SPECweb99 Result

Dell:	PowerEdge 4600
Microsoft:	IIS 5.0 and SWC 3.0

SPECweb99 = 4615

Performance

Iteration

Conforming Simultaneous Connections

1	4610
2	4615
3	4615
Median	4615

Configuration

Availability Dates
All Hardware	Feb-2002
HTTP Software	May-2001
Operating System	Feb-2000
Supplemental System	Jun-2002

Hardware

Vendor Dell

Model PowerEdge 4600

Processor 2.20 GHz Pentium 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 10 18GB 15KRPM drives

Disk Controllers Onboard Adaptec 7899

Other Hardware 2 Dell PowerConnect 5012
4 Nortel ACEswitch 180

Software

Operating System Windows 2000 Advanced Server

File System NTFS

Other Software SP2, Intel 6.2, Q298896 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	Jun-2002
Tested By	Dell
SPEC License	55

Network

# of Controllers 4

Network Controllers Intel PRO/1000 XT

# 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 20

Model Dell Precision 410

Processor 450MHz Pentium II

# of Processors 2

Memory 128MB

Network Controller 3Com 3C985B-SX

Operating System Windows 2000 Professional SP2

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 4615

Fileset Size (MB) 14888.88

Notes

SUT Notes

1 disk for OS, 1 disk for logs, 8 disk software RAID0 stripe for file set

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
3 NIC IRQs bound to CPU 1,2,3 via IntFiltr (4th NIC unbound)
Primary, secondary SCSI IRQs bound to CPU 0, 1 respectively
Intel NIC settings:
- NumTxDescriptors=4096, number of descriptors to send packets, default 256.
- TcpSegmentation=1, enables TCP segmentation offload, default 0
- NumCoalesceBuffers=768, number of coalesce buffers for transmit acceleration, default 128
- FlowControl=0, disables flow control, default 1
- ChecksumRxTcp=1, offloads RX checksums to NIC, default 0

HTTP Software Notes

- SWC\Parameters\LogDrive=E, puts log file on E: 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=1024, default not set
- CGI Gateway buffers=64, default not set
- CGI Gateway bound to CPU 0 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	4610	99.9%	13164.3	349.2	2.85	341.5
2	4615	100.0%	13195.4	348.4	2.86	342.4
3	4615	100.0%	13112.6	350.6	2.84	340.1

Wed Apr 13 16:35:11 2005

First published at SPEC.org on 09-Jul-2002