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  
     --------------- ------------- 
     663             11.1
     1328            12.8
     1997            14.6
     2659            16.2
     3324            17.9
     3987            18.7
     4642            21.7
     5308            24.6
     5969            28.4
     6603            34.5
     6830            36.3
     7023            37.1

SPEC SFS 1 Baseline Result:

   7023 SPECnfs_A93 Ops/Sec @ 37.1 msec ==> 702 SPECnfs_A93 Users

Server Hardware

CPU, Memory, & Power
Model Number:              XL 
CPU:                       200MHz MIPS R4400 
Number of CPUs:            12 
Primary Cache:             16KBI+16KBD on chip 
Secondary Cache:           20MB(I+D) off chip 
Other Cache:               None 
Memory:                    1024MB 
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:    12 
Processes Per Load Generator: 18 
Biod_Max_Reads:               2 
Biod_Max_Writes:              2 

Disk Subsystem & Filesystems (Full Configuration Follows)
# of Disk Controllers:     10 
# of Disks:                109 
# of File Systems:         108 (FS0-FS107) 

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:          240 
Fileset Size:              39GB 

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

License #:  4
Tested :    Nov-94
By:         SGI
Of:         Mountain View, CA

Notes/Summary Of Tuning Parameters

syssegsz = 35000
ncsize = 60000
maxphyscolors = 32
vnode_free_ratio = 24
svc_maxdupreqs = 6000
All filesystems are exported in wsync mode.

Detailed Server Description

Network Subsystem
VME 1:
   FDDI controller 1: 2 LG1, 1 LG2
   FDDI controller 2:
     Crescendo 1000 Concentrator: 2 LG1, 1 LG2
VME 2:
   FDDI controller 3: 2 LG1, 1 LG2
   FDDI controller 4:
     Crescendo 1000 Concentrator: 2 LG1, 1 LG2

Disk Subsystem & Filesystems
Controller 1:  SCSI Fast/Wide Diff
    Disks:  1 SCSI 2GB
        Contents:  OS, swap space
Controllers 2-10: SCIP-SCSI Fast/Wide Diff
    Disks 1-48: 2GB(5400RPM)
    Disks 49-108: 2GB(7200RPM)
Controller 2:  Disks: 1-12, FS3,12,21,30,39,48,57,66,75,84,93,102
Controller 3:  Disks: 13-24, FS4,13,22,31,40,49,58,67,76,85,94,103
Controller 4:  Disks: 25-36, FS5,14,23,32,41,50,59,68,77,86,95,104
Controller 5:  Disks: 37-48, FS6,15,24,33,42,51,60,69,78,87,96,105
Controller 6:  Disks: 49-60, FS7,16,25,34,43,52,61,70,79,88,97,106
Controller 7:  Disks: 61-72, FS8,17,26,35,44,53,62,71,80,89,98,107
Controller 8:  Disks: 73-84, FS0,9,18,27,36,45,54,63,72,81,90,99
Controller 9:  Disks: 85-96, FS1,10,19,28,37,46,55,64,73,82,91,100
Controller 10:  Disks: 97-108, FS2,11,20,29,38,47,56,65,74,83,92,101

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            N2      FS36-FS53   lbsize=32768
       4              LG1            N2      FS54-FS71   lbsize=32768
       5              LG1            N3      FS72-FS89   lbsize=32768
       6              LG1            N3      FS90-FS107  lbsize=32768
       7              LG2            N4      FS0-FS17    lbsize=32768
       8              LG1            N4      FS18-FS35   lbsize=32768
       9              LG1            N1      FS36-FS53   lbsize=32768
       10             LG2            N3      FS54-FS71   lbsize=32768
       11             LG1            N2      FS72-FS89   lbsize=32768
       12             LG1            N4      FS90-FS107  lbsize=32768