator = load_data(dataset_name, num_clients=NUM_CLIENTS)
# trainloaders = []
# testloaders = []
# clients = []
# for i in range(NUM_CLIENTS):
# st.write(f"### Client {i+1} Datasets")
# train_df = pd.DataFrame(train_datasets[i])
# test_df = pd.DataFrame(test_datasets[i])
# st.write("#### Train Dataset")
# edited_train_df = st.data_editor(train_df, key=f"train_{i}")
# st.write("#### Test Dataset")
# edited_test_df = st.data_editor(test_df, key=f"test_{i}")
# edited_train_dataset = Dataset.from_pandas(edited_train_df)
# edited_test_dataset = Dataset.from_pandas(edited_test_df)
# trainloader = DataLoader(edited_train_dataset, shuffle=True, batch_size=32, collate_fn=data_collator)
# testloader = DataLoader(edited_test_dataset, batch_size=32, collate_fn=data_collator)
# trainloaders.append(trainloader)
# testloaders.append(testloader)
# net = AutoModelForSequenceClassification.from_pretrained(model_name, num_labels=2).to(DEVICE)
# client = CustomClient(net, trainloader, testloader, client_id=i+1)
# clients.append(client)
# if st.button("Start Training"):
# def client_fn(cid):
# return clients[int(cid)]
# def weighted_average(metrics):
# accuracies = [num_examples * m["accuracy"] for num_examples, m in metrics]
# losses = [num_examples * m["loss"] for num_examples, m in metrics]
# examples = [num_examples for num_examples, _ in metrics]
# return {"accuracy": sum(accuracies) / sum(examples), "loss": sum(losses) / sum(examples)}
# strategy = fl.server.strategy.FedAvg(
# fraction_fit=1.0,
# fraction_evaluate=1.0,
# evaluate_metrics_aggregation_fn=weighted_average,
# )
# for round_num in range(NUM_ROUNDS):
# st.write(f"### Round {round_num + 1}")
# plot_placeholders = [st.empty() for _ in range(NUM_CLIENTS)]
# fl.common.logger.configure(identifier="myFlowerExperiment", filename="./log.txt")
# fl.simulation.start_simulation(
# client_fn=client_fn,
# num_clients=NUM_CLIENTS,
# config=fl.server.ServerConfig(num_rounds=1),
# strategy=strategy,
# client_resources={"num_cpus": 1, "num_gpus": 0},
# ray_init_args={"log_to_driver": False, "num_cpus": 1, "num_gpus": 0}
# )
# for i, client in enumerate(clients):
# st.markdown("LOGS : "+ read_log_file())
# client.plot_metrics(round_num + 1, plot_placeholders[i])
# st.write(" ")
# st.success("Training completed successfully!")
# # Display final metrics
# st.write("## Final Client Metrics")
# for client in clients:
# st.write(f"### Client {client.client_id}")
# st.write(f"Final Loss: {client.losses[-1]:.4f}")
# st.write(f"Final Accuracy: {client.accuracies[-1]:.4f}")
# client.plot_metrics(NUM_ROUNDS, st.empty())
# st.write(" ")
# else:
# st.write("Click the 'Start Training' button to start the training process.")
# if __name__ == "__main__":
# main()
# %%writefile app.py
import streamlit as st
import matplotlib.pyplot as plt
import torch
from transformers import AutoTokenizer, DataCollatorWithPadding, AutoModelForSequenceClassification, AdamW
from datasets import load_dataset, Dataset
from evaluate import load as load_metric
from torch.utils.data import DataLoader
import pandas as pd
import random
from collections import OrderedDict
import flwr as fl
from logging import INFO, DEBUG
from flwr.common.logger import log
import logging
import streamlit
# If you're curious of all the loggers
DEVICE = torch.device("cpu")
fl.common.logger.configure(identifier="myFlowerExperiment", filename="./log.txt")
def load_data(dataset_name, train_size=20, test_size=20, num_clients=2):
raw_datasets = load_dataset(dataset_name)
raw_datasets = raw_datasets.shuffle(seed=42)
del raw_datasets["unsupervised"]
tokenizer = AutoTokenizer.from_pretrained("bert-base-uncased")
def tokenize_function(examples):
