64bit vs 32bit

[ripken204]

ya ur right about the speed not being the same, in my laptop i have an athlon xp mobile 1600 and it is only operating at 1.4 ghz

 

[nein]

See the stupid thing is, you'll never take full advantage of a 64 bit processor unless youre using either Irix or Red Hat Linux Server 64-bit edition. Windows may eventually be able to do it, but the current proposed 64 bit windows A. looks like crap and B. runs like crap. My personal opinion is that you don't need a 64 bit, because on a 32 bit os, it can only run 32 bits. It's the same principal as with RAM, if you have 1 512 stick that runs at 400 MHZ, and another 512 stick that only runs at 333 MHZ, then the max operating speed of the two is 333 MHZ. Also, a 1.5 GHZ athlon, no matter what anyone tells you, is NOT the same as a 3.0 GHZ Intel. I used to use an AMD Athlon XP 2800+ that was supposedly equivalent to a 2.8 ghz Intel, and it most certainly was not. Bottom line, don't go 64 bit if you're counting on double performance, but if it's for a server, go for it.

Uh... that's because you're born and raised on Intel's Time-share/Symmetric Processing which can do only one thing at a time.

"if you have 1 512 stick that runs at 400 MHZ, and another 512 stick that only runs at 333 MHZ, then the max operating speed of the two is 333 MHZ." <--- That's the Symmetric Processing, the one thing at a time at work. For Distributed Processing, real Point-2-Point access it would be the sum of both... which equals 733MHz ala RAID 0, KaZaa, BitTorrents (Simultaneous multiple data streams from multiple data sources to multiple destinations)... not yet even including more advance aggregate parallelism.

Switches can fuction as hubs in handling only one data stream at a time. Hubs can't be switches, they can't do more than one data stream at a time.

"Also, a 1.5 GHZ athlon, no matter what anyone tells you, is NOT the same as a 3.0 GHZ Intel" <--- That's the ALMOST full Distributed Processing version, the K7s Athlon still do partial Symmetric Processing, it required to be within 30% clock speed of P4s to be equal or better. For worst example - AMD's K7s on full VIA's Symmetric Processing mobo chipset (KT3xx) ran like a 3-legged dog. VIA's Engineers were just like you, they could only comprehend Symmetric Processing. They were born and raised by Intel, it was a very good thing they finally discovered and invented DualStream64 last year.

Even Microsoft was born and raised by Intel's Symmetric Processing, MS can't even get Distributed Processing straight yet.

 

[JarJarBinks]

think of it like this
you have a number, on a 32bit machine its 32 bit long,
on a 64bit machine its 64bits long reguardless of what
the number is.
On a 32 bit machine the # 1 looks like this :

00000000000000000000000000000001

On a 64 bit machine the #1 looks like this :

0000000000000000000000000000000000000000000000000000000000000001

64bit processing allows you to have larger numbers,
having large room for bit processing allows for calculations
to be done faster so that is what make 64 bit faster and worth
the money.

a 32bit 1.8Ghz is the same as a 64bit 1.8Ghz if both are
running 32bit applications.(that assuming of course they are
the same brand, and no othe rmodifications then making it handle 64bit)

 

[nein]

think of it like this
you have a number, on a 32bit machine its 32 bit long,
on a 64bit machine its 64bits long reguardless of what
the number is.
On a 32 bit machine the # 1 looks like this :

00000000000000000000000000000001 <--- K7 Series

00000000000000000000000000000001 00000000000000000000000000000001<--- Opteron 32-bit mode

On a 64 bit machine the #1 looks like this :

0000000000000000000000000000000000000000000000000000000000000001<--- Opteron 64-bit mode

64bit processing allows you to have larger numbers,
having large room for bit processing allows for calculations
to be done faster so that is what make 64 bit faster and worth
the money.

a 32bit 1.8Ghz is the same as a 64bit 1.8Ghz if both are
running 32bit applications.(that assuming of course they are
the same brand, and no othe rmodifications then making it handle 64bit)

See inserts above.

 

[sllewe]

Ok jar jar thanks, that made alot more sense. But i still fail to see the point of 64 bit CPUs. considering the PC world is made around 32bit, what is the point of going for 64 bit? To me its like buying off road tires, if you plan to drag race, I guess you do have the capability, but considering you never use it, it seems kinda pointless.

Maybe i need to be smacked buy one of you AMD freaks eh? :angel:


Sean

 

[nein]

Ok jar jar thanks, that made alot more sense. But i still fail to see the point of 64 bit CPUs. considering the PC world is made around 32bit, what is the point of going for 64 bit? To me its like buying off road tires, if you plan to drag race, I guess you do have the capability, but considering you never use it, it seems kinda pointless.

Maybe i need to be smacked buy one of you AMD freaks eh? :angel:


Sean

Currently you get it to do 2 32-bit number ones simultaneously instead of one 64-bit number one. Opterons Multi-Threaded real well in 32-bit mode.

K8s ==> 2 tasks in 32-bit mode (Multi-Tasking) or 1 task in 64-bit mode (Single-Tasking). The Pic below in-directly demonstrated K8s Multi-Tasking capability in 32-bit mode, all K8s can perform twice the number of tasks of the Pentium D 820 in the same amount of time period. Click on the pic for the article at Tech Report.