SPECweb99 Result

Advanced Micro Devices:	Tyan S2882/Opteron 250
Red Hat:	Red Hat Content Accelerator 3.2

SPECweb99 = 8120

Performance

Iteration

Conforming Simultaneous Connections

1	8120
2	8120
3	8119
Median	8120

Configuration

Availability Dates
All Hardware	May-2004
HTTP Software	Oct-2003
Operating System	Oct-2003
Supplemental System	Oct-2003

Hardware

Vendor Advanced Micro Devices

Model Tyan S2882/Opteron 250

Processor AMD Opteron 250, 2.4 GHz

# Processors 2 cores, 2 chips, 1 core/chip

Primary Cache 64KBI+64KBD

Secondary Cache 1MB on chip

Other Cache None

Memory 16 GB pc2700 DDR

Disk Subsystem 5 36GB Ultra320 SCSI drives

Disk Controllers LSI MegaRAID SCSI 320-2X

Other Hardware 4: Dell PowerConnect 5224

Software

Operating System Red Hat Enterprise Linux AS 3

File System ext2

Other Software None

HTTP Software

Vendor Red Hat

HTTP Software Red Hat Content Accelerator 3.2

API RHCA API

Server Cache None

Log Mode Binary CLF

Test Sponsor
Test Date	Apr-2004
Tested By	Advanced Micro Devices
SPEC License	49

Network

# of Controllers 4

Network Controllers Intel Pro/1000 MT Server Adapters

# of Nets 4

Type of Nets Gigabit Ethernet

Network Speed 1 Gb/s

MSL (sec) 30 (Non RFC1122)

Time-Wait (sec) (Non RFC1122)

MTU 1500

Clients

# of Clients 20

Model Tyan Tiger/AMD Athlon MP

Processor AMD Athlon MP 2000+

# of Processors 2

Memory 512MB

Network Controller Intel Pro1000XT

Operating System Windows 2000 Professional

Compiler Microsoft Visual C++ 6.0

Benchmark Configuration

Requested Connections 8120

Fileset Size (MB) 26103.12

Notes

SUT Notes

1 U320 15K 36GB disk for OS, 4 U320 15K 36G disks (RAID0 stripe) for web pages.
ACPI SRAT support disabled

Operating System Notes

ulimit -n 10000, sets number of open files, default 1024
Two NIC ports' IRQs bound per CPU; timer IRQ bound to CPU 0; LSI(web pages) IRQ bound to CPU1, default 0
Each NIC's TX queue length set to 20000 via ifconfig, default 100
File systems mounted with "noatime,nodiratime", no inode access time updating
net.ipv4.nonlocal_bind = 1, allows processes to bind to non-local IP adresses
net.ipv4.tcp_timestamps = 0, turns TCP timestamp support off, default on
net.ipv4.tcp_max_tw_buckets = 1500000, sets TCP time-wait buckets pool size, default 180000
net.ipv4.tcp_rmem = 30000000 30000000 30000000, sets min/default/max TCP read buffer, default 4096 87380 174760
net.ipv4.tcp_wmem = 30000000 30000000 30000000, sets min/pressure/max TCP write buffer, default 4096 16384 131072
net.ipv4.tcp_mem = 30000000 30000000 30000000, sets min/pressure/max TCP buffer space, default 31744 32256 32768
net.ipv4.tcp_window_scaling = 0, turn TCP window scaling support off, default on
net.core.hot_list_length = 5000, maximum number of skb-heads to be cached, default 128
net.core.rmem_max = 10000000, maximum receive socket buffer size, default 131071
net.core.wmem_max = 10000000, maximum send socket buffer size, default 131071
net.core.rmem_default = 10000000, default receive socket buffer size, default 65535
net.core.wmem_default = 10000000, default send socket buffer size, default 65535
net.core.optmem_max = 10000000, maximum amount of option memory buffers, default 10240
net.core.netdev_max_backlog = 300000, number of unprocessed input packets before kernel starts dropping them, default 300
sys.vm.dcache_priority = 1000000, lowers # entries zapped from dcache each iteration, default 0
Kernel Parameters:
idle=poll, idle threads pool reschedule flag, default is to use HLT instruction

HTTP Software Notes

Two networks bound per tux thread
net.tux.logging = 1, turns on logging of requests, default 0
net.tux.cgiroot = /, cgi root check, default /var/www/tux/cgiroot/
net.tux.cgi_uid = 99, uid 'nobody' for cgi scripts, default -1
net.tux.cgi_gid = 99, gid 'nobody' for cgi scripts, default -1
net.tux.noid = 1, suppress the Server id string, default 0
net.tux.generate_etags = 0, do not generate ETag header, default 1
net.tux.generate_last_mod = 0, do not generate Last-Modified header, default 0
net.tux.max_connect = 50000, maximum # of simultaneous connections, default 1000

Client Notes

Clients require a Tyan Tiger motherboard and an ATX case.
Case uses a 300W ATX power supply and a 40GB ATA 133 IDE hard drive.

Other Notes

Tuning Disclosure: See above.
Dynamic API: Dell-20031027-RHCA.tgz
Kernel config: AMD-20040501-config.tux

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	8120	100.0%	23855.6	340.4	2.94	350.2
2	8120	100.0%	23834.3	340.7	2.94	349.8
3	8119	100.0%	23805.5	341.1	2.93	349.7

Tue May 25 15:50:38 2004

First published at SPEC.org on 25-May-2004