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General discussionAMD Ryzen releases today. Looks promising!(723 posts)(723 posts)
(723 posts)
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This is my favourite topic
Posted May 26, 2017
i can't find one early review of the ryzen 7 vs 7700k, the main thing about this one review was that the reviewer clocked both cpu's at the same speed and disabled half of the ryzen cores, to see the theoretical ipc performance on both games and the scientific stuff.

can someone find that review?
Posted May 26, 2017
Ryzen ok. But Vega? Vegaaaa!
I need a GPU, Gog dammit! >:(
Posted May 27, 2017
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apehater: i can't find one early review of the ryzen 7 vs 7700k, the main thing about this one review was that the reviewer clocked both cpu's at the same speed and disabled half of the ryzen cores, to see the theoretical ipc performance on both games and the scientific stuff.

can someone find that review?
Hmm. I seem to recall computerbench.de doing something along that lines, and since they are german they won't show up in english language searches either.

IPC delta was around about +5% to kaby/skylake, iirc, which results in a ~15% average difference in single core tasks when overclocking is taken into account.
Posted June 02, 2017
"AMD Ryzen 7 CPU Prices Drop By Up To 23% Ahead Of Threadripper Launch"

http://wccftech.com/amd-ryzen-7-prices-drop-ahead-of-threadripper-launch/

"The company took an axe to the price tags of each of its three Ryzen 7 1800X, 1700X and 1700 processors and slashed prices considerably.

The new lineup can now readily be found on amazon and newegg for as low as $455, $349 and $299 Respectively. Brand new 1800X can be found for as low as $429 on eBay and brand new 1700X boxes can be found for as low as $309. That’s a 14% price cut to the 1800X compared to its $499 launch MSRP and a whopping 23% price cut to the 1700X compared to its $399 launch MSRP."
Posted June 04, 2017
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apehater: i can't find one early review of the ryzen 7 vs 7700k, the main thing about this one review was that the reviewer clocked both cpu's at the same speed and disabled half of the ryzen cores, to see the theoretical ipc performance on both games and the scientific stuff.

can someone find that review?
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Phasmid: Hmm. I seem to recall computerbench.de doing something along that lines, and since they are german they won't show up in english language searches either.

IPC delta was around about +5% to kaby/skylake, iirc, which results in a ~15% average difference in single core tasks when overclocking is taken into account.
its called computerbase.de and no its not there. but i found that review:

its a review at zolkorn
Posted June 04, 2017
I seen way too much benchmarks showing way different tests. I can't trust anything but a lot of programs have been in favor of intel cpu cause the of the market and fall of bulldozer at the time but wait till the market changes and amd gains a decent percentage of the market again, and at that point we will see all these cores and threads take more effect.

it like gaming consoles with graphics but with pc cpu's. ugh all I know is I notice my 1800x wreck my 6700k at 4.5 at so much shit it's not even funny and I even gained an extra 34 fps on battlefield 1 with a gtx 1080 with this cpu so win win for me

and when I do 7zip opening up large files I do noticed super fast speeds compared to my 6700k.

at the end of the day I am a happy man and want a one of these! https://www.vat19.com/item/gummy-army-guys-bulk-bag
Post edited June 04, 2017 by UnrealQuakie
Posted June 04, 2017
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UnrealQuakie: I seen way too much benchmarks showing way different tests. I can't trust anything but a lot of programs have been in favor of intel cpu cause the of the market and fall of bulldozer at the time but wait till the market changes and amd gains a decent percentage of the market again, and at that point we will see all these cores and threads take more effect.

it like gaming consoles with graphics but with pc cpu's. ugh all I know is I notice my 1800x wreck my 6700k at 4.5 at so much shit it's not even funny and I even gained an extra 34 fps on battlefield 1 with a gtx 1080 with this cpu so win win for me

and when I do 7zip opening up large files I do noticed super fast speeds compared to my 6700k.

at the end of the day I am a happy man and want a one of these! https://www.vat19.com/item/gummy-army-guys-bulk-bag
Try the sugar free gummy bears. I've heard they go down well >;)

As for benchmarks, there's always some will use a benchmark that will heavily favour one cpu over another.
Check out Adoredtv on youtube, he tends to be less biassed, although admittedly he does sound like he favours AMD, but I think that's because he sees the actual advantages in price & content.

Another funny one was last night, Linus Tech Tips owner Linus having a rant about Intels X299, about how Intel are panicking & rushing out their multi-core cpus to the point that board manufacturers aren't being given time to add some of the things needed.

https://www.youtube.com/watch?v=TWFzWRoVNnE

I like that AMD are calling their new stuff X399, a cheeky shot at Intel ;)

Rumours have it that the Threadripper cpus are looking like they may be roughly half the price on Intels equivalent too.

