The News From Computex, Including Non-Rambus P4s 74
M-Doggy writes: "With the festivities at Computex over in Taipei bringing in more out-of-towners
than the Chinese New Year, a plethora of new product announcements and sneak peeks
have hit the show floor. I noticed that AnandTech already has two articles up
covering the action. The
first one covers what was seen on the floor, including the AMD 760, NVIDIA's
Crush chipset, and more. The
second one has some interesting information regarding the non-RAMBUS solutions
for the Pentium 4 and even includes some preliminary benchmarks. Both speak of
the incredible politics behind the show; politics that rival even the recent events
in the Senate." (Read below for another snippet on those non-Rambus P4s.)
And Tuzanor writes: "Yahoo is reporting that Intel is releasing the i845, the first P4 chipset that doesn't use 'fast but expensive' Rambus memory. Funny, the story says that they will be using the "current standard DRAM chips" but says nothing of DDR RAM."
DDR isn't that expensive these days... (Score:1)
Mind you, he was sensible and is running an Athlon anyway. Hey wouldn't that make a much better slogan than "Intel Inside".
reply: "don't worry mate, I've got an "Athlon Anyway
Matt B
(couldn't be arsed to dig out login details)
Re:It will be interesting to see... (Score:1)
DDR vs. Rambus performance. (Score:1)
Anand's benchmark result isnt suprising. The P4 *NEEDS* massive bandwidth to perform halfway-decently.
Most P4/Rambus PC600 show a fairly large performance decline compared with PC800.
The result show P4 not performing all that well with DDR memory -- which seems to be why Intel is pushing for faster DDR (PC2700 and PC3200).
DDR has about the same latency as SDRAM (slightly worse latency in some configurations), but twice the bandwidth. PC800 has about double DDR's bandwidth, but much greater latency -- at least partly because it's multiplexed and probably registered. Also, Rambus puts out enough heat to need a heat spreader -- a metal plate over the top of the chips.
OTOH, P4 systems, while not selling well due to the economy, are outselling Athlon/DDRs and P3/DDRs. The buzz is that DDR isnt profitable at this point. The next iteration of DDR will probably need a different form factor -- i.e. not compatible with current motherboards -- they've been talking about mini-DIMMs that are half as wide as current DIMMs, and use fewer chips.
Re:DDR vs. Rambus performance. (Score:1)
Re:Price Comparison of Rambus and SDR133 (Score:2)
Re:amd 760 boards are already available on the str (Score:1)
Actually, AMD 760-based boards have been available in upwards of a month already.
The 760MP boards are what you're reading about just coming out now, in beta, etc. I've had my EPOX 8K7A board for a few weeks now already.
Re:Nanya (Score:1)
You certainly are not confusing anything with water, the brand you're looking for is Naya [naya.com].
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Keep in mind the feature set of the Tyan board. (Score:3)
If memory serves, that board has 2 onboard SCSI controllers, 2 onboard ethernet controllers, and an onboard AGP graphics device. If you bought the MSI board, and then the seperate plug-in devices to bring it up to that functionality, it would come out to about the same price.
So, the Tyan board is priced reasonably given its feature set. Of course, if you don't need all those features, then the less expensive board makes more sense for you.
--Lenny
amd 760 boards are already available (correction) (Score:2)
Re:Stupid newbie RAM questions (Score:1)
___
SDRam price is wiling to a record low (Score:1)
Go to this page - http://www.ebns.com/printableArticle?doc_id=OEG20
128Mbit chips are selling for US$3.00 or lower in some market ! That means, a stick of 128MByte SDRam will only cost - to the manufacturer of the SDRam sticks - about USD 26 to priduce !
I foresee that in the coming months - One or perhaps two months - we will see the price drops being reflected in the CONSUMER market.
Memory Chips flooding the market (Score:1)
According to this report
http://www.ebns.com/printableArticle?doc_id=OEG20
chip vendors are having a 6 to 8 week supply of chip in stock, and they are NOT very happy about this.
So.... they flood the market with cut-throat price chips.
In some spot market, 128Mbit chips can be had lower than $3 each. That essentially means, to get a 1GBYTE supply of RAM, you multiply $3 by 64, that means, for a palty $192, you'll get yourself your 1GBYTE memory.
