List of Figures 5
Performance Guidelines for AMD Athlon™ 64 and AMD Opteron™
ccNUMA Multiprocessor Systems
40555 Rev. 3.00 June 2006
List of Figures
Figure 1. Quartet Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Figure 2. Internal Resources Associated with a Quartet Node . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Figure 3. Write-Only Thread Running on Node 0, Accessing Data from 0, 1 and 2 Hops
Away on an Idle System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Figure 4. Read-Only Thread Running on Node 0, Accessing Data from 0, 1 and 2 Hops
Away on an Idle System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Figure 5. Write-Only Thread Running on Node 0, Accessing Data from 0, 1 and 2
Hops Away on an Idle System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Figure 6. Crossfire 1 Hop-1 Hop Case vs No Crossfire 1 Hop-1 Hop Case on an Idle System . .26
Figure 7. Crossfire 1 Hop-1 Hop Case vs No Crossfire 1 Hop-1 Hop Case under a
Low Background Load (High Subscription) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Figure 8. Crossfire 1 Hop-1 Hop Case vs No Crossfire 1 Hop-1 Hop Case under a
Very High Background Load (High Subscription). . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Figure 9. Crossfire 1 Hop-1 Hop Case vs No Crossfire 1 Hop-1 Hop Case under a
Very High Background Load (Full Subscription) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Figure 10. Both Read-Only Threads Running on Node 0 (Different Cores) on an Idle System . . .30
Figure 11. Both Write-Only Threads Running on Node 0 (Different Cores) on an Idle System . .31
Figure 12. Both Write-Only Threads Running on Node 0 (Different Cores) under
Low Background Load (High Subscription) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Figure 13. Both Write-Only Threads Running on Node 0 (Different Cores) under Medium
Background Load (High Subscription). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Figure 14. Both Write-Only Threads Running on Node 0 (Different Cores) under High
Background Load (High Subscription). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Figure 15. Both Write-Only Threads Running on Node 0 (Different Cores) under
Very High Background Load (High Subscription). . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Figure 16. Internal Resources Associated with a Quartet Node . . . . . . . . . . . . . . . . . . . . . . . . . . .39
