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github-actions[bot] eefc084302 sunnypilot v2025.12.18-3820
version: sunnypilot v2025.003.000 (dev)
date: 2025-12-18T05:48:43
master commit: 16c052af0835f049a67b80251d8cc1114fc08bb4
2025-12-18 05:48:43 +00:00

15 lines
472 B
Python

from tinygrad import Tensor, Device, GlobalCounters
from tinygrad.helpers import Timing
N = 512
GPUS = 5
ds = tuple([f"{Device.DEFAULT}:{i+1}" for i in range(GPUS)])
t = [Tensor.ones(N, N, N, device=d).contiguous().realize() for d in ds]
for _ in range(10):
GlobalCounters.reset()
with Timing():
for ti in t:
ti.to_(ds[(ds.index(ti.device)+1+len(ds))%len(ds)])
# ti.to_(ds[(ds.index(ti.device)-1+len(ds))%len(ds)]) # reversed order
ti.realize()