SPECweb96 Result

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                                                        ||
 IBM Austin,Tx : RS/6000 Model S70                      ||   4075   SPECweb96
 Zeus Technology Ltd : Zeus 1.3.0                       ||
                                                        ||
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   Throughput   Response
     ops/sec      msec
       420         6.0
       840         6.2
      1260         6.5
      1680         6.9
      2100         7.6
      2520         8.5
      2940         9.5
      3359        11.3
      3779        15.1
      4075        31.2

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                          General Availability Dates

 Hardware            Oct-97
 Operating System    Jan-98
 HTTP Software       Oct-97

                               System Hardware

 Vendor              IBM Austin,Tx
 Model               RS/6000 Model S70
 Processor           125MHz PwrPC RS64
 # of Processors     12
 Primary Cache       64KBI+64KBD on chip
 Secondary Cache     4MB(I+D) off chip
 Other Cache         None
 Memory              4096MB
 Disk Controllers    Wide SCSI, SSA Enhanced RAID Adapter
 Disk Subsystem      1 4.5GB 16bSCSI w/ 2 2GB SSA Logical Disks
 Other Hardware      IBM 8260 ATM switch

                               System Software

 Operating System    AIX 4.3 + APAR IX72259,IX73249 (see notes)
 Other Software      None
 File System Type    JFS

                                HTTP Software

 Vendor              Zeus Technology Ltd
 HTTP Software       Zeus 1.3.0
 # of "threads"      8
 Server Cache        -b 1048576 -t 15000 -q -n -m 1
 Log Mode            Common Log Format

                                   Network

 # of Controllers    8
 Network Controller  IBM PCI 155Mbps ATM adapter
 # of Nets           8
 Type of Nets        ATM
 Network Speed       155 Mb/s
 MSL (sec)           30
 Time-Wait (sec)     60

                               Load Generators

 # of Generators     8
 # of Processes Each 16
 Model               8 RS/6000 7043-240
 Processor           233MHz PwrPC 604e
 # of Processors     2
 Memory              256MB
 Network Controller  IBM PCI 155Mbps ATM
 Operating System    AIX 4.2.1
 Compiler            IBM Cset++ Version 3.1.3

                            Benchmark Configuration

 Max Requested Load  4200
 Max Fileset Size    1415

                                 Test Sponsor

 Tested By           IBM Austin
 License Number      11
 Test Date           Dec-97

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                            Operating System Notes

<> APAR IX72259 - A 15 seconds timer is used to timeout Time-Wait connections.
<> User can configure Time-Wait value by no -o tcp_timewait=x.
<> Set tcp_timewait=5 (5*15 > 60) guarantees at least 60 seconds Time-Wait value
<> APAR IX73249 - ATM DD reduce idle period in DMA transfer
<> APAR IX73249 available Jan-98

                                Network Notes

<> ATM MTU=9180

                                 Other Notes

<> no(network option) tuning:
<> .  no -o the_wall=131072 (max memory allocated to mbuf pools)
<> .  no -o sb_max=262144 (max buffer size allowed for a socket)
<> .  no -o somaxconn=8192 (max listen backlog)
<> .  no -o tcp_sendspace=65536 (default socket send buffer size)
<> .  no -o tcp_recvspace=65536 (default socket receive buffer size)
<> .  no -o tcp_timewait=5 (ensure that TIME_WAIT is at least 60 sec.)
<> chdev tuning:
<> .  chdev -l sys0 -a SW_dist_intr=true (enable SW distribution of interrupts)

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