I wouldn’t count these for anything, my space heater lab rats are so far off the stock build image now that I’d have to wipe them and keep a notebook to record step by step changes. I’m a happy camper, great machines! :-) LOL, they are going to keep me very warm this winter!
nccl-tests version 2.17.6 nccl-headers=22803 nccl-library=22803
Collective test starting: all_gather_perf
nThread 1 nGpus 1 minBytes 1073741824 maxBytes 34359738368 step: 2(factor) warmup iters: 1 iters: 20 agg iters: 1 validation: 1 graph: 0
Using devices
Rank 0 Group 0 Pid 3089 on ss1 device 0 [000f:01:00] NVIDIA GB10
Rank 1 Group 0 Pid 2952 on ss2 device 0 [000f:01:00] NVIDIA GB10
out-of-place in-place
size count type redop root time algbw busbw #wrong time algbw busbw #wrong
(B) (elements) (us) (GB/s) (GB/s) (us) (GB/s) (GB/s)
1073741824 134217728 float none -1 30360.1 35.37 17.68 0 28562.2 37.59 18.80 0
2147483648 268435456 float none -1 56057.6 38.31 19.15 0 52172.4 41.16 20.58 0
4294967296 536870912 float none -1 105204 40.83 20.41 0 99036.2 43.37 21.68 0
8589934592 1073741824 float none -1 200909 42.76 21.38 0 192992 44.51 22.25 0
17179869184 2147483648 float none -1 392016 43.82 21.91 0 382806 44.88 22.44 0
34359738368 4294967296 float none -1 773561 44.42 22.21 0 763964 44.98 22.49 0
Out of bounds values : 0 OK
Avg bus bandwidth : 20.916
Collective test concluded: all_gather_perf