Even when you include the packaging, and stuffs, the price won't be going more than #220.
But you better get the chips now, as when the oversupply is over, the price will go up.
Re:Now it's a political issue (Score:2)
Re:Quite interesting..... (Score:3)
Faster than what? Sure, a dual-channel solution has more bandwidth than a single-channel (rah nvidia) DDR, but the latency sucks. This is why the benchmarks swing so wildly with an apps dependence on b/w vs latency. You can't replace one with the other, regardless of rambusinc hype.
Face it, today your bottleneck is the Video/Hard-drive (except for us using Ultra160 Scsi) and the bus to the outside world.
Sorry, but even with your scsi disk is still the biggest bottleneck (unless scsi somehow magically turns seek times into nanoseconds). I don't care how much data you can get me in a second -- if I (the cpu) have to wait ten million clock cycles before the first byte of data shows up, then I'm screwed.
Which I guess means I agree with you.
Re:Well well... (Score:2)
Re:What the hell are you smoking? (Score:1)
If they would put all that damned integrated motherboard crap at IRQ 16,17,18 we wouldnt have that trouble..... disable USB you say? ok... funny how the IRQ really isn't released.
the current PCI specifications are fine for consumer level junk... (and hell, they want us to only use USB anymore anyways...YUCK) but for anything that is professional grade or industrial grade... you cant have something wanting attention while using the high performace items.
(Funny, the Compaq ML530's bios will force all devices away from the IRQ used by the SCSI raid controller... They know what I learned... you cant sucessfully share IRQ's on high performance SCSI devices.)
Quite interesting..... (Score:5)
Face it, today your bottleneck is the Video/Hard-drive (except for us using Ultra160 Scsi) and the bus to the outside world. (4 100BaseTX cards on a PCI bus is not living up to it's potential)
I dont care about faster, Give me 32 IRQ'S, how about an expansion bus that doesn't suck? How about a bios that isnt a P.O.S. out of the box?
my biggest gripe is the fact that we have been forced to use 16 IRQ's for way too damned long, they should have expanded it when they intorduced the PCI bus, now we have to wait forever to have a couple of free IRQ's on a new motherboard... (asus mobo's take 15 irq's out of the box)
There was a nice turnaround in hardware 2 years ago, but it is heading back into that pit of crap that made the late 90's hell on hardware hackers.
Re:Well well... (Score:2)
From this point of view, SDRAM could help improve the P4's figures, since it has lower latency, thus branch mispredictions and random RAM accesses will be less penalized.
I'll wait and see.
rambus share price (Score:1)
Since I am now an expert in the stock market I can offer stock market advice to the
Re:Price Comparison of Rambus and SDR133 (Score:1)
F.O.Dobbs
57%, not double (Score:1)
DDR has about the same latency as SDRAM (slightly worse latency in some configurations), but twice the bandwidth.
SDR and DDR both take about six cycles to set up the transaction, then SDR can do one transfer per clock and DDR can do two per clock. Virtually all motherboards have a 64-bit wide memory bus, so a Pentium 3's 32 byte cache line requires four transfers, an Athlon's 64 byte cache line requires eight transfers and an Pentium 4's 128 byte cache line requires sixteen. So, each SDR cache fill on a Pentium 4 should require 22 cycles (6 setup + 16 transfer), while each DDR cache line fill should require 14 (6 setup + 8 transfer), an improvement of 57%.
Re:I like the Price Tag on 760MP (Score:2)
Rumour has it that there will be be a version without the two Ultra/160 SCSI controllers.
Re:amd 760 boards are already available on the str (Score:2)
I wonder how long it will be until places like VA Linux and Penguin Computers have dual-athlon rackmount servers and deskside workstations for sale? :-)
Good luck with VA Linux and AMD. As far as I can tell they are as intel-only as Dell. If you ask them publically about AMD you get tight-lipped "No Comment" comments.
Re:Nanya (Score:1)
You had bits? Why, in my day we only had zeros... none o' them fancy 'ones'! And we had to carry them by hand eight miles through the snow... up hill both ways! {shakes cane in the air}
Re:Nanya (Score:3)
Yeah well I remember paying over $80.00 for 8 *K* of memory. And data had to travel over the memory bus uphill both ways! You young whippersnappers!
