SPECweb96 Result

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                                                        ||
 IBM : RS/6000 7025 - F50                               ||   6716   SPECweb96
 IBM : IBM HTTP Server 1.3.4                            ||
                                                        ||
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   Throughput   Response
     ops/sec      msec
       680         2.1
      1360         2.2
      2040         2.4
      2720         2.6
      3400         2.9
      4080         3.2
      4759         3.6
      5438         4.0
      6122         4.8
      6716         8.5

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                          General Availability Dates

 Hardware            Feb-98
 Operating System    Aug-99
 HTTP Software       Aug-99

                               System Hardware

 Vendor              IBM
 Model               RS/6000 7025 - F50
 Processor           332 MHz PowerPC 604e
 # of Processors     4
 Primary Cache       32KBI+32KBD cache
 Secondary Cache     256KB L2 cache per processor
 Other Cache         None
 Memory              3072 MB
 Disk Controllers    Wide SCSI I/O Controller
 Disk Subsystem      3 16 Bit SCSI Disk Drivers ( 9100 MB )
 Other Hardware      ForeRunner LE 155 ATM Switch<BR> Alteon ACESwitch 180<BR>

                               System Software

 Operating System    AIX 4.3.2 + APAR IX86737
 Other Software      None
 File System Type    JFS

                                HTTP Software

 Vendor              IBM
 HTTP Software       IBM HTTP Server 1.3.4
 # of "threads"      6
 Server Cache        FRCA (Integrated)
 Log Mode            Binary Common Log Format

                                   Network

 # of Controllers    6
 Network Controller  4 IBM PCI 155 Mbps ATM Adapters<BR> 2 PCI Gigabit
 # of Nets           6
 Type of Nets        ATM & Jumbo Frame Gigabit
 Network Speed       155 Mb/sec for ATM<BR> 1000 Mb/sec for Jumbo Frame
 MSL (sec)           30
 Time-Wait (sec)     60

                               Load Generators

 # of Generators     7
 # of Processes Each 12
 Model               7 RS/6000 7043-260
 Processor           200 MHz POWER3
 # of Processors     2
 Memory              1GB
 Network Controller  IBM PCI 155 Mbps ATM<BR> PCI Gigabit Ethernet-SX<BR>
 Operating System    AIX 4.3.2
 Compiler            IBM Cset++ Version 3.1.3

                            Benchmark Configuration

 Max Requested Load  6800
 Max Fileset Size    1801

                                 Test Sponsor

 Tested By           IBM Austin
 License Number      11
 Test Date           Mar-99

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                            Operating System Notes

<> APAR IX86737 - AIX FRCA support

                                Network Notes

<> ATM MTU=9180 & Jumbo Frame Gigabit MTU=9000
<> 1 client per ATM network, 1 client on one Jumbo Frame Gigabit network, & 2 clients on the other Jumbo Frame Gigabit network

                                 Other Notes

<> server no (network option) tuning:
<> no -o sb_max=262144 (max buffer size allowed for a socket, default=65536)
<> no -o somaxconn=8192 (max listen backlog, default=1024)
<> no -o nbc_max_cache=100000 (max file size for network buffer cache, default=1048576)
<> no -o nbc_seg_limit=10000 (number of entry allowed in private segment, default=0)
<> no -o tcp_sendspace=28000 (default socket send buffer size, default=16384)
<> no -o tcp_recvspace=28000 (default socket receive buffer size, default=16384)
<> no -o tcp_timewait=5 (ensure that TIME_WAIT is at least 60 seconds, default=1)
<> bind FRCA logging thread to CPU 0
<> FRCA logging - BINARY
<> client no (network option) tuning:
<> no -o tcp_sendspace=28000 (default socket send buffer size, default=16384)
<> no -o tcp_recvspace=28000 (default socket receive buffer size, default=16384)
<> no -o delayack=3 (delay ack for connection setup and shutdown, default=0)
<> no -o delayackports={80} (delay ack ports, default={})
<> Alternate HTTP/HT.c used. Repeated client-side calls 'gethostbyname()' ommitted, as approved by SPEC.
<> No change in measured server performance but reduction in client load.

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