return tokenizer(examples["text"], truncation=True)
tokenized_datasets = raw_datasets.map(tokenize_function, batched=True)
tokenized_datasets = tokenized_datasets.remove_columns("text")
tokenized_datasets = tokenized_datasets.rename_column("label", "labels")
train_datasets = []
test_datasets = []
for _ in range(num_clients):
train_dataset = tokenized_datasets["train"].select(random.sample(range(len(tokenized_datasets["train"])), train_size))
test_dataset = tokenized_datasets["test"].select(random.sample(range(len(tokenized_datasets["test"])), test_size))
train_datasets.append(train_dataset)
test_datasets.append(test_dataset)
data_collator = DataCollatorWithPadding(tokenizer=tokenizer)
return train_datasets, test_datasets, data_collator, raw_datasets
def train(net, trainloader, epochs):
optimizer = AdamW(net.parameters(), lr=5e-5)
net.train()
for _ in range(epochs):
for batch in trainloader:
batch = {k: v.to(DEVICE) for k, v in batch.items()}
outputs = net(**batch)
loss = outputs.loss
loss.backward()
optimizer.step()
optimizer.zero_grad()
def test(net, testloader):
metric = load_metric("accuracy")
net.eval()
loss = 0
for batch in testloader:
batch = {k: v.to(DEVICE) for k, v in batch.items()}
with torch.no_grad():
outputs = net(**batch)
logits = outputs.logits
loss += outputs.loss.item()
predictions = torch.argmax(logits, dim=-1)
metric.add_batch(predictions=predictions, references=batch["labels"])
loss /= len(testloader)
accuracy = metric.compute()["accuracy"]
return loss, accuracy
class CustomClient(fl.client.NumPyClient):
def __init__(self, net, trainloader, testloader, client_id):
self.net = net
self.trainloader = trainloader
self.testloader = testloader
self.client_id = client_id
self.losses = []
self.accuracies = []
def get_parameters(self, config):
return [val.cpu().numpy() for _, val in self.net.state_dict().items()]
def set_parameters(self, parameters):
params_dict = zip(self.net.state_dict().keys(), parameters)
state_dict = OrderedDict({k: torch.Tensor(v) for k, v in params_dict})
self.net.load_state_dict(state_dict, strict=True)
def fit(self, parameters, config):
log(INFO, f"Client {self.client_id} is starting fit()")
self.set_parameters(parameters)
train(self.net, self.trainloader, epochs=1)
loss, accuracy = test(self.net, self.testloader)
self.losses.append(loss)
self.accuracies.append(accuracy)
log(INFO, f"Client {self.client_id} finished fit() with loss: {loss:.4f} and accuracy: {accuracy:.4f}")
return self.get_parameters(config={}), len(self.trainloader.dataset), {"loss": loss, "accuracy": accuracy}
def evaluate(self, parameters, config):
log(INFO, f"Client {self.client_id} is starting evaluate()")
self.set_parameters(parameters)
loss, accuracy = test(self.net, self.testloader)
log(INFO, f"Client {self.client_id} finished evaluate() with loss: {loss:.4f} and accuracy: {accuracy:.4f}")
return float(loss), len(self.testloader.dataset), {"accuracy": float(accuracy), "loss": float(loss)}
def plot_metrics(self, round_num, plot_placeholder):
if self.losses and self.accuracies:
plot_placeholder.write(f"#### Client {self.client_id} Metrics for Round {round_num}")
plot_placeholder.write(f"Loss: {self.losses[-1]:.4f}")
plot_placeholder.write(f"Accuracy: {self.accuracies[-1]:.4f}")
fig, ax1 = plt.subplots()
color = 'tab:red'
ax1.set_xlabel('Round')
ax1.set_ylabel('Loss', color=color)
ax1.plot(range(1, len(self.losses) + 1), self.losses, color=color)
ax1.tick_params(axis='y', labelcolor=color)
ax2 = ax1.twinx() # instantiate a second axes that shares the same x-axis
color = 'tab:blue'
ax2.set_ylabel('Accuracy', color=color)
ax2.plot(range(1, len(self.accuracies) + 1), self.accuracies, color=color)
