Chapter 3. Virtualization
97
Figure 3-3 shows how to choose a processor compatibility mode from IVM.
Figure 3-3 Configuring partition profile compatibility mode from IVM
Table 3-2 lists the differences between these modes.
Table 3-2 Differences between POWER6 and POWER7 mode
3.4 PowerVM
The PowerVM platform is the family of technologies, capabilities, and offerings that deliver
industry-leading virtualization on the IBM Power Systems. Leading technologies such as
Logical Partitioning, Micro-Partitioning™, POWER Hypervisor, Virtual I/O Server (VIOS),
POWER6 and mode
POWER7 mode
Customer value
2-thread SMT
4-thread SMT
Throughput performance, processor
core utilization.
VMX (Vector Multimedia Extension
or AltiVec)
VSX (Vector Scalar Extension)
High performance computing for
graphic and scientific workload.
Affinity OFF by default
3-tier memory, micro-partition Affinity
Improved system performance for
system images spanning sockets and
nodes.
Barrier Synchronization
Fixed 128-byte Array; Kernel
Extension Access
Enhanced Barrier Synchronization
Variable Sized Array; User Shared
Memory Access
High performance computing parallel
programming synchronization facility.
64-core and 128-thread scaling
32-core and 128-thread scaling
64-core and 256-thread scaling
256-core and 1024-thread scaling
Performance and Scalability for Large
Scale-Up Single System Image
Workloads (such as OLTP, ERP
scale-up, WPAR consolidation).
EnergyScale CPU Idle
EnergyScale CPU Idle and Folding with
NAP and SLEEP
Improved Energy Efficiency.
Summary of Contents for BladeCenter PS703
Page 2: ......
Page 8: ...vi IBM BladeCenter PS703 and PS704 Technical Overview and Introduction...
Page 14: ...xii IBM BladeCenter PS703 and PS704 Technical Overview and Introduction...
Page 50: ...36 IBM BladeCenter PS703 and PS704 Technical Overview and Introduction...
Page 164: ...150 IBM BladeCenter PS703 and PS704 Technical Overview and Introduction...
Page 197: ......