IRQs? (Score:2)
If you are worried about interrupt chaining, then there still isn't much time lag there. Handling an interrupt is usually a matter of just determining if your device caused the interrupt, saving the state of the device and firing off a backgroud operation to actually deal with the data. The only delay is running down the drivers chained off the interrupt to find the one that actually caused it - usually a matter of each one simply checking a single PCI register (ie 20 clocks).
Face it, the 'shared IRQ' is simply a non-issue any more (unless you have shitty drivers written by someone who learned to code in GW-BASIC and never read a design manual). Most RISC machines work happily with very few lines and the "16 Interrupts" idea is what is supported by the APIC and not the CPU anyhow, so get over it.
Re:Stupid newbie RAM questions (Score:2)
ASUS is a good brand. I've had a number of them and they've always been rock solid with heaps of good features. They aren't the cheapest, but IMHO they are worth it.
Nah - Shared Ints are fine (Score:2)
Most video capture problems are caused by disk latency or hitting a page fault at the wrong time, not interrupt latency. The average interrupt latency on most systems in somewhere under 1ms - if you are capturing at more than that rate then I suggest you need dedicated hardware. What model SCSI controller are you using? In many cases IDE is actually better value than SCSI - you can capture easily to an IDE drive at ATA/33 or better.
If you really want to know the largest cause of bottlenecks then I suggest you look at register spilling on the CPU. The x86 is horribly register starved and therefore hits the cache a LOT. If that's not where you want to look, check out things like the actual transfer rate to your drives, where the CPU time is going (system or user space), how loaded your I/O busses are, what bandwidth you have between North and South bridges etc. Shared interrupts really haven't been a problem for a long time, especially on "proper" operating systems like Linux.
Re:Now it's a political issue (Score:1)
I'm still holding out on the Pentium 4 solution until Northwood (ie: Pentium 4 in 0.13 micron and new packaging) proves itself and there is enough applications/server services that are optimized for the P4. Unfortunately, I'm stuck with a dual-channel Rambus setup at work
So far, I'm relatively impress with the nVidia chipset and hope that it will help increase the acceptance of the AMD Athlon/Palimino processors.
Re:I like the Price Tag on 760MP (Score:1)
It's also not really cheap to make 6 or 8 layer motherboards that are as large as the Tyan motherboard... the number of traces on the motherboard is also quite mind-boggling since you need a lot more traces to connect two processors using the EV6 bus than Intel's GTL+/AGTL+ bus scheme.
Re:I like the Price Tag on 760MP (Score:1)
Re:It will be interesting to see... (Score:1)
I like the Price Tag on 760MP (Score:1)
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microsoft, it's what's for dinner
bq--3b7y4vyll6xi5x2rnrj7q.com
Stupid newbie RAM questions (Score:2)
Also, my friend recommended that I get an ASUS mobo. Was he right that this brand offers good price/performance?
As is probably obvious, I don't know jack about hardware. Any pointers about the above stuff would be greatly appreciated.
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What the hell are you smoking? (Score:2)
This says two things 1) you don't understand what IRQ sharing/reentrant drivers are all about (which are NOT possible on the ISA bus, but are on the PCI bus/AGP port), and 2) that you seem to think you need to spend time configuring a PnP system. Don't try to configure a PCI system to force certain IRQs to certain devices, it won't work -- they do not need human intervention. You are obviously still scarred by the 1996 PnP implementations of ISA and OSes which are not samrt about resource allocation.
I have yet to see a modern system require more IRQs than it has because every modern PCI device can share them. I have yet to see a modern system require manual IRQ assignment to devices.
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Re:Nanya -- seems all right. (Score:1)
It didn't suck. It doesn't suck. I bought it when I lived in England, shipped it over and it's still serving up pages in Canada now.
Then again, I don't have a Gig of RAM, so I can't tell you how well it would scale...
