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Computer Organization
and Operating Systems
AMD Athlon SMP
Presented By: Vinay Hegde (12627174)
Aashish Gupta (12645406)
SMP with AthlonMP
What is SMP ?
Multiprocessing is the coordinated processing of
program by more than one computer processor to speed
up overall task.
There are 2 types of multiprocessing:
•Asymmetric: Specialized processors
Network I/O, Graphics/Video
•Symmetric: All processors are "equal"
Process threads may be scheduled on any
processor
In symmetric (or "tightly coupled") multiprocessing, the
processors share memory and the I/O bus or data path.
A single copy of the operating system is in charge of all the
processors.
SMP, also known as a "shared everything" system, does
not usually exceed 16 processors.
SMP in the past
Almost all Intel x86 processors from 80386 onwards were released with
multiprocessor support by motherboard manufacturers.
Intel has enjoyed a monopoly in the general desktop multiprocessing
market for more than a decade.
Even nowadays, dual Pentium 3 Coppermine multiprocessing is an
attractive solutions for PC enthusiasts.
Intel Pentium 4 Xeon CPUs are the latest high-end multiprocessing CPUs
from Intel.
How Intel Xeon SMP works?
AMD
AMD is currently Intel’s main rival in the processor arena.
AMD’s initial foray into the processor market with budget
alternates to Intel’s x86 CPUs such as the K5 and K6
processors had limited success.
But, with the introduction of the Athlon CPU, AMD had a
serious contender against Intel’s Pentium 3 CPUs.
In fact, it is because of AMD that Intel’s stronghold in the
CPU market was threatened, and Intel has resorted to
slashing prices on CPUs to meet AMD’s aggressive pricing.
Currently, AMD’s 1.4 GHz Athlon CPUs are comparable in
performance to Intel’s 1.8GHz Pentium 4, at a much lower
price.
AMD has been planning to make inroads into the
server/workstation market for some time. Only now, after
extensive research and testing have they released the much
lauded AMD Athlon MP and AMD760MP chipset for
multiprocessing systems.
Processor Comparison
AMD
Intel
Intended For
Duron
Celeron
Budget Users
Athlon
Pentium 3,
Pentium 4
Low to high-end
Multimedia PC’s
AthlonMP
Pentium 3 Xeon
Pentium 4 Xeon
Power Users
Workstations
Servers
How AMD SMP works
System Setup
Currently there is only one multiprocessor motherboard
available that supports Athlon MP, the Tyan Thunder K7.
It is based on the AMD760MP chipset and supports 2
processors.
The memory used has to be Registered ECC DDR SDRAM
Tyan Thunder K7 Motherboard
Features:
•Supports 2 Athlon MP CPUs
•2 Onboard 3Com LAN
controllers
•Onboard dual-channel Ultra 160
SCSI
•4 DIMM slots for a total of 3Gb
of DDR SDRAM
•5 64/32-bit 33Mhz PCI slots
•200/266 MHz Front-side Bus
184-pin 256Mb PC2100 Registered
ECC DDR SDRAM DIMM
ECC - Error Checking and Correction using extra parity
chip for data integrity and reliability.
Registered - Has registers for a delay cycle to allow for
stacked DIMMs greater than 256 Mb per DIMM for
improved stability.
Software Platforms
The most popular operating systems that support SMP are:
Linux and
Windows NT, Windows 2000
Windows 2000 Benchmarks
Linux Benchmark
Bottom Line
IWILL DX-400 SN motherboard
(http://accelenation.com/?doc=1&page=3)
+ 1 Gb 800 MHz RDRAM
(http://www.sharkyextreme.com/hardware/prices/weekly_me
mory/2.shtml)
+ 2 x 1.7 GHz Pentium 4 Xeon
(http://www.cnn.com/2001/TECH/industry/05/22/intel.xeon.i
dg/)
=US$2477
Tyan Thunder K7 motherboard
(http://www.sourcemagazine.com/csm/Forum3/HTM
L/000040.html)
+ 1Gb Registered ECC DDR SDRAM
(http://www.corsairmicro.com/main/howtobuy.htm)
+ 2 x 1.2GHz AMD Athlon MP
(http://www.sharkyextreme.com/hardware/weekly_c
pu/)
= US$1333
“When placed in the very environment of
our AnandTech Forums Database Server,
a Dual Intel Xeon 1.7GHz system was
outperformed by an identical Dual Athlon
MP 1.2GHz setup.”
-Anandtech