SPEC SFS 1 Baseline Summary

097.LADDIS (Volume 7, Issue 1, March 1995)

Silicon Graphics

Challenge

Throughput:

     NFS            Average       
     Throughput     NFS           
     SPECnfs_A93    Response Time 
     Ops/Sec        Milliseconds  
     -------------- ------------- 
     272            10.7
     543            12.4
     816            14.5
     1086           16.2
     1357           18.0
     1631           20.1
     1902           22.3
     2170           25.2
     2441           27.1
     2697           35.2
     2794           41.3
     2830           43.2

SPEC SFS 1 Baseline Result:

   2830 SPECnfs_A93 Ops/Sec @ 43.2 msec ==> 283 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:              DM 
File Processor:            150MHz MIPS R4400 
Number of FPs:             4 
Metadata Cache:            16KBI+16KBD on chip 
Other Cache:               N1MB(I+D) off chip
Host Processor:            None
Memory:                    512MB 2-way interleaved 
UPS:                       None 
Other Hardware:            FDDI 

Server Software
OS Version:                IRIX 5.3 
Other Software:            FDDIXpress, NFS 
File System:               EFS 

Load Generators(LGs)
Number of Load Generators:    6 
Processes Per Load Generator: 18 
Biod_Max_Reads:               2 
Biod_Max_Writes:              2 

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:     4 
# of Disks:                36 
# of File Systems:         36 (FS0-FS35) 

Network Subsystem (Full Configuration Follows)
# of Net Controllers:      2 
# of Networks:             2 (N1-N2) 
Type of Network:           FDDI 

Server Tuning (Also see Notes/Tuning below)
Buffer Cache Size:         Dynamic 
# of NFS Daemons:          112 
Fileset Size:              16GB 

Hardware Availability:      Dec-94
Software Availability:      Dec-94

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

Notes/Summary Of Tuning Parameters

syssegsz = 32000
ncsize = 25000
maxphyscolors = 32
vnode_free_ratio = 24
All exported filesystems are 1GB in size and exported in wsync mode.

Detailed Server Description

Network Subsystem
FDDI controller 1: 1 LG1, 2 LG2
FDDI controller 2: 3 LG1

Disk Subsystem & Filesystems
Controller 1:  SCSI
    Disks:  1 SCSI 1GB
        Contents:  OS, swap space
Controllers 2-4: SCIP-SCSI Fast/Wide Diff
    Disks 1-30: 2GB(7200RPM)
    Disks 31-32: 2GB(5400RPM)
    Disks 33-36: 2GB(7200RPM)
Controller 2:  Disks: 1-12, FS0,3,6,9,12,15,18,21,24,27,30,33
Controller 3:  Disks: 13-24, FS1,4,7,10,13,16,19,22,25,28,31,34
Controller 4:  Disks: 25-36, FS2,5,8,11,14,17,20,23,26,29,32,35

Detailed Load Generator (LG) Description
Load Gen. Type   Model     # of CPUs         RAM    OS         Compiler
LG1              Indy   1 100MHz MIPS R4000  64MB   IRIX 5.2   Ansi C, 3.17
LG2              Indy   1 150MHz MIPS R4400  64MB   IRIX 5.2   Ansi C, 3.17

Testbed Configuration
       Load Generator Load Generator         Target      
       Number         Type           Network Filesystems Notes
       -------------- -------------- ------- ----------- -------------
       1              LG2            N1      FS0-FS17    lbsize=32768
       2              LG1            N1      FS18-FS35   lbsize=32768
       3              LG2            N1      FS0-FS17    lbsize=32768
       4              LG1            N2      FS18-FS35   lbsize=32768
       5              LG1            N2      FS0-FS17    lbsize=32768
       6              LG1            N2      FS18-FS35   lbsize=32768