From the ip-weenies dept: (Score:3)
In further news, Rambus, facing gallons of red ink in the 2nd quarter, have laid off 99% of their engineers. When asked for a reason for this perplexing move a Rambus spokesman stated, "The engineers were the cause of the whole problem! If we did not have to pay their salaries, we would all be millionaires! But now that Intel has violated our intellectual property by using DDR ram, we really need to tighten up and get to work." When then asked why Rambus kept their two lowest paid engineers the response was, "Well, we needed to keep them around in case one of our 500 lawyers has another annoying technical question. I hate those."
Re:Price Comparison of Rambus and SDR133 (Score:1)
But hey, if you're running a cheap MySQL server and just want bucketloads of RAM, go ahead with the cheap stuff. MySQL is more likely to fail before the hardware will anyway.
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Re:Nanya (Score:1)
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Nanya (Score:2)
And no, I'm not getting it confused with the spring water. (Hungry for swap, thirsty for Nanya?)
PC RAM has gotten just as cheap as CPU cycles and IDE disks, it seems. This is of course due the the new market for DDR RAM and RAMBUS, but even DDR RAM is remarkably inexpensive. I hate to be one of those "Back in the day..." guys, but back in the day when I bought my first RAM upgrade for a PC, I payed more for 8MB than I would pay for 512MB today. Now that's fucking progress, mates.
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Re:I like the Price Tag on 760MP (Score:2)
But make sure that you're buying good integrated components, since you'll be keeping them for a while. Like the Intel STL2 (a dual-PIII board), which retails for about $600 but includes an Adaptec U160 controller, ATI video, and the oh-so-sexy Intel PRO 10/100 NIC. You may be able to do as well for less, but please research -- one "simiarly spec'ed" ASUS board does indeed include a SCSI controller, but it's a no-name SCSI2 controller, for fuck's sake.
$600 is very reasonable for a the first-available SMP Athlon board. People will pay for this board, trust me -- especially when they realize that they'll be saving major dough on higher-performing CPUs.
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d'oh! forgot the 'mp', but it is the dual cpu mb (Score:1)
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News for geeks in Austin: www.geekaustin.org [geekaustin.org]
amd 760 boards are already available on the street (Score:3)
Seems the 760 chipset is already available on the street: ugly pricewatch.com search query for the Tyan S2462 [pricewatch.com]. Price is about 580 give or take 20 it seems. (Of those shops I've actually directly dealt with essencom.com a few times; they seem to be a nice, reputable shop.)
(This suprised me as I thought what I've been seeing around the past few days were just beta boards.)
I wonder how long it will be until places like VA Linux and Penguin Computers have dual-athlon rackmount servers and deskside workstations for sale? :-)
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News for geeks in Austin: www.geekaustin.org [geekaustin.org]
Re:Now it's a political issue (Score:1)
Then again, maybe that's just FUD. Tit for tat then, eh Mr Litigious Rambus Bastard.
Re:rambus share price (Score:1)
Re:amd 760 boards are already available on the str (Score:1)
Actually, AMD 760-based boards have been available in upwards of a month already.
Over two months actually:
uptime
9:59pm up 65 days, 3:32, 24 users, load average: 2.06, 2.06, 2.01
This machine has Asus A7M266 motherboard (which works very nicely ;) The 760MP boards are certainly interesting, but I guess that a single-CPU TB is enough for me right now.
Re:Nanya (Score:1)
Just the other day I found a site through Pricewatch [pricewatch.com] that purported to be selling Nanya PC2100 DDR memory with CAS latency of 2 for CHEAP (like $60 for 256MB). It's hard to believe, so maybe it's not legit... but I did a little searching on Nanya, and an article I found indicated that they want to have some double-digit percentage of the DDR market going forward.
Does this suggest low-end or high-end? Dunno... but thought I'd mention it.
- Leomania
Re:DDR isn't that expensive these days... (Score:2)
Well, I've got an Intel Outside [ucam.org].
Seriously though, do we really need a cheesy slogan for AMD processors? People who choose AMD over Intel have more sensible reasons. IMHO even when AMD wasn't a serious competitor, I found the 'intel inside' logo as repulsive as *cringes* 'Designed for Windows 95'.
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Re:That is INCORRECT (Score:1)
With my previous celeron 300 at 450, i ran some old pre-pc66 class ram at 100, it worked fine. Nothing like buying quality ram in the first place. Got many years out of that ram.
