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  
     -------------- ------------- 
     80             9.8
     161            12.9
     242            15.2
     323            16.7
     405            19.0
     483            21.5
     564            23.4
     645            28.3
     726            30.5
     805            38.3
     825            41.8
     841            45.5

SPEC SFS 1 Baseline Result:

   841 SPECnfs_A93 Ops/Sec @ 45.5 msec ==> 84 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:              S
File Processor:            150MHz MIPS R4400
Number of FPs:             1
Metadata Cache:            16KBI+16KBD on chip
Other Cache:               1MB(I+D) off chip
Host Processor:            None
Memory:                    256MB
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:     4
Processes Per Load Generator:  8
Biod_Max_Reads:                2
Biod_Max_Writes:               2

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:      3
# of Disks:                 9
# of File Systems:          8 (FS0-FS7)

Network Subsystem (Full Configuration Follows)
# of Net Controllers:       1
# of Networks:              1 (N1)
Type of Network:            FDDI

Server Tuning (Also see Notes/Tuning below)
Buffer Cache Size:          Dynamic
# of NFS Daemons:           36
Fileset Size:               4.6GB

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

ncsize = 8000
vnode_free_ratio = 32
All exported filesystems are 800MB in size and exported in wsync

Detailed Server Description

Network Subsystem
FDDI controller: 3 LG1, 1 LG2

Disk Subsystem & Filesystems
Controller 1:  SCSI
    Disks:  1 SCSI 1GB
        Contents:  OS, swap space
Controllers 2-3: SCSI Fast/Wide Diff
    Disks 1-8: 2GB(7200RPM)
Controller 2:  Disks: 1-4, FS0,2,4,6
Controller 3:  Disks: 5-8, FS1,3,5,7

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              LG1            N1      FS0-FS7     lbsize=32768
       2              LG1            N1      FS0-FS7     lbsize=32768
       3              LG1            N1      FS0-FS7     lbsize=32768
       4              LG2            N1      FS0-FS7     lbsize=32768