Compaq ProLiant 1000 Performance of Microsoft Exchange Server 4.0 on Compaq Pr - Page 17

LoadSim Score vs. # Users, 1P CPU Comparison, 2P CPU Comparison

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444A/0696 WHITE PAPER (cont.) 1...7 LoadSim Score vs. # Users 1P CPU Comparison 3000 (lower score is better) 2500 2000 Score 1500 1000 500 0 300 500 800 1000 1200 Number of Users Figure 6. Single CPU performance comparison. 1500 P5/100 P5/133 P5/166 P6/166 3000 LoadSim Score vs. # Users 2P CPU Comparison (lower score is better) 2500 Score 2000 1500 1000 P5/100 P5/133 P5/166 P6/166 500 0 300 500 800 1000 1200 1500 Number of Users Figure 7. Dual CPU performance comparison. • This data again illustrates the increased power of the Pentium Pro processor with 32-bit Windows NT applications. It also demonstrates the benefit of large L2 cache in the Pentium/133 and /166 CPUs (as opposed to the smaller cache in Pentium/100 CPUs.) • The overall indication is that 1500 users is about the practical upper limit for tests using this LoadSim user profile. Over 1500 users the response time exceeds three seconds.

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LoadSim Score vs. # Users
1P CPU Comparison
(lower score is better)
0
500
1000
1500
2000
2500
3000
300
500
800
1000
1200
1500
Number of Users
Score
P5/100
P5/133
P5/166
P6/166
Figure 6. Single CPU performance comparison.
LoadSim Score vs. # Users
2P CPU Comparison
(lower score is better)
0
500
1000
1500
2000
2500
3000
300
500
800
1000
1200
1500
Number of Users
Score
P5/100
P5/133
P5/166
P6/166
Figure 7. Dual CPU performance comparison.
•
This data again illustrates the increased power of the Pentium Pro processor with 32-bit
Windows NT applications. It also demonstrates the benefit of large L2 cache in the
Pentium/133 and /166 CPUs (as opposed to the smaller cache in Pentium/100 CPUs.)
•
The overall indication is that 1500 users is about the practical upper limit for tests using this
LoadSim user profile. Over 1500 users the response time exceeds three seconds.