eachus

Robert Iredell Eachus

eachus’ Activity

Wed Sep 17

Sat Sep 13

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 11:21 AM

Re: AMD marketing getting better?

Fully enabled Tonga probably won't cut it based on R9 285 reviews.

What does fully enabled for Tonga mean? 4 Gig of 6 GHz DDR5 wouldn't require changing the chip any, and my guess is that when an R9 285X shows up, it will have [more]

Thu Sep 11

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 6:41 PM

Re: Zen

Should read "Capture desktop ARM before it happens."

Without that word, it doesn't make sense. Does it make sense with 'desktop' added? Sort of. If you follow AMD's thinking, there is no real need for x86/64* on the [more]

Wed Sep 10

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 12:35 AM

Re: Intel announces OpenCL 2.0 support

Technically you can develop and test code in OpenCL 2.0 on all Intel Core processors. In practice though, this means that some feature or feature supported natively on Core M is just not there on other CPUs.

As near as I can figure out from [more]

Mon Sep 8

NL

Boards Post

eachus posted to the Advanced Micro Devices board. 12:43 AM

R9 285

The Tonga GPU is now available and [H]ardOCP has a review: http://www.hardocp.com/article/2014/09/02/msi_radeon_r9_285_...

Is the [more]

Mon Aug 25

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 12:05 AM

Re: Tonga coming -- announcement 23 Aug?

The R9 285 based on Tonga chips is now official with a hard launch scheduled for Sept 2: [more]

Fri Aug 22

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Boards Post

eachus posted to the Advanced Micro Devices board. 11:32 PM

DDR4 is starting to show up--finally.

http://www.anandtech.com/show/8416/gskill-announces-ripjaws-...

Is DDR4 that big an improvement over DDR3? It's all in the timings. As you know, in [more]

Fri Aug 15

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 10:03 PM

Re: Kaveri OpenCL benchmark

More seriously, the fallback for lack of atomic operation support will be to use the current synchronization techniques. Remember that some system memory will not have atomic operation support. If you are writing drivers, you learn quickly to [more]

Tue Aug 12

NL

Boards Post

eachus posted to the Advanced Micro Devices board. 10:07 PM

Just a note on the R9 285

AMD is about to come out with a replacement for the GPU that started out life in the 7950 and 7970. There are indications that the new GPU will have a 256-bit wide memory interface, and 2 Gbytes of GDDR5 instead of the 384-bit wide 3 GByte memory in [more]

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 9:19 PM

Re: Intel to disable TSX instructions in Hashwell

It will be interesting to see what the eventual impact of this is. I see people talking about the AMD TLB bug, and thinking this is very different. It is actually very similar.* Also we will see if anyone comes up with a workaround as was done for [more]

Thu Aug 7

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 12:30 AM

Re: AMD Unleashes World's Most Powerful Server GPU

I wonder what it took to achieve that. It may just be binning and tuning of the manufacturing process. Or, maybe they ported the chip to GF and are getting better chips.

Call it cherry picking, or the learning curve, but probably a [more]

Fri Aug 1

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 5:04 PM

Re: AMD Announces the Availability of 64-bit ARM Opt

A big gamble for AMD, but I think it will be successful. Don't know if you remember years ago when the first Opterons came out. People were comparing it to Intel servers, but that wasn't the real target. The Opteron pretty much killed off the HP PA [more]

Mon Jul 28

NL

Boards Post

eachus replied to the Foolish Bridge Players board. 12:27 AM

Re: Double Trouble...

Did you open 1D or 3D, the text and bidding block disagree? If you opened 3D, there is a neat trick your partner can keep in mind. Bid 4C over the double. This says I would have bid diamonds but I want a club lead if you happen to be on lead against [more]

Mon Jul 21

NL

Boards Post

eachus replied to the Foolish Bridge Players board. 2:53 AM

Re: Poll: Bidding Question

<ii>That's pretty easy for North, since the Rule of Nine* requires take-out with North's void in diamonds! The only plausible bid with the North hand in that sequence would be 5C since the double implies lack of support for hearts.

I [more]

Sat Jul 19

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 8:19 AM

Re: Carizzo rumor: Stacked High Bandwidth Memory

Could you give a source (or your best estimate) for the latency of HBM stacked memory design? The latency will be less, due to the shorter path the electrons have to travel. Here's a link to a paper that says the latency won't be reduced as much [more]

Tue Jul 15

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 10:11 AM

Re: Carizzo rumor: Stacked High Bandwidth Memory

Interesting. AMD does have test APUs at 20nm. But it looks like there isn't enough power/clock improvements to make it worth the extra money. Apple is apparently taking lots of capacity at 20nm.

With stacked dice, AMD gets the [more]

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 9:48 AM

Re: Carizzo rumor: Stacked High Bandwidth Memory

Two comments. First, it makes no sense to have any L2 with this. Trust me. The issue is latency. I could give you the formula, but I don't want to scare anyone away. If main memory access is fast enough, L2 adds latency instead of reducing it. (And [more]

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 8:57 AM

Re: HSA is one step closer to being a reality

The HSA Radeon driver amounts to nearly 10,000 lines of new kernel code.

Ouch! Does that include comments and (standard) patch code which repeats any lines being deleted. Much larger Unix patches have been approved in the past, but [more]

NL

Boards Post

eachus replied to the Foolish Bridge Players board. 8:37 AM

Re: Poll: Bidding Question


West North East South
Pass 1H 2H (1) 3NT
Pass 4C Pass 6NT
Pass Pass Pass
I have partnerships where the 4C bid over 3NT would be Gerber. (Neither partner has bid clubs.) However, the real problem is that South was [more]

Fri Jul 11

NL

Boards Post

eachus replied to the Advanced Micro Devices board. 7:39 AM

Re: Beema in Lenovo

"Stand mode." I suppose this is a good choice for media consumption -- turn your PC into a little touchscreen TV.

Or a tool for sales presentations. For large groups, you still need a projector, but keys on your side, screen [more]

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