SPECweb96 Result

Performance

Throughput (ops/sec) Response (msec) 1552 2.3 3104 2.6 4656 2.8 6208 3.0 7760 3.2 9312 3.5 10865 3.8 12421 5.5 13971 6.6 15406 10.8

Configuration

Notes

OS Notes

• Other Notes/Webserver tuning:
  
• IIS settings: listen port 80, no logging, performance tuning
  
• fewer than 100k.
  
• IIS Home Directory: Access for Read and Directory Browsing Allowed
  
• only, Application Settings permission 'none'.
  
• Network interrupts affinitized one NIC per CPU
  
• One 8GB disk for OS, one 8GB disk for web pages,
  
• Two 8GB disks striped for logs, one 8GB disk for pagefile.
  
• (total page=4092 MB)
  
• 
  
• Registry Settings:
  
• Tcpip/Parameters/MaxHashTableSize=0x10000, sets TCB hash table
  
• size to 65,536 entries, default: 512
  
• Tcpip/Parameters/TcpTimedWaitDelay=0x3c, sets TIME_WAIT
  
• parameter to 60 seconds (non-RFC 1122), default: 240
  
• Tcpip/Parameters/TcpWindowSize=65535, sets send/receive window
  
• size, default: 8192
  
• Tcpip/Parameters/MaxFreeTWTcbs=976000, sets maximum number of
  
• TIME_WAIT tcbs to 976,000
  
• Tcpip/Parameters/MaxSendSegments=0x1000, sets maximum TCP
  
• segments sent consecutively to a destination, default: 64
  
• Tcpip/Parameters/NumTcbTablePartitions=16, sets number of
  
• independent TCB table segments, default: 4
  
• 
  
• InetInfo/Parameters/MaxPoolThreads=1, sets pool threads per
  
• processor, default: 10
  
• InetInfo/Parameters/PoolThreadLimit=4, sets total pool threads
  
• per system to 4
  
• 
  
• Session Manager/Memory Management/SystemPages=0xffffffff,
  
• increases default system page table entries, default set
  
• based on physical memory size
  
• Session Manager/Memory Management/LargeSystemCache=0, reduces
  
• extra virtual space for file system cache from 960MB to 512MB
  
• 
  
• SWC/Parameters/LogDrive=D, sets drive letter for log file
  
• SWC/Parameters/LogFileInitialSize=0xffffffff, sets initial log
  
• file size
  
• 
  
• 
  
• For each Alteon NIC: Control/Class/{*972*}/xxx
  
• JumboFrames=1, enables Jumbo Frame support, default: 0
  
• JumboMtu=9000, sets maximum transfer unit for transmitted
  
• messages, default: 1500
  
• PciReadMax=256, sets max bytes per PCI read burst
  
• RecvCoalMax=20, sets maximum buffer descriptors received
  
• before updating receive_producer_index, default: 6
  
• RecvCoalTicks=1000, sets maximum clock ticks the NIC waits
  
• before updating receive_producer_index, default: 333
  
• SendCoalMax=80, sets maximum buffer descriptors transmitted
  
• before updating send_consumer_index, default: 1
  
• SendCoalTicks=1000, sets maximum clock ticks the NIC waits
  
• before updating send_consumer_index, default: 0
  
• 
  
• 
  
• Load Generator sysconfigtab tuning:
  
• proc: max-proc-per-user=1024, maxusers=1024,
  
• max-threads-per-user=1024
  
• socket: somaxconn=32765, sominconn=32765
  
• inet: ipport_userreserved=62190
  

Network Notes

• Network Notes...
  
• (4) ALTEON ACEswitch 180 Gigabit Ethernet Switch
  
• Each ALTEON ACEswitch 180 is a virtual LAN
  
• Each virtual LAN connects one card in the SUT to 4 clients
  
• MTU size = 9000 bytes
  

Test Run Details