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  quad 'pump' 
 
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varun rao Mar 05, 2005, 10:41am EST Reply - Quote - Report Abuse
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Edited: Mar 05, 2005, 10:42am EST

Replies: 3 - Views: 1366
With the onset of a new era in processor technology, I have a question reagarding the much hyped Intel quad pump. Intel is already talking about a 'pump' technology in their proposed optical silicon solutions, but this I understand is amplifying the LASER ie photons by raising the energy level of the 'released' photon through constant bombardment or something similar.... ie they intend to amplify the laser beam in stages.
But the older 'quad' pump is basically sending more instructions simultaneously... ie its cramming more data in existing channels at 100MHz itself...4 times the data would mean 400MHz...newer systems have 200MHz quad pumped channels...but I'm still not clear on this... does anyone know what exactly is 'quad' pump?.


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Supreet Virdi Mar 06, 2005, 07:35am EST Reply - Quote - Report Abuse
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Edited: Mar 06, 2005, 08:42am EST

 
>> Re: quad 'pump'
LOL i hope i'll able to explain in brief.

FSB, Front Side Bus refers to a bus where the data transmit and connected to various things in motherboard like to AGP Bus, Memory Bus etc., just like HTT in AMD 64 Processors i.e., 16x16 point to point link which is much better than FSB in Intel processor.

Intel FSB is actually 200MHZ, the functionality is just like normal DDR, where data reads on the both faling edges and rising edges of clock, but then its get quad pumped in the processor, (dont get confused) the data is transferring in DDR, but processor is somewhat making it to work as quad pump, means each clock carries data at 4 times.

Now this is where AMD is so strong, instead having Northbridge on motherboard, AGP bus, Memory bus, L2 etc., directly connected to HyperTransport from CPU, FOR EFFICIENT BANDWIDTH, that means a Processor will have to determine the memory bandwidth, which results in "Efficient Bandwidth". Becoz CPU is fastest thing in computer.

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varun rao Mar 06, 2005, 08:48am EST Reply - Quote - Report Abuse
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Edited: Mar 06, 2005, 08:50am EST

 
>> Re: quad 'pump'
if each clock is carrying 4 times the data.. that data obviously has to be transmitted via the FSB. Its not like the CPU waits while 4 times the data gets queued ...!! is it?.. cause that would be wasteful.

I know what the FSB is .... what I wanted to know is the actual electronic mechanism at IC level of 'quad' pumping.. cause the meaning as explained in their new technology is completely different.

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Supreet Virdi Mar 06, 2005, 09:42am EST Reply - Quote - Report Abuse
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Edited: Mar 06, 2005, 09:54am EST

 
>> Re: quad 'pump'
No No No., Intel QUAD Pumped means 4x times data per clock cycle, it will work same like normal DDR (I mean same as DDR works but), in quad pump data reads "twice" in rising signals and "twice" in falling signals of the clock.

Remember Intel Pipelines are also longer & narrower

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