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[AMD Dev Central] Bolt Architecture - Page 3

post #21 of 30
Thread Starter 
Quote:
Originally Posted by axipher View Post

Wait, if I'm reading that right, the CPU and GPU directly sharing the same memory space would be an insane increase in performance.

HSA's standard of shared memory opens up both ease in CPU + GPU coding (enabling more apps to more quickly be coded to leverage GPU processing power) and also opens up some new CPU + GPU task possibilities. There will be insane increases in performance.

Quote:
If it works, it would support Intel as well in the end. Solving the issue of non-homogenous processing is hard.... you are attempting abstract out different underlying hardware and architectures to present a single paradigm to developers.

So far it's not gonna happen, as Intel continues to have no indication that they will ever support HSA. They could, they just aren't. Their memory architectures would need to be redesigned in whole for it to work anyway, plus it may have to do with development of Skylake with the Larabee component.

post #22 of 30
Raytracing?
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post #23 of 30

Interesting.

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post #24 of 30
Have any direct comparisons of this architecture been reported anywhere, yet? 4 times performance improvement is exciting, but I haven't been able to find more than 50% improvement in the opencl execution capabilities of the 5800k apu.
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post #25 of 30
Quote:
Originally Posted by JunkoXan View Post

i wonder what this would do in a gaming aspect redface.gif
Not much. Maybe a bit of help for CPU-bound apps.
post #26 of 30
Quote:
Originally Posted by Vagrant Storm View Post

So they actually produced a compiler? This should be a fun weekend coming up...I never thought they actually produce anything but promises. Now we will need to see if this actually works and, if does, is actually better/easier than the Intel compiler.

There's been an AMD compiler for a while, but iirc it was pretty bad and the Intel one was faster...This however is completely different and assuming the HSA abilities are used correctly, it could end up being much faster than doing the equivalent task on an competing platform. (eg. Video transcoding)
Quote:
Originally Posted by mtcn77 View Post

Have any direct comparisons of this architecture been reported anywhere, yet? 4 times performance improvement is exciting, but I haven't been able to find more than 50% improvement in the opencl execution capabilities of the 5800k apu.

This is much more well done than OpenCL iirc, most of the performance difference between it and OpenCL would come from it being like C++ and thus easy to code for from what I know.
    
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post #27 of 30
Quote:
Originally Posted by zalbard View Post

Quote:
Originally Posted by JunkoXan View Post

i wonder what this would do in a gaming aspect redface.gif
Not much. Maybe a bit of help for CPU-bound apps.

then what about CPU based games? biggrin.gif
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post #28 of 30
Sent from my SCH-I535 using Tapatalk 2
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post #29 of 30
Quote:
Originally Posted by Vagrant Storm View Post

So they actually produced a compiler? This should be a fun weekend coming up...I never thought they actually produce anything but promises. Now we will need to see if this actually works and, if does, is actually better/easier than the Intel compiler.

There's the rub. I'm still calling vaporware until something of substance actually comes of it.
    
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post #30 of 30
Quote:
Originally Posted by Magariz View Post

While AMD might not have the performance crown currently it looks like they are just laying the foundation for something truly amazing. Whether or not it becomes a reality is another story but I am hoping for them.

Duckie : Could it be that the way things are done and coded currently is restricting the AMD cpus? That this could bring out more performance in their cpus and apus if it actually works?

AMD doesn't have the single processing crown, the problem lies with threading, most software, operating systems included.. since windows has such a large freaking market share, is not capable of multithreading well enough to take advantage of CPU threads. Obviously intel is the single threaded king when it comes to processing, but software needs to change, before any CPU can really take full advantage of multiple processors.
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