Files
tinygrad/extra/gpuburn.py
George Hotz ba84d415fe work from benchmarking tinybox red v2 (#13264)
* work from benchmarking tinybox red v2

* gpuburn
2025-11-13 16:38:40 -08:00

17 lines
596 B
Python

from tinygrad import Tensor, Device, TinyJit, dtypes
from tinygrad.helpers import getenv
GPUS = getenv("GPUS", 4) # TODO: expose a way in tinygrad to access this
N = 6144
@TinyJit
def many_matmul(A, B):
out = A
for _ in range(8): out = out@B
return out
if __name__ == "__main__":
A = Tensor.ones(GPUS, N, N, dtype=dtypes.half).shard(devices=tuple([f"{Device.DEFAULT}:{i}" for i in range(GPUS)]), axis=0).contiguous()
B = Tensor.ones(GPUS, N, N, dtype=dtypes.half).shard(devices=tuple([f"{Device.DEFAULT}:{i}" for i in range(GPUS)]), axis=0).contiguous()
while 1: many_matmul(A, B)