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Author Topic: An (even more) optimized version of cpuminer (pooler's cpuminer, CPU-only)  (Read 1717092 times)
pooler
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June 24, 2013, 09:40:07 PM
 #581

I run cpuminer at ARM CPU and it crashes [...]
Thanks for reporting, using the data you provided I was able to locate a bug that can cause a crash on certain Stratum data, but apparently only when compiling with older versions of gcc. It's not an architecture-dependent bug, though.
I have pushed a fix to the git repo, would you be so kind to test it?

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June 26, 2013, 10:19:36 AM
 #582

there is guide how to install, but please how to configure it and run (for linux noobs) ?

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June 26, 2013, 07:11:25 PM
 #583

I run cpuminer at ARM CPU and it crashes [...]

I have pushed a fix to the git repo, would you be so kind to test it?

Fixed version of cpuminer was tested and it is OK. Thank you!
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June 26, 2013, 07:29:04 PM
 #584

Question on CFLAGS:

When I configure CFLAGS="-03" is says that "C cannot compile executables"

But if I use "./configure CPPFLAGS="" and then "make" tehre are no errors after the configure command

Does this make any sense and is there any reason NOT to do this when the miner seems to work just fine (sometimes better depending on the pool)?

I put a paste up addressing this issue.

http://pastebin.com/iLSck4ES

Please not that I am aware of teh typo re: "CPFLAGS" it was supposed to read "CFLAGS"

Would like some feedback

Thanks

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June 26, 2013, 07:37:38 PM
 #585

When I configure CFLAGS="-03" is says that "C cannot compile executables"
It's "-O