Re:Well well... (Score:1)
steve
News from Taipei (Score:1)
Re:DDR isn't that expensive these days... (Score:3)
Re:Well well... (Score:2)
Sure its better then earlier, but the T-bird and DDR still kicks butt :)
Looks like Intel woke up! (Score:1)
WTG Intel on sobering up! Now pass dat bong around!
Re:Intel does not do "politics", it abuses its pow (Score:1)
Re:What Rambus promised VS delivered (Score:2)
Those who ride the cutting edge often get cut by it.
Re:It will be interesting to see... (Score:1)
I can no longer justify a single-processor solution, the disadvantages of UP far outweigh the disadvantages of SMP (of which there are few, cost and compatability are the biggest ones)
Re:Now it's a political issue (Score:1)
i815 has a one way asynch. memory controller, i.e. supports a 133MHz front side bus processor with 100MHz PC100 memory.
440BX has a synch. memory controller.
What does this mean?
Synch. memory controllers can be made with fewer gates in series, i.e. the memory controller has less latency.
That account for most of the 0 to 5% difference in performance.
Re:What the hell are you smoking? (Score:1)
The reality is that *some* (possibly most) PCI devices..
a) from a hardware prespective don't like to share IRQ's
b) from a software prespective have crappy drivers that don't (for some devices can't) follow the specification close enough.
For any time critical application (video editing, server type stuff) shared IRQs can be a problem
Now it's a political issue (Score:2)
I wouldn't go near a RDRAM based system but now that they have a viable platform for their product they'll never see the market penetration they now need. If I didn't hate Rambus so much I woulda considered an i850 RDRAM.
Anyone agree/disagree?
But what does it really mean? (Score:2)
Perhaps I'm wrong, but I was recently pricing computers over at Gateway, since I got my son a copy of Black & White and I can't run it on any of my Linux boxen, so I decided to donate my old Win98 box to a friend and pick up WinME on a box that matches the demand specs of the game. And I looked at all the nice 1.1 GHz Intel chips and then saw that I could buy an 850 MHz AMD chip in a box for about $800 instead of shelling out $1600 for the "faster" Intel chip that I knew wasn't really faster.
So, what I'm saying is - so what? Until Intel finds some way to deliver faster Net access, it's all a bunch of hype about meaningless benchmarks that have no connection with my reality. And I'll still buy Linux for my servers, so I really just don't care.
But it is a cool trade show, I'll give you that.
Re:It will be interesting to see... (Score:1)
You mean for that slight gain in brand-name recognition? From everything I've read, heard, and seen, the fastest Athlon system on the market still equals or beats the fastest P4 system on the market in just about everything (leaving SMP machines out of the comparison, obviously). All Intel really has to offer over AMD now is the name, and even that is becoming fairly tarnished with all the recalls and such in the past few years.
Re:Nanya (Score:1)
Re:Price Comparison of Rambus and SDR133 (Score:1)
Re:rambus share price (Score:1)
It will be interesting to see... (Score:1)
On the horizon... (Score:1)
Two words: "Chubby Gooood!".
'slashdot, hardocp, tech-report, macslash, macsurfer, arstechnica --phew! no wonder I'm so damn tired all the time'
Re:It will be interesting to see... (Score:1)
Re:DDR isn't that expensive these days... (Score:1)
And... (Score:1)
Well well... (Score:2)
I wouldn't touch Rambus with a 20 ft pole. Is it me, or do we always have to wait for the second generation of the Intel processor (ie P4 Northwood, P3 Cumine) before we even get remotely what we want?
People aren't demanding Rambus. They want something that's worth the cost!
Re:SDRam price is wiling to a record low (Score:1)
Then again, knowing Aramark, they would at least quadruple the price of it just to make a profit. . .
Price Comparison of Rambus and SDR133 (Score:4)
Rambus - 64mb stick - $37
Sdram 133 - 64 mb stick - $9
Hmmm, that's odd, it would seem that it's nearly four times as much. And to check to make sure that it is a geometic expression. .
Rambus - 128 mb stick - $59
Sdram 133 - 128 mb stick - $15
So what do we learn from this class? Essentially that we are going to be able to have a lot more more memory running in our P4's
Re:Intel does not do "politics", it abuses its pow (Score:1)