How to improve Steem mining performance by testz

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steem · @testz · Apr 25 '16

$1,038.21

How to improve Steem mining performance

You can get **~10%** performance improvements if you recompile **fc** with **libgmp** support, using following instruction.

1. Install **libgmp** (requires only for compilation) using command: `sudo apt-get install libgmp-dev`
2. Make change to **fc** library described in this [commit](https://github.com/testzcrypto/fc/commit/3dd56e306aba9ffc34e4f973a7f7c8367c24e846) 
3. Reconfigure and recompile Steem as usual (**cmake .** & **make**)
4. Enjoy!

***Please post here how much performance boost you get.***

Feel free to share the link to this page. At this page I will publish updates and future optimizations if any.

If you found this information useful, any donations will be greatly appreciated. My **Steem** and **BitShares** account is [**testz**](https://steemit.com/@testz)

PS: For some non-modern systems you can get additional performance improvements by using compiler optimization options described in this [commit](https://github.com/testzcrypto/fc/commit/8a7eb9e3b795821b83757c9eeacf48b1cb9c52e3)

👍 berniesanders, dantheman, blackjack, firstclass, steemit200, skywalker, freedom, fuzzyvest, badassmother, pharesim, complexring, apple, nextgencrypto, galaxy, commedy, testdrive, moment, xeroc, justin, clayop, roadscape, joseph, liondani, modprobe, lighthil, abit, xeldal, au1nethyb1, tuck-fheman, noaommerrr, pfunk, boatymcboatface, mostar, idol, b0y2k, gatoso, aaaaa, dab, kilrathi, anon, pstrident, dedriss, nuno-nutcrusherz, zero, hossary, elle-yan, jordanbelfort, code, userde, yes, kus-knee, goddamnit, b4bb4r-5h3r, foserfox, rolik, taylormadeapps, zebbra2014, denverliu, esteem, steempowered, litrbooh, rogue91, alekschm, grumlin, and 3 others
👎 admin2017

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@abit · Apr 25 '16

How about linking libgmp statically?

👍 afew, alittle, masterphoto

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@testz · Apr 25 '16

It’s should link statically with libgmp by default.

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@abit · Apr 25 '16

Tested with an AWS 36core VPS. hps 116k -> 119k.

👍 pfunk

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@abit · Apr 25 '16

AWS 36 core VPS with [MPIR](http://mpir.org/) , hps 125k

👍 pfunk, testz

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@abit · Apr 28 '16

```
...
sudo apt-get remove libgmp-dev
wget -c http://mpir.org/mpir-2.7.2.tar.bz2
tar xjf mpir-2.7.2.tar.bz2
cd mpir
./configure --enable-gmpcompat
make
sudo make install
cd ..

cd steem
cmake ...
```
By the way, an earlier version of @testz's patch will link libgmp dynamically, don't know if it's fixed.

👍 pfunk, testz, kodachrome

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9 replies

@loum · Aug 8 '16 (edited)

Hi, abit..
I want to know how to mine Steem.
Do you know that or posts?
I plan to use AWS.. Thanks..

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@au1nethyb1 · Apr 25 '16

I got an 8% increase : From 13.6Khps to 14.7 ;-) thx.

![Before & After](http://content.screencast.com/users/nethyb/folders/Default/media/cfdb4a99-6d64-444d-bf59-3aefe0433118/2016-04-25_22-57-11.png)

👍 boatymcboatface

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@testz · Apr 25 '16

It's should link statically with libgmp by default.

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@litrbooh · Jul 19 '16

Отличный пост, пойду только сначала разберусь как вообще майнить. :)

👍 nwmps

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@modprobe · May 22 '16

Went from ~24k to ~26k. :)

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@pfunk · Apr 27 '16

I saw an 8.5-9% increase in hps. Thanks for sharing!

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