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
Questions? Concerns? Send mail to utpds@cs.utk.edu