ax2.tick_params(axis='y', labelcolor=color)
fig.tight_layout()
plot_placeholder.pyplot(fig)
def read_log_file():
with open("./log.txt", "r") as file:
return file.read()
def main():
st.markdown(print(streamlit.logger._loggers))
st.write("## Federated Learning with Dynamic Models and Datasets for Mobile Devices")
dataset_name = st.selectbox("Dataset", ["imdb", "amazon_polarity", "ag_news"])
model_name = st.selectbox("Model", ["bert-base-uncased", "facebook/hubert-base-ls960", "distilbert-base-uncased"])
NUM_CLIENTS = st.slider("Number of Clients", min_value=1, max_value=10, value=2)
NUM_ROUNDS = st.slider("Number of Rounds", min_value=1, max_value=10, value=3)
train_datasets, test_datasets, data_collator, raw_datasets = load_data(dataset_name, num_clients=NUM_CLIENTS)
trainloaders = []
testloaders = []
clients = []
for i in range(NUM_CLIENTS):
st.write(f"### Client {i+1} Datasets")
train_df = pd.DataFrame(train_datasets[i])
test_df = pd.DataFrame(test_datasets[i])
st.write("#### Train Dataset (Words)")
st.dataframe(raw_datasets["train"].select(random.sample(range(len(raw_datasets["train"])), 20)))
st.write("#### Train Dataset (Tokens)")
edited_train_df = st.data_editor(train_df, key=f"train_{i}")
st.write("#### Test Dataset (Words)")
st.dataframe(raw_datasets["test"].select(random.sample(range(len(raw_datasets["test"])), 20)))
st.write("#### Test Dataset (Tokens)")
edited_test_df = st.data_editor(test_df, key=f"test_{i}")
edited_train_dataset = Dataset.from_pandas(edited_train_df)
edited_test_dataset = Dataset.from_pandas(edited_test_df)
trainloader = DataLoader(edited_train_dataset, shuffle=True, batch_size=32, collate_fn=data_collator)
testloader = DataLoader(edited_test_dataset, batch_size=32, collate_fn=data_collator)
trainloaders.append(trainloader)
testloaders.append(testloader)
net = AutoModelForSequenceClassification.from_pretrained(model_name, num_labels=2).to(DEVICE)
client = CustomClient(net, trainloader, testloader, client_id=i+1)
clients.append(client)
if st.button("Start Training"):
def client_fn(cid):
return clients[int(cid)]
def weighted_average(metrics):
accuracies = [num_examples * m["accuracy"] for num_examples, m in metrics]
losses = [num_examples * m["loss"] for num_examples, m in metrics]
examples = [num_examples for num_examples, _ in metrics]
return {"accuracy": sum(accuracies) / sum(examples), "loss": sum(losses) / sum(examples)}
strategy = fl.server.strategy.FedAvg(
fraction_fit=1.0,
fraction_evaluate=1.0,
evaluate_metrics_aggregation_fn=weighted_average,
)
for round_num in range(NUM_ROUNDS):
st.write(f"### Round {round_num + 1}")
plot_placeholders = [st.empty() for _ in range(NUM_CLIENTS)]
fl.simulation.start_simulation(
client_fn=client_fn,
num_clients=NUM_CLIENTS,
config=fl.server.ServerConfig(num_rounds=1),
strategy=strategy,
client_resources={"num_cpus": 1, "num_gpus": 0},
ray_init_args={"log_to_driver": False, "num_cpus": 1, "num_gpus": 0}
)
for i, client in enumerate(clients):
client.plot_metrics(round_num + 1, plot_placeholders[i])
st.write(" ")
st.success("Training completed successfully!")
# Display final metrics
st.write("## Final Client Metrics")
for client in clients:
st.write(f"### Client {client.client_id}")
if client.losses and client.accuracies:
st.write(f"Final Loss: {client.losses[-1]:.4f}")
st.write(f"Final Accuracy: {client.accuracies[-1]:.4f}")
client.plot_metrics(NUM_ROUNDS, st.empty())
else:
st.write("No metrics available.")
st.write(" ")
# Display log.txt content
st.write("## Training Log")
st.text(read_log_file())
else:
st.write("Click the 'Start Training' button to start the training process.")
if __name__ == "__main__":
main()
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