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I think you're overthinking it by a lot. It should be very possible to raise the hashrate by a lot on newer cards with current drivers, beyond what I did, which worked on older ones.

It's very doable.

I thank you for this, but really, go ahead and use them - I released my latest bins at the time because I want people to. Better everyone use them than the theives profit.

FRESH should be able to be improved 35% - 40%.

All right, I'll look into the different algos and get back to you.

Yeah, AMD only - and it depends on the algorithm, what it's made up of, and how bad the SPH implementation was on GPU, so it'd have to be taken case by case.

I still have a better x13 and x15, I can integrate my work into FRESH, and really, any algo that uses shit from X11, which is a LOT. NIST5 is another. I wouldn't need very long, but I don't know what the gains would be.

Have you checked out my bins? Me and djm don't have to work together, if he's busy...

I'm here. Been here.

A special thank you to whoever sent me 10 DRK.

Funny edit :P

Already did it; see reddit.

And now you can get binaries for Tahiti and Hawaii of my code, since it's been stolen from me. If you're going to get it, you may as well get it from the author: https://ottrbutt.com/miner/wolf-x11Tahitigw64l8ku0.bin https://ottrbutt.com/miner/wolf-x11Hawaiigw64l8ku0.bin

Those would be mine; yes, it's real. A friend of mine begged me to work on X11, because he was getting ready to shut down his GPUs, and I kept saying no, until I finally said I'd look into it.

Opportunities for improvements in the current implementations of these hashes are countless. I'll talk about Skein here - it can be improved, even though it's not particularly slow. The PHM implementation of Skein just barely fits in the code cache, at 30,808 bytes. This is good, but it's too...

You can take them one at a time - it's the easiest way. I did it by making changes to one and hashing, if you get HW errors, you fucked up. I don't know what incentives there are for improving them; as for it being worth my time, Ignition75 is working on that, he said. As for glaring security...

Yes, but that isn't really due to bad coding. Not that SIMD was done well, or anywhere near, but it has a fucked design, and it's gonna be really hard to do properly on GPU. No one-way implementation is gonna cut it - you'll spill registers to global memory, which is dead slow. It needs to be...

I want to get a conversation going among devs all about X11 - the different hash functions, implementation issues, security, anything. Since I'm starting the thread, and have been spending far too much time with X11, I'll start with examining one of the very few algorithms in X11 whose GPU...

Me? Dude, I am probably not yet capable of properly writing X11 - I've done it decently, that's all. A properly written X11 miner wouldn't have all the hashes calculated by a single thread, Lord knows at least SIMD is horrible on GPU when done this way. While my kernels depend a lot less memory...

That's the kind of thinking that got the current AMD X11 miner so shitty. You have to code to the strengths of your platform, not shoehorn code that's good on one platform onto another and make it run. CPU code rammed onto AMD GCN devices is pretty much darkcoin-mod in a nutshell. Anyways, I...