Nvidia DGX Station A100 User Manual

Getting Started with DGX Station A100
DGX Station A100 DU-10189-001 _v5.0.2|12
lab@ro-dvt-058-80gb:/usr/local/cuda-11.2/samples/bin/x86_64/linux/release $ ./
p2pBandwidthLatencyTest
[P2P (Peer-to-Peer) GPU Bandwidth Latency Test]
Device: 0, Graphics Device, pciBusID: 1, pciDeviceID: 0, pciDomainID:0
Device: 1, Graphics Device, pciBusID: 47, pciDeviceID: 0, pciDomainID:0
Device: 2, Graphics Device, pciBusID: 81, pciDeviceID: 0, pciDomainID:0
Device: 3, Graphics Device, pciBusID: c2, pciDeviceID: 0, pciDomainID:0
Device: 4, DGX Display, pciBusID: c1, pciDeviceID: 0, pciDomainID:0
Device=0 CAN Access Peer Device=1
Device=0 CAN Access Peer Device=2
Device=0 CAN Access Peer Device=3
Device=0 CANNOT Access Peer Device=4
Device=1 CAN Access Peer Device=0
Device=1 CAN Access Peer Device=2
Device=1 CAN Access Peer Device=3
Device=1 CANNOT Access Peer Device=4
Device=2 CAN Access Peer Device=0
Device=2 CAN Access Peer Device=1
Device=2 CAN Access Peer Device=3
Device=2 CANNOT Access Peer Device=4
Device=3 CAN Access Peer Device=0
Device=3 CAN Access Peer Device=1
Device=3 CAN Access Peer Device=2
Device=3 CANNOT Access Peer Device=4
Device=4 CANNOT Access Peer Device=0
Device=4 CANNOT Access Peer Device=1
Device=4 CANNOT Access Peer Device=2
Device=4 CANNOT Access Peer Device=3
***NOTE: In case a device doesn't have P2P access to other one, it falls back to
normal memcopy procedure.
So you can see lesser Bandwidth (GB/s) and unstable Latency (us) in those cases.
P2P Connectivity Matrix
D\D 0 1 2 3 4
0 1 1 1 1 0
1 1 1 1 1 0
2 1 1 1 1 0
3 1 1 1 1 0
4 0 0 0 0 1
Unidirectional P2P=Disabled Bandwidth Matrix (GB/s)
D\D 0 1 2 3 4
0 1323.03 15.71 15.37 16.81 12.04
1 16.38 1355.16 15.47 15.81 11.93
2 16.25 15.85 1350.48 15.87 12.06
3 16.14 15.71 16.80 1568.78 11.75
4 12.61 12.47 12.68 12.55 140.26
Unidirectional P2P=Enabled Bandwidth (P2P Writes) Matrix (GB/s)
D\D 0 1 2 3 4
0 1570.35 93.30 93.59 93.48 12.07
1 93.26 1583.08 93.55 93.53 11.93
2 93.44 93.58 1584.69 93.34 12.05
3 93.51 93.55 93.39 1586.29 11.79
4 12.68 12.54 12.75 12.51 140.26
Bidirectional P2P=Disabled Bandwidth Matrix (GB/s)
D\D 0 1 2 3 4
0 1588.71 19.60 19.26 19.73 16.53
1 19.59 1582.28 19.85 19.13 16.43
2 19.53 19.39 1583.88 19.61 16.58
3 19.51 19.11 19.58 1592.76 15.90
4 16.36 16.31 16.39 15.80 139.42
Bidirectional P2P=Enabled Bandwidth Matrix (GB/s)
D\D 0 1 2 3 4
0 1590.33 184.91 185.37 185.45 16.46
1 185.04 1587.10 185.19 185.21 16.37
2 185.15 185.54 1516.25 184.71 16.47

Nvidia DGX Station A100 Specifications

General

Brand	Nvidia
Model	DGX Station A100
Category	Desktop
Language	English