The fastest pc in world

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Aamir

Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

Doesn't matter. Its a moving target and will change by tomorrow.
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

The fastest....just a marketing tool. You do not need the fastest computer.
You are just duped into thinking you do.

Honu
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...


Ah, you're asking about the fastest "PC"? So define what are the
limitations in the definition of what hardware can be included in a
"PC". "Personal" all depends on what YOU think is personal. It hasn't
tied to the old IBM PC for a l-o-n-g time.

Looks like it's time for you to go to the library and check out the
Dummies series of books.

The world's fastest cars can only drive in a straight line and under
exacting road conditions (http://www.roadsters.com/750/#beyond, 766
mph). So just why would you care about a car that you cannot use?
Speed is worthless without utility and reliability.
 
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

i'm no hardware expert, so take this with a grain of salt, but what i
think is the critical element for speed is the memory, at least for the
so-called "processor intensive" application. the experts can correct me
if i'm wrong but from what i've read the cpu speed usually far exceeds its
data feed because of relatively slow memory. there are techniques to
improve memory throughput like dual channel & ddr2 (used in conjunction
with quad-pumped buses) but it's my understanding that these methods
aren't necessarily going to double the speed because there are
dependencies on where the data is physically located on the card. in
other words, you only get the speedup for a given access if the requested
data is distributed across two memory cards (for dual channel), or
across two chips within one card (for ddr2, assuming i understand this
correctly) and statistically this doesn't occur as often as desired (100%
would be the goal), although the actual percentage varies depending on the
particular application (or benchmark) being run. i believe what is needed
is true quad-pumped memory. i don't know if that exists yet and if not
what the hold up is on it, probably my next research project...
 
i'm no hardware expert, so take this with a grain of salt, but what i
think is the critical element for speed is the memory, at least for the
so-called "processor intensive" application. the experts can correct me
if i'm wrong but from what i've read the cpu speed usually far exceeds its
data feed because of relatively slow memory. there are techniques to
improve memory throughput like dual channel & ddr2 (used in conjunction
with quad-pumped buses) but it's my understanding that these methods
aren't necessarily going to double the speed because there are
dependencies on where the data is physically located on the card. in
other words, you only get the speedup for a given access if the requested
data is distributed across two memory cards (for dual channel), or
across two chips within one card (for ddr2, assuming i understand this
correctly) and statistically this doesn't occur as often as desired (100%
would be the goal), although the actual percentage varies depending on the
particular application (or benchmark) being run. i believe what is needed
is true quad-pumped memory. i don't know if that exists yet and if not
what the hold up is on it, probably my next research project...
Click to expand...

one more thing i should have mentioned is that ddr memory is already
double pumped so the issue is matching the performance of the quad-pumped
bus which is where the dual-channel & ddr2 come in to make up the
difference. that's my understanding of it and why i think quad-pumped
memory cards are the next logical step.
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

if dropped from a reasonable height, 32 feet per second.
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

If I get your meaning correctly, then the measure of speed is usually
FLOPS (see http://en.wikipedia.org/wiki/FLOPS) or in the Linux world you
could use BogoMip Seconds (see
http://www.unixguide.net/linux/faq/08.06.shtml)

But basically, generally "fastest" refers to processing speed and
therefore some permutation of instructions per second.

Alex
 
Anyone have any idea what is the standard for the fastest pc in the
world??
Click to expand...

Yes, you didn't see it coming and can't see it leave, never
even knew it existed because it was so fast.


i mean what makes them the fastest??
Click to expand...

Magic pixie dust.

TO be more serious, this is a silly question you ask.
Obviously the fastest is made by considering the
requirements of the use and paying a premium for highest
spec parts that modern manufacturering and design technology
can provide, in a configuration that keeps the bottlenecks
to the use the least impact possible.

Forget fastest, it's a silly concept as there is no real
need. Think "applicable to the job requirements". Either
it does the job acceptibly, or it doesn't. Acceptibility
also frequently considers what money or time cost there
would be to gain any further improvements. Even in the
fastest PC, it's design is governed by some engineer
deciding what the cost vs performance was for all the parts
used.
 
Aamir said:
Anyone have any idea what is the standard for the fastest pc in the
world??

i mean what makes them the fastest??
Click to expand...

Question you should ask your self is this, do you need the speed
and what is the shelf life of a pc at those high speeds

I would gadge speed on fsb
 
Darklight said:
Question you should ask your self is this, do you need the speed
and what is the shelf life of a pc at those high speeds

I would gadge speed on fsb
Click to expand...

What's that got to do with the price of fish???

It all boils down to the number of concurrent operations the CPU(s) can push
through per second. This is limited by (in the CPU) number of parallel
ALU's/L1 and L2 cache size/clock rate and also how well the algorithm to be
processed is structured to maximize cache hits and minimize external memory
accesses. It will then be limited by external memory speed/latency and
lastly by hard disk transfer speed/latency. - that is just for raw maths
crunching throughput.

On top of that the situation is made more complex if you are talking high
speed 3D graphical output (games machine) and benchmarks for the GPU then
need to be factored in.

The OS also will influence the overall machine performance measured by how
much system resource it has to steal to make it feel comfortable and pretty.

Also removing virus scanners/software firewalls and all the other crud you
need to surf on the interweb will vastly improve overall throughput.

Icky
 
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