Perhaps if Intel hadn't dragged their heals for all these years & making folk rely on old cpus, they could've released these long ago & customers would've been a lot happier.


https://www.reddit.com/r/Amd/comments/6f48n7/linus_amds_threadripper_has_intel_in_a_fullon/
Post edited June 04, 2017 by fishbaits
Posted June 04, 2017
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fishbaits: Perhaps if Intel hadn't dragged their heals for all these years & making folk rely on old cpus, they could've released these long ago & customers would've been a lot happier.
I'm no expert, but in the past Intel managed to get their act together and regain the advantage. It simply has a very large resource advantage. I'm all for competition, and I would like to see AMD closing the gap, but I have no delusion that AMD will be able to ride this wave for long.
It is nice to see Intel being taken by surprise and consumers being given a better choice, but I expect things going back to normal in two years.
Posted June 04, 2017
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fishbaits: Perhaps if Intel hadn't dragged their heals for all these years & making folk rely on old cpus, they could've released these long ago & customers would've been a lot happier.
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Gede: I'm no expert, but in the past Intel managed to get their act together and regain the advantage. It simply has a very large resource advantage. I'm all for competition, and I would like to see AMD closing the gap, but I have no delusion that AMD will be able to ride this wave for long.
It is nice to see Intel being taken by surprise and consumers being given a better choice, but I expect things going back to normal in two years.
Intel definitely have the advantage, they can afford to throw $billions at something & still not have to worry if it fails, whereas AMD are still small & much more of a risk.
Just like the AMD v Nvidia, competition is a must. Not only for progress, but for all customers too.

I do hope that AMD will keep at this for the long run, but time'll tell.
Posted June 04, 2017
would a r5 1400 @ 3,5 ghz bottleneck a rx 580 nitro 8gb in gaming?
Post edited June 04, 2017 by apehater
Posted June 05, 2017
Not seen much about the 1400, been keeping eyes on the higher end, but....

https://www.youtube.com/watch?v=gIIXIT1PB_8

That shows (for all but one game) the cpu/gpu usage.
Posted June 06, 2017
Looks like we may have a proper battle this time around \o/

Intel rushed out there "up to 18 cores" etc according to several board manufacturers, from late next year to this August release.

AMD have just fired shots back at them. With AMD already rumoured to be massively cheaper, they've also now said they'll release an 18c/36t processor after the current incoming ones are released.

This could be interesting battle on both fronts.
Posted June 06, 2017
Now what's this bug all about?

https://community.amd.com/thread/215773

I hope the fix doesn't require new silicon or a soft workaround that hurts performance :(
Posted June 06, 2017
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clarry: Now what's this bug all about?

https://community.amd.com/thread/215773

I hope the fix doesn't require new silicon or a soft workaround that hurts performance :(
It seems to be a bug connected with the gcc compiler which is basically used for everything under LInux. It will be fixed soon don't worry. New systems are always plagued by buggs, issues in the beginning.
Posted June 06, 2017
This is interesting.

https://www.phoronix.com/forums/forum/hardware/processors-memory/955368-some-ryzen-linux-users-are-facing-issues-with-heavy-compilation-loads?p=955498#post955498

Hi, Matt Dillon here. Yes, I did find what I believe to be a hardware issue with Ryzen related to concurrent operations. In a nutshell, for any given hyperthread pair, if one hyperthread is in a cpu-bound loop of any kind (can be in user mode), and the other hyperthread is returning from an interrupt via IRETQ, the hyperthread issuing the IRETQ can stall indefinitely until the other hyperthread with the cpu-bound loop pauses (aka HLT until next interrupt). After this situation occurs, the system appears to destabilize. The situation does not occur if the cpu-bound loop is on a different core than the core doing the IRETQ. The %rip the IRETQ returns to (e.g. userland %rip address) matters a *LOT*. The problem occurs more often with high %rip addresses such as near the top of the user stack, which is where DragonFly's signal trampoline traditionally resides. So a user program taking a signal on one thread while another thread is cpu-bound can cause this behavior. Changing the location of the signal trampoline makes it more difficult to reproduce the problem. I have not been able to completely mitigate it. When a cpu-thread stalls in this manner it appears to stall INSIDE the microcode for IRETQ. It doesn't make it to the return pc, and the cpu thread cannot take any IPIs or other hardware interrupts while in this state.

The bug is completely unrelated to overclocking. It is deterministically reproducable.

I sent a full test case off to AMD in April.

I should caution here that I only have ONE Ryzen system (1700X, Asus mobo), so its certainly possible that it is a bug in that system or a bug in DragonFly (though it seems unlikely given the particular hyperthread pairing characteristics of the bug). Only IRETQ seems to trigger it in the manner described above, which means that AMD can probably fix it with a microcode update.

-Matt
Problem is, some people on the amd community threads say that disabling SMT doesn't help.

I don't know if we're still looking at a bunch of unrelated bugs. Like all the reboots I had with arch? Doesn't seem to be a common problem, but I'm now seeing that some other people have reported similar issues (on arch and other systems). I'd love to know why fedora is rock solid.
Post edited June 06, 2017 by clarry
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This is my favourite topic
Community
General discussionAMD Ryzen releases today. Looks promising!(723 posts)(723 posts)
(723 posts)