SPEC SFS 1 Baseline Summary

097.LADDIS (Volume 7, Issue 4, December 1995)

Silicon Graphics

Challenge

Throughput:

     NFS             Average       
     Throughput      NFS           
     SPECnfs_A93     Response Time 
     Ops/Sec         Milliseconds  
     --------------- ------------- 
     397             13.3
     806             16.8
     1218            18.0
     1629            19.4
     2030            21.1
     2438            22.7
     2849            23.2
     3256            24.7
     3652            28.3
     4004            42.6
 

SPEC SFS 1 Baseline Result:

   4004 SPECnfs_A93 Ops/Sec @ 42.6 msec ==> 400 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:               L
CPU:                        250MHz MIPS R4400
Number of CPUs:             4
Primary Cache:              16KBI + 16KBD on chip
Secondary Cache:            4MB(I+D) off chip
Other Cache:                None
Memory:                     1024MB
UPS:                        None
Other Hardware:             FDDI

Server Software
OS Version:                 IRIX 6.1
Other Software:             FDDIXpress, NFS
File System:                XFS

Load Generators(LGs)
Number of Load Generators:     12
Processes Per Load Generator:  12
Biod_Max_Reads:                2
Biod_Max_Writes:               2

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:      7
# of Disks:                 49
# of File Systems:          48 (FS0-FS47)

Network Subsystem (Full Configuration Follows)
# of Net Controllers:       4
# of Networks:              4 (N1-N4)
Type of Network:            FDDI

Server Tuning (Also see Notes/Tuning below)
Buffer Cache Size:          Dynamic
# of NFS Daemons:           156
Fileset Size:               22GB

Hardware Availability:      Sep-95
Software Availability:      Jul-95

License #:  4
Tested :    Jul-95
By:         Silicon Graphics
Of:         Mountain View, CA

Notes/Summary Of Tuning Parameters

nbuf = 5000
ncsize = 35000
svc_maxdupreqs = 9000

All filesystems are mounted in wsync mode.

All filesystems are exported in wsync mode.

Detailed Server Description

Network Subsystem
2 C8-FDDIXPHID FDDI controllers
each controller connects to 2 FDDI rings

Disk Subsystem & Filesystems
Controller 01:  SCSI Fast/Wide Diff
    Disks:  1 SCSI 2GB
      Contents: OS, swap space
Controllers 02-08:  SCIP-SCSI Fast/Wide Diff
    Disks 1-48: 2GB(7200 RPM)
Controller 02: Disks: 1-8, FS0,6,12,18,24,30,36,42
Controller 03: Disks: 9-16, FS1,7,13,19,25,31,37,43
Controller 04: Disks: 17-24, FS2,8,14,20,26,32,38,44
Controller 05: Disks: 25-32, FS3,9,15,21,27,33,39,45
Controller 06: Disks: 33-40, FS4,10,16,22,28,34,40,46
Controller 07: Disks: 41-48, FS5,11,17,23,29,35,41,47  


Detailed Load Generator (LG) Description
Load Gen. Type   Model               # of CPUs  RAM   OS          Compiler
LG1              Indy      1 150MHz MIPS R4400  32MB  IRIX 5.3    Ansi C, 3.17
LG2              Indy      1 133MHz MIPS R4600  32MB  IRIX 5.3    Ansi C, 3.17

Testbed Configuration
       Load Generator Load Generator         Target      
       Number         Type           Network Filesystems          Notes
       -------------- -------------- ------- -------------------  -------------
       01/07          LG1/LG1        N01/N03 FS0-FS11/FS24-FS25   
       02/08          LG1/LG1        N01/N03 FS12-FS23/FS36-FS47  
       03/09          LG1/LG1        N01/N03 FS24-FS35/FS0-FS11   
       04/10          LG1/LG1        N02/NO4 FS36-FS47/FS12-FS23  
       05/11          LG1/LG1        NO2/NO4 FS0-FS11/FS24-FS35   
       06/12          LG2/LG1        NO2/NO4 FS12-FS23/FS36-FS47