| Title: | Alpha Developer Support |
| Notice: | [email protected], 800-332-4786 |
| Moderator: | HYDRA::SYSTEM |
| Created: | Mon Jun 06 1994 |
| Last Modified: | Fri Jun 06 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 3722 |
| Total number of notes: | 11359 |
Company Name : Onlife Technology
Contact Name : Neil Day
Phone : 408-566-6000 x4.05
Fax :
Email :
Date/Time in : 25-APR-1997 16:20:24
Entered by : Miller Chin
SPE center : MRO
Category : NT
OS Version : 4.0 (1381, SP1)
System H/W : Alpha Server 4100
Brief Description of Problem:
-----------------------------
Saw performance degradation when running his own benchmark
on Alpha 4100 server SMP on 2CPU vs. 1 CPU.
| T.R | Title | User | Personal Name | Date | Lines |
|---|---|---|---|---|---|
| 3551.1 | HYDRA::CHIN | Fri Apr 25 1997 17:31 | 36 | ||
RE: -1
I checked with Neil on all possible problems, but could come up
with anything obvious. Neil will put together some benchmark
for me to try here.
Config:
Alpha Server 4100 2CPU (466Mhz)
AlphaBIOS 5.28, 970126.1242
4GB RAM
4MB Cache,
processor 0 and 1 ready
Firmware ??
Application was written in C++ and compiled with VC4.2b/Alpha.
and pick up a patch ac242bta.exe for /Oa fix
Benchmark - written by Neil
For testing number of NamePipe connections/sec
- Open and close name pipe within the For loop
- Use Win32 code
- Use Win32 Multimedia timer for measuring
- use c rtl malloc for memory alloc
- in memory test, no disk activities
- multithreaded (ie. 3 threads)
- no network, standalone system
result: 1cpu - 2500 conn/sec
2cpu - 1700
Neil claimed that his application is very 'well' decomposed for
SMP system, but he didn't have any Intel numbers yet.
Miller
| |||||
| 3551.2 | HYDRA::CHIN | Fri May 09 1997 19:37 | 11 | ||
re: -1 The problem is taken offline and I will be responsible to communicate with this customer and the sales team on the status. So far I conducted some benchmark testing, and sent two reports to all stakeholders. IPMT has been filed by the sales/msc team to track this. CAPE # WEAB51094. Note closed. | |||||