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Author Topic: AMD Mem Tweak - Read/modify mem timings on the fly - [Vega Friendly] [Win/Linux]  (Read 11630 times)
Eliovp
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March 22, 2019, 11:48:49 PM
Last edit: April 22, 2019, 08:22:07 PM by Eliovp
Merited by rednoW (25), Claymore (20), Bojcha (18), jstefanop (10), doktor83 (10), dagarair (10), frodocooper (7), deadsix (6), kingcolex (5), chup (5), herrdrone (5), cudapop (5), pbfarmer (2), vapourminer (1), P00P135 (1), madnessteat (1), PIOUPIOU99 (1), Ryzen2700x (1), RuMiner (1), Zorg33 (1), todxx (1)
 #1

Hey all,

It's been a while since i've been active here, that however doesn't mean that i wasn't active behind the scenes Wink

I have done a lot of debating with myself whether i would share this.
Well, i decided to do so and on top of that, open source it.

What is this?

Well, with this tool, you are able to change memory timings on the fly.
Yes, you read that correct, you can modify almost any value while the GPU is running.
(kind of comparable to the ETH Pill but open source and without forgetting to mention the person who figured out the huge speed increase in the first place Wink)

Some examples from users what this tool is capable of from users: (this might not be ideal for your own GPU's)

N2DCRYPT
todxx
GKumaran
GKumaran
rednoW
rednoW
rednoW
heavyarms1912
Lexele
kibatronic
pbfarmer
Mashy81
Anwil

Video From Buriedone


Current support:
- AMD GPU's with GDDR5, HBM(Later) and HBM2 memory. (check code for more details)
- Linux only
- Windows supported

Link: Github

Check Readme for some additional info and how to build.

Tips
BTC: 3FEMi7FxD6dTKyhmvd3pRBPFBn3DuPmbvd
ETH: 0x8C77C212da3e12cad1AfB8824CF74b1CC04d2F7C
XMR: 49qsZpFA79B85a8UeNNg6sgHzJrrrCQwLa8vUb5s5PG14aNKK1kKZgT2fQ87CWFvWCA135WDos6odYQ UER6XKhfWPEKe8kv

In the unlikely event of not owning either BTC, ETH or XMR and you do want to be an amazing person and tip, shapeshift, changelly, simpleswap, ... are great ways to solve that "issue" ;-)



Enjoy and have fun tweaking! Smiley



Edit: As of now, Winbldows Support  Shocked

Cheerio!

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jstefanop
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March 23, 2019, 01:36:43 AM
 #2

I commend you for open sourcing this...good to see other like minded people still around here  Wink

What are you getting on Vega VII, im sure over 100MH is easily achievable with timing changes.

This might entice me to play around with GPUs again Cheesy

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FutureBit Moonlander 2 USB Scrypt Stick Miner: https://bitcointalk.org/index.php?topic=2125643.0
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March 23, 2019, 02:50:33 AM
 #3

Hello, nice job!

What about vega56`s timings?
FloppyPurpleGherkin
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March 23, 2019, 06:44:10 AM
 #4

Thanks for sharing.
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March 23, 2019, 07:47:44 AM
 #5

Linux only ((
Eliovp
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Huh?


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March 23, 2019, 09:25:00 AM
 #6

I commend you for open sourcing this...good to see other like minded people still around here  Wink

What are you getting on Vega VII, im sure over 100MH is easily achievable with timing changes.

This might entice me to play around with GPUs again Cheesy

That's for you to figure out what's possible ;-)
The options are there to achieve better results, just gotta find them.
I hope this could be a community effort to tweak and perhaps find new tricks ;-)

Hello, nice job!

What about vega56`s timings?


As i said above, the options are there Smiley


Thanks for sharing.

You're very welcome.

Linux only ((

That is correct.
Spread some Linux love.. no? :p

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March 23, 2019, 10:16:09 AM
 #7

is there a chance to get Windows build? Smiley
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March 23, 2019, 11:14:18 AM
 #8

Win bild ?

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P H O R E

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dagarair
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March 23, 2019, 11:34:06 AM
 #9

My boy lives!   Tongue

I knew it but most thought you ran off with the maid or something. 

4MW Data Center - I BUILT Tongue  - Full story below:
https://bitcointalk.org/index.php?topic=4789787.msg43227027#msg43227027
nordmann666
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March 23, 2019, 11:43:49 AM
 #10

any hints for linux noobs² how to add this to hiveOS?

i can build it but the requirements...i cant
Eliovp
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March 23, 2019, 12:04:38 PM
 #11

is there a chance to get Windows build? Smiley

Not from me, you are all of course open to build something yourself  Wink

Win bild ?

Read above.

My boy lives!   Tongue

I knew it but most thought you ran off with the maid or something. 

I did, then she ran off on me so i had to come back  Smiley

any hints for linux noobs² how to add this to hiveOS?

i can build it but the requirements...i cant

There's a build on github mate, Link

Cheers

Remember remember the 5th of November
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March 23, 2019, 12:54:29 PM
 #12

is there a chance to get Windows build? Smiley

Not from me, you are all of course open to build something yourself  Wink

Win bild ?

Read above.

My boy lives!   Tongue

I knew it but most thought you ran off with the maid or something.  

I did, then she ran off on me so i had to come back  Smiley

any hints for linux noobs² how to add this to hiveOS?

i can build it but the requirements...i cant

There's a build on github mate, Link

Cheers

You should discourage the windows user a bit more Tongue. Tell them they need a special kernel driver to map and work with physical memory, usually signed unless they tinker with disabling kernel signing. Luckily the pciutils package has a windows port, but other things aren't as easy.

They are lucky though, this is 2019 and those drivers exist.

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Iamtutut
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March 23, 2019, 12:56:57 PM
 #13

I hope someone can convert it for win 10. I have a single machine for mining, and I can't run it with Linux.
Remember remember the 5th of November
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March 23, 2019, 01:04:08 PM
 #14

I hope someone can convert it for win 10. I have a single machine for mining, and I can't run it with Linux.
Why not? Linux is great!

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nordmann666
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March 23, 2019, 01:14:33 PM
 #15

is there a chance to get Windows build? Smiley

Not from me, you are all of course open to build something yourself  Wink

Win bild ?

Read above.

My boy lives!   Tongue

I knew it but most thought you ran off with the maid or something. 

I did, then she ran off on me so i had to come back  Smiley

any hints for linux noobs² how to add this to hiveOS?

i can build it but the requirements...i cant

There's a build on github mate, Link

Cheers

ok...but...how to install  Huh  Grin
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March 23, 2019, 01:16:04 PM
 #16

I hope someone can convert it for win 10. I have a single machine for mining, and I can't run it with Linux.
Why not? Linux is great!

Family machine doing everything (videos, music, work, browsing, gaming, mining...), it has to stay on win10. I'm not the only user.
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March 23, 2019, 01:25:27 PM
 #17

Changed timings does not remain after reboot from linux to win?
Remember remember the 5th of November
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March 23, 2019, 02:11:40 PM
 #18

Changed timings does not remain after reboot from linux to win?
Probably? I mean, I'm not sure but it's not like you are flashing a different BIOS.

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March 23, 2019, 02:41:48 PM
 #19

@OP, can you do me a favor?

Can you cat /sys/kernel/debug/dri/%d/amdgpu_regs for me please? is amdgpu_regs static, or does it change?

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March 23, 2019, 03:17:44 PM
 #20

nice work, taking mining back to the old days of people helping each other, and not being a bunch of greedy bastards!  Kiss
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