62IBM Power Systems 775 for AIX and Linux HPC Solution
1.9 High Performance Computing software stack
Figure 1-50 shows the IBM Power Systems HPC software stack.
Figure 1-50 POWER HPC software stack
Table 1-6 describes the IBM Power HPC software stack.
Table 1-6 HPC software stack for POWER
GPFS
User SpaceKernel Space
IP
IF_LS
DD
HYP
Operating Systems: AIX/Linux
Load Leveler
Scheduler
xCAT
Network(s): IB, HFI-ISR
Network Adapter(s): Galaxy2, IB HCAs, HFI (GSM)
Hardware Platforms: Power, P7IH
HAL –HFI (GSM), IB
AIX/OFED IB Verbs
LAPI – Reliable FIFO, RDMA, Striping,
Failover/Recovery, Pre-emption, User
Space Statistics, Multi-Protocol,
Scalability
PNSD / NRT ...
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