SPECweb99 Result

Dell:	PowerEdge 2650
Microsoft:	IIS 5.0 and SWC 3.0

SPECweb99 = 5698

Performance

Iteration

Conforming Simultaneous Connections

1	5570
2	5700
3	5698
Median	5698

Configuration

Availability Dates
All Hardware	May-2003
HTTP Software	May-2001
Operating System	Feb-2000
Supplemental System	Mar-2003

Hardware

Vendor Dell

Model PowerEdge 2650

Processor 3.06 GHz Intel Xeon

# Processors 2 cores, 2 chips, 1 core/chip (Hyper-Threading enabled)

Primary Cache 12KBI+8KBD on chip

Secondary Cache 512KB ATC

Other Cache None

Memory 8 GB

Disk Subsystem 5 36GB 15KRPM drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 4 Dell PowerConnect 5012

Software

Operating System Windows 2000 Advanced Server

File System NTFS

Other Software SP2, Intel 7.0.30 driver
Q298896 TCP/IP and NDIS hotfix

HTTP Software

Vendor Microsoft

HTTP Software IIS 5.0 and SWC 3.0

API TWC 3.0

Server Cache None

Log Mode Binary CLF

Test Sponsor
Test Date	Apr-2003
Tested By	Dell
SPEC License	55

Network

# of Controllers 2

Network Controllers Intel PRO/1000 MT Dual Port Server Adapter

# of Nets 4

Type of Nets Gigabit Ethernet

Network Speed 1 Gb/s

MSL (sec) 30 (Non RFC1122)

Time-Wait (sec) 60 (Non RFC1122)

MTU 1500

Clients

# of Clients 15

Model Dell PowerEdge 1550

Processor 1.0GHz Pentium III

# of Processors 2

Memory 256MB

Network Controller Intel PRO/1000 XT

Operating System Windows XP Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 5700

Fileset Size (MB) 18358.56

Notes

SUT Notes

1 disk OS, 1 disk access log, 3 disk software RAID0 stripe for file set
"Sequential Memory Access" disabled in BIOS, default enabled

Operating System Notes

Tuning parameters:
- AFD\Parameters\TransmitWorker=32, adjusts system default thread, default 16
- Control\FileSystem\NtfsDisableLastAccessUpdate=1, prevents updating LastAccess time stamp on NTFS directories
- Control\Session Manager\Memory Management\LargeSystemCache=0, limits system cache, default 1
- Control\Session Manager\Memory Management\SystemPages=0xffffffff, sets system pages
- Tcpip\Parameters\DisableLargeSendOffload=0, enable large sends for TCP/IP
- Tcpip\Parameters\MaxFreeTWTcbs=1098000, sets maximum number of TIME_WAIT tcbs to 1,098,000
- Tcpip\Parameters\MaxHashTableSize=0x10000, sets TCB hash table size to 65,536 entries, default 512
- Tcpip\Parameters\MaxSendSegments=0x1000, max TCP segments sent consecutively to a destination, default 64
- Tcpip\Parameters\MaxUserPort=0xfffe, sets maximum open ports to 65534
- Tcpip\Parameters\NumTcbTablePartitions=32, sets number of independent TCB table segments, default 4
- Tcpip\Parameters\TcpTimedWaitDelay=60, sets TIME_WAIT parameter to 60 seconds (non-RFC 1122), default 240
- Tcpip\Parameters\TcpWindowSize=65535, sets TCP send\receive window size, default 8192
One NIC IRQ bound per logical CPU via IntFiltr, default unbound
Intel NIC settings:
- NumTxDescriptors=4096, number of transmit descriptors, default 256
- TcpSegmentation=1, enables TCP segmentation offload, default 0
- FlowControl=0, disables flow control, default 1

HTTP Software Notes

- SWC\Parameters\LogDrive=L, puts log file on L: drive
- SWC\Parameters\LogFileInitialSize=0xffffffff, sets initial log file size to 4 gigabytes
- SWC\Parameters\VirtualRootName=spec99, sets virtual directory name to spec99
- SWC\Parameters\VirtualRootPath=F:\wwwroot99, sets physical path where files are located
- SWC\Parameters\SmallCachingThreshold=50, max size for small files (bytes), default system-dependent
- SWC\Parameters\LargeCachingThreshold=1200000, max size for cached files (bytes), default system-dependent
- SWC\Parameters\SmallBufferSize=0x3a, memory for caching small files (MB), default system-dependent
- SWC\Parameters\LargeBufferSize=0x1b58, memory for caching large files (MB), default system-dependent
- SWC\Parameters\SwcLockedMemorySize=0x6c, size of locked memory for SWC ops (MB), default system-dependent
- TWC CAD buffers=1152, default not set
- CGI Gateway buffers=64, default not set
- CGI Gateway bound to first CPU via Task Manager, default last CPU

Client Notes

- Tcpip\Parameters\MaxUserPort=0xfffe, sets maximum open ports to 65534
- Tcpip\Parameters\TcpTimedWaitDelay=60, sets TIME_WAIT parameter to 60 seconds (non-RFC 1122), default 240
- Tcpip\Parameters\MaxFreeTWTcbs=100000, sets maximum number of TIME_WAIT tcbs to 100,000
- Tcpip\Parameters\TcpWindowSize=65535, sets TCP send\receive window size, default 8192

Other Notes

Tuning Disclosure: See above
Dynamic API: Dell-20001212-TWC.zip

Test Run Details

**Test results for each iteration (median is shaded)**
Iteration	Conforming Connections	Percent Conform	Throughput ops/sec	Response msec	ops/sec/ loadgen	kbit/ sec
1	5570	97.7%	15832.8	359.1	2.78	332.0
2	5700	100.0%	16207.3	350.7	2.84	339.9
3	5698	100.0%	16125.5	352.5	2.83	338.3

Wed Apr 13 16:35:13 2005

First published at SPEC.org on 10-Jun-2003