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@ -8,6 +8,7 @@ from functools import lru_cache |
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import geonamescache |
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import numpy as np |
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from geopy.distance import geodesic |
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from tqdm import tqdm |
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MAX_DISTANCE = 20_037.5 |
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@ -115,6 +116,7 @@ def main(): |
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cities = list(us_cities.values()) |
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print(f"Num cities: {len(cities)}") |
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city_combinations = list(itertools.combinations(cities, 2)) |
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# np.random.shuffle(city_combinations) # will this help or hurt caching? 1.03it/s |
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chunk_size = args.chunk_size |
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num_chunks = len(city_combinations) // chunk_size + 1 |
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output_file = args.output_file |
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@ -126,8 +128,13 @@ def main(): |
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try: |
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executor = concurrent.futures.ProcessPoolExecutor(max_workers=args.workers) |
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for i in range(num_chunks): |
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print(f"Processing chunk {i}...") |
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for i in tqdm( |
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range(num_chunks), |
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total=num_chunks, |
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desc="Processing chunks", |
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ncols=100, |
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bar_format="{l_bar}{bar}{r_bar}", |
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): |
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chunk = city_combinations[(i * chunk_size) : (i + 1) * chunk_size] |
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futures = { |
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executor.submit(calculate_distance, pair): pair for pair in chunk |
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