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Where's the Bottleneck on Data Processing currently?

post #1 of 12
Thread Starter 
So we've gone through these cycles in PC technology over the past few years:

1) Speed up the CPU because it couldn't flop fast enough;
2) Increase RAM Size, because we couldn't do enough simultaneously;
3) RAID your HDDs, even early SSDs, because you couldn't actually read/write as fast as your processor would flop;

Now, with SSDs so fast these days, gobs of RAM being accepted on boards, and CPUs stacking 3D transistors... where is the data processing bottle neck in PC computers? Seeing people RAID 0 2x256GB Samsung 840 Pro drives just seems so unnecessarily fast, but we said that about 2.0 GHz processors, or 16GB of RAM, etc at one point too. CPUs, while they still get faster, seem to be more focused on efficiency and throughput than speed these days. So where's the current bottleneck - the component set that is most wise to spend a bit more money on in order to have a straight pipe flow of performance?

Side question: My understanding of SSDs is that the performance decently increases based on the size of the drive. Is it more worthwhile to purchase 1x512GB SSD, or RAID 0 2x256GB SSDs (lets say the combined cost is the same for both options)?
post #2 of 12
2 256gb drives out perform 1 512gb drive
post #3 of 12
a raid 5 or raid 6 with 8 SSDs or even WD Raptors, would blow the door of any raid 0, though raid 0 is pretty sad business to begin and is very volatile.

If you wanna eliminate current bottle necks you gotta have money. The up shot is if you buy a few spare drives or SSDs that 5 or 6 would last quite some time and be very fast, so long as you already know you need a hardware raid, like a 1gb Intel raid card.
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post #4 of 12
Quote:
Originally Posted by cdoublejj View Post

though raid 0 is pretty sad business to begin and is very volatile.
I NEVER had one BSOD or any other problem with my RAID field neither on 840 PRO neither on M4.
I dont understand your question?Did you ask what to buy to pass over bottleneck.If that is question,then SSD for sure.
About bottleneck after we buy SSD:This is only dream YET,what we need is eliminating sata connection and put somehow OS direct on memory.Storage would still be on SSDs.We already have consumers board capable to receive 64gb even 128gb,which is more then enough for windows,all programs that we need and three,four games.Only that we need is option we can make and save ramdisk in bios.We have sleep mode so we dont have to load image every time we start pc.
Buying bigger UPS can even resolve losing data.Then it will be possible to save image after power go down.
And please dont tell me RAM is expensive,people that are interested in bottlenecks,will give any amount of money for crash in it(bottleneck).I know i would give 500$ for 128gb of this speed.

Edited by Unit Igor - 4/13/13 at 12:22pm
post #5 of 12
I have had raid 0 fail while dusting the machine out. a software raid 0 that is and on top of that most people who run raid 0 are smart enough to make backs.
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post #6 of 12
Quote:
Originally Posted by cdoublejj View Post

I have had raid 0 fail while dusting the machine out. a software raid 0 that is and on top of that most people who run raid 0 are smart enough to make backs.
lol, how hard did you dust it? XD
post #7 of 12
Quote:
Originally Posted by surfsk8snow.jah View Post

So we've gone through these cycles in PC technology over the past few years:

1) Speed up the CPU because it couldn't flop fast enough;
2) Increase RAM Size, because we couldn't do enough simultaneously;
3) RAID your HDDs, even early SSDs, because you couldn't actually read/write as fast as your processor would flop;

Now, with SSDs so fast these days, gobs of RAM being accepted on boards, and CPUs stacking 3D transistors... where is the data processing bottle neck in PC computers? Seeing people RAID 0 2x256GB Samsung 840 Pro drives just seems so unnecessarily fast, but we said that about 2.0 GHz processors, or 16GB of RAM, etc at one point too. CPUs, while they still get faster, seem to be more focused on efficiency and throughput than speed these days. So where's the current bottleneck - the component set that is most wise to spend a bit more money on in order to have a straight pipe flow of performance?

Bottleneck really depends on what you're doing, no? Gaming - bump up the GPU, number crunching - bump up the CPU, etc. Having an SSD just eliminates bottleneck from HDDs. Average usage, though, I doubt a lot of people would require throughput levels that an 8-way striped RAID provides.
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post #8 of 12
SSDs are still the bottleneck. While significantly faster than a mechanical HDD, they still don't even scratch the surface of the raw speed and IOPS possible with say, DRAM. There do exist some nifty enterprise solutions, for thousands of dollars, of course.
Quote:
Originally Posted by cdoublejj View Post

I have had raid 0 fail while dusting the machine out. a software raid 0 that is and on top of that most people who run raid 0 are smart enough to make backs.
That's where RAID 1+0 comes in to play wink.gif
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post #9 of 12
Quote:
Originally Posted by W4nderer View Post

SSDs are still the bottleneck. While significantly faster than a mechanical HDD, they still don't even scratch the surface of the raw speed and IOPS possible with say, DRAM. There do exist some nifty enterprise solutions, for thousands of dollars, of course.

Sure SSDs are still a lot slower than RAM but as with HDDs, its primary purpose is mostly for long term storage. Data that needs to be processed is stored in cache and RAM so as long as you can fit the data you need to process in your RAM, you should be good.
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post #10 of 12
Thread Starter 
Thanks guys for the replies. I'm not really worried about RAID stability or versatility or integrity -- I've done my fair share of research and playing with RAID Arrays. I'm most particularly looking for where the bottleneck is in current PC setups. If our SSDs still can't read/write as fast as the CPU/GPU can process, then I guess that's the answer, and placing SSDs in RAID arrays is not in fact a waste, but efficient.

That's more of the focus I'm looking for here.

Thanks!
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