github-actions[bot]
54e6124925
version: sunnypilot v2026.001.000 (dev) date: 2026-05-07T23:07:19 master commit: c28eb958740187620f2282023b8f1997cf90f583
29 lines
599 B
Python
Executable File
29 lines
599 B
Python
Executable File
#!/usr/bin/env python3
|
|
import os
|
|
#os.environ['OMP_NUM_THREADS'] = '1'
|
|
import time
|
|
import numpy as np
|
|
|
|
N = 512
|
|
if __name__ == "__main__":
|
|
# N^2
|
|
A = np.random.randn(N, N).astype(np.float32)
|
|
# N^2
|
|
B = np.random.randn(N, N).astype(np.float32)
|
|
|
|
# 2N compute in N^2 output cells
|
|
flop = 2*N*N*N
|
|
#print(f"{flop / 1e9:.2f} GFLOP")
|
|
|
|
for i in range(10):
|
|
st = time.monotonic()
|
|
C = A @ B.T
|
|
et = time.monotonic()
|
|
s = et-st
|
|
print(f"{flop/s * 1e-9:.2f} GFLOP/S, {s*1e3:.2f} ms")
|
|
|
|
with open("/tmp/matmul", "wb") as f:
|
|
f.write(A.data)
|
|
f.write(B.data)
|
|
f.write(C.data)
|