Enhance batch_confirm_hf_optimized.py to ensure torchcodec is installed before loading the dataset, and update requirements_optimized.txt to include torchcodec. Modify run_optimized_192cores_no_root.sh to install additional audio dependencies and test audio imports.
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Alireza
318
vosk/test_files/batch_confirm_hf_simple.py
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318
vosk/test_files/batch_confirm_hf_simple.py
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import asyncio
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import aiohttp
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import multiprocessing as mp
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from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor
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import soundfile as sf
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import requests
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import os
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from tqdm import tqdm
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import pandas as pd
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import json
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import pyarrow as pa
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import pyarrow.parquet as pq
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import numpy as np
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from huggingface_hub import HfApi, create_repo
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from datasets import load_dataset, Audio, Dataset
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import time
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from functools import partial
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import logging
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# Configure logging
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logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
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logger = logging.getLogger(__name__)
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# Configuration for 192 cores
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NUM_CORES = 192
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BATCH_SIZE = 32 # Increased batch size for better throughput
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MAX_CONCURRENT_REQUESTS = 48 # 192/4 for optimal concurrency
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CHUNK_SIZE = 1000 # Process data in chunks to manage memory
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# Load the dataset without audio decoding first
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print("Loading dataset...")
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ds = load_dataset(
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"Ashegh-Sad-Warrior/Persian_Common_Voice_17_0",
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split="validated",
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streaming=False
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)
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# Now cast to audio after loading
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print("Casting to audio...")
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ds = ds.cast_column("audio", Audio(sampling_rate=16000))
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output_dir = "confirmed_dataset"
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os.makedirs(output_dir, exist_ok=True)
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API_URL = "http://localhost:5000/batch_confirm"
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# Hugging Face configuration
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HF_DATASET_NAME = "dpr2000/persian-cv17-confirmed"
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HF_PRIVATE = True
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def save_flac(audio_array, path):
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"""Save audio array as FLAC file"""
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sf.write(path, audio_array, 16000, format="FLAC")
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def process_audio_chunk(audio_data):
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"""Process a single audio item - designed for multiprocessing"""
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audio, sentence = audio_data
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flac_path = f"temp_{hash(audio.tobytes())}.flac"
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save_flac(audio["array"], flac_path)
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return {
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'flac_path': flac_path,
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'sentence': sentence,
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'audio_array': audio["array"]
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}
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async def send_batch_request(session, batch_data, batch_id):
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"""Send a single batch request asynchronously"""
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files = {}
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references = []
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temp_flacs = []
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audio_arrays = []
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for j, item in enumerate(batch_data):
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files[f"audio{j}"] = open(item['flac_path'], "rb")
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references.append(item['sentence'])
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temp_flacs.append(item['flac_path'])
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audio_arrays.append(item['audio_array'])
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data = {"references": json.dumps(references)}
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try:
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async with session.post(API_URL, data=data, files=files, timeout=aiohttp.ClientTimeout(total=120)) as response:
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if response.status == 200:
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resp_json = await response.json()
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if "results" in resp_json:
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results = resp_json["results"]
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else:
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logger.warning(f"Batch {batch_id} failed: 'results' key missing")
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results = [None] * len(references)
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else:
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logger.error(f"Batch {batch_id} failed: HTTP {response.status}")
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results = [None] * len(references)
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except Exception as e:
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logger.error(f"Batch {batch_id} failed: {e}")
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results = [None] * len(references)
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finally:
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# Clean up files
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for f in files.values():
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f.close()
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for flac_path in temp_flacs:
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try:
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os.remove(flac_path)
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except:
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pass
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# Process results
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confirmed_items = []
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for j, result in enumerate(results):
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if result and result.get("confirmed"):
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confirmed_items.append({
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"audio": audio_arrays[j],
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"transcription": references[j]
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})
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return confirmed_items
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async def process_dataset_async():
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"""Main async processing function"""
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confirmed = []
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# Prepare all audio data first using multiprocessing
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print("Preparing audio data with multiprocessing...")
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audio_data = [(ds[i]["audio"], ds[i]["sentence"]) for i in range(len(ds))]
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# Use ProcessPoolExecutor for CPU-intensive audio processing
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with ProcessPoolExecutor(max_workers=NUM_CORES) as executor:
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processed_audio = list(tqdm(
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executor.map(process_audio_chunk, audio_data),
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total=len(audio_data),
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desc="Processing audio files"
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))
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# Create batches
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batches = []
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for i in range(0, len(processed_audio), BATCH_SIZE):
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batch = processed_audio[i:i+BATCH_SIZE]
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batches.append((batch, i // BATCH_SIZE))
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print(f"Processing {len(batches)} batches with {MAX_CONCURRENT_REQUESTS} concurrent requests...")
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# Process batches asynchronously
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async with aiohttp.ClientSession(
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connector=aiohttp.TCPConnector(limit=MAX_CONCURRENT_REQUESTS),
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timeout=aiohttp.ClientTimeout(total=300)
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) as session:
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tasks = []
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for batch_data, batch_id in batches:
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task = send_batch_request(session, batch_data, batch_id)
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tasks.append(task)
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# Process in chunks to avoid overwhelming the system
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chunk_size = MAX_CONCURRENT_REQUESTS
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for i in range(0, len(tasks), chunk_size):
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chunk_tasks = tasks[i:i+chunk_size]
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results = await asyncio.gather(*chunk_tasks, return_exceptions=True)
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for result in results:
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if isinstance(result, Exception):
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logger.error(f"Task failed: {result}")
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else:
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confirmed.extend(result)
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print(f"Processed {min(i+chunk_size, len(tasks))}/{len(tasks)} batches, confirmed: {len(confirmed)}")
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return confirmed
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def save_confirmed_data_parallel(confirmed):
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"""Save confirmed data using parallel processing"""
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if not confirmed:
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print("❌ No confirmed samples to save")
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return
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print(f"\n🔄 Saving {len(confirmed)} confirmed samples...")
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def extract_minimal(example):
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"""Convert audio to int16 format"""
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audio_float32 = np.array(example["audio"], dtype=np.float32)
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audio_float32 = np.clip(audio_float32, -1.0, 1.0)
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audio_int16 = (audio_float32 * 32767).astype(np.int16)
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return {
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"audio": audio_int16.tobytes(),
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"text": example["transcription"]
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}
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# Create dataset from confirmed samples
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confirmed_dataset = Dataset.from_list(confirmed)
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confirmed_dataset = confirmed_dataset.map(
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extract_minimal,
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remove_columns=confirmed_dataset.column_names,
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num_proc=NUM_CORES # Use all cores for dataset processing
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)
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# Optimize sharding for parallel writing
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num_shards = min(50, len(confirmed)) # More shards for better parallelization
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shard_size = len(confirmed_dataset) // num_shards + 1
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def write_shard(shard_info):
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"""Write a single shard - designed for multiprocessing"""
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i, start, end = shard_info
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if start >= len(confirmed_dataset):
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return None
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shard = confirmed_dataset.select(range(start, end))
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table = pa.Table.from_pandas(shard.to_pandas())
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shard_path = os.path.join(output_dir, f"confirmed_shard_{i:03}.parquet")
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pq.write_table(
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table,
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shard_path,
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compression="zstd",
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compression_level=22,
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use_dictionary=True,
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version="2.6"
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)
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return f"Shard {i+1}: {len(shard)} samples saved to {shard_path}"
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# Prepare shard information
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shard_info = []
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for i in range(num_shards):
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start = i * shard_size
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end = min(len(confirmed_dataset), (i + 1) * shard_size)
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shard_info.append((i, start, end))
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# Write shards in parallel
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print(f"Writing {num_shards} shards in parallel...")
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with ProcessPoolExecutor(max_workers=NUM_CORES) as executor:
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results = list(tqdm(
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executor.map(write_shard, shard_info),
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total=len(shard_info),
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desc="Writing shards"
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))
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# Print results
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for result in results:
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if result:
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print(f"🔹 {result}")
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print(f"\n✅ All confirmed data saved in {num_shards} shards in `{output_dir}/`")
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return num_shards
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async def upload_to_hf(num_shards):
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"""Upload to Hugging Face Hub"""
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print(f"\n🚀 Pushing dataset to Hugging Face Hub as '{HF_DATASET_NAME}'...")
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try:
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api = HfApi(token=os.getenv("HF_TOKEN"))
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# Create repository
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try:
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create_repo(
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repo_id=HF_DATASET_NAME,
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repo_type="dataset",
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private=HF_PRIVATE,
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exist_ok=True
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)
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print(f"✅ Repository '{HF_DATASET_NAME}' created/verified")
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except Exception as e:
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print(f"⚠️ Repository creation failed: {e}")
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return
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# Create dataset info
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dataset_info = {
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"dataset_name": HF_DATASET_NAME,
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"description": "Persian Common Voice confirmed samples for Whisper fine-tuning",
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"total_samples": len(confirmed),
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"num_shards": num_shards,
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"audio_format": "int16 PCM, 16kHz",
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"columns": ["audio", "text"],
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"source_dataset": "Ashegh-Sad-Warrior/Persian_Common_Voice_17_0",
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"processing": "Vosk API batch confirmation (optimized for 192 cores)"
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}
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info_path = os.path.join(output_dir, "dataset_info.json")
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with open(info_path, 'w', encoding='utf-8') as f:
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json.dump(dataset_info, f, indent=2, ensure_ascii=False)
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# Upload folder
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api.upload_folder(
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folder_path=output_dir,
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repo_id=HF_DATASET_NAME,
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repo_type="dataset",
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)
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print(f"🎉 Dataset successfully pushed to: https://huggingface.co/datasets/{HF_DATASET_NAME}")
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except Exception as e:
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print(f"❌ Failed to push to Hugging Face: {e}")
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async def main():
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"""Main function"""
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start_time = time.time()
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print(f"🚀 Starting optimized processing with {NUM_CORES} cores")
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print(f"📊 Dataset size: {len(ds)} samples")
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print(f"⚙️ Batch size: {BATCH_SIZE}")
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print(f"🔄 Max concurrent requests: {MAX_CONCURRENT_REQUESTS}")
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# Process dataset
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confirmed = await process_dataset_async()
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# Save data
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num_shards = save_confirmed_data_parallel(confirmed)
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# Upload to HF
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await upload_to_hf(num_shards)
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end_time = time.time()
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print(f"\n⏱️ Total processing time: {end_time - start_time:.2f} seconds")
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print(f"📈 Processing rate: {len(ds) / (end_time - start_time):.2f} samples/second")
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if __name__ == "__main__":
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# Set multiprocessing start method for better performance
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mp.set_start_method('spawn', force=True)
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# Run the async main function
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asyncio.run(main())
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