HP ML570 - ProLiant - G2 Tuning Manual page 38

Novell NetWare 6 performance tuning guidelines for ProLiant servers
Results: With a workload of 60 clients, the ProLiant ML570 G2 server configured with a
single processor provided an average of 37% more throughput with hyper-threading
disabled compared to when hyper-threading was enabled.
figure 8. effects of hyper-threading on NetBench performance: quad processors
Performance Effects of Hyper-Threading (HT) on Netbench Test
1,600
1,400
1,200
1,000
800
600
400
200
0
1 4 8
Results: With a workload of 60 clients, the ProLiant ML570 G2 server configured with
four processors provided an average of 29% more throughput with hyper-threading
disabled compared to when hyper-threading was enabled.
figure 9. effects of hyper-threading on WebBench performance: single processor
Performance Effects of Hyper-Threading (HT) on WebBench Test
10,000
9,000
8,000
7,000
6,000
5,000
4,000
3,000
2,000
1,000
0
1 4 8
Results: With a workload of 60 clients, the ProLiant ML570 G2 server configured with a
single processor provided an average of 8% more throughput with hyper-threading
disabled compared to when hyper-threading was enabled.
(Higher is Better)
12 16 20 24 28 32
# of Clients
(Higher is Better)
12 16 20 24 28 32 36
# of Clients
36 40 44 48 52 56
40 44 48 52 56 60
HT-OFF
HT-ON
60
HT-ON
HT-OFF
38