compare-models.py

#!/bin/env python

# Define 2 pickletensor files as args.
# Read in keys from the first.
# Compare contents. Print results, for each key



import torch
import sys
import numpy

if len(sys.argv) != 3:
    print("Error: expect two filenames")
    exit(1)


filename1=sys.argv[1]
filename2=sys.argv[2]


print("loading "+filename1)
model1=torch.load(filename1)
print("loading "+filename2)
model2=torch.load(filename2)
print("done")


def compare_tensor(t1,t2):
    if t1.shape != t2.shape:
        return "Shape mismatch"
    if not numpy.array_equal(t1, t2):
        return "NOT equal"
    return "equal"


for key in model1.keys():
    if key in model2:
        print(key,compare_tensor(model1[key],model2[key]))
    else:
        print(f"{key} only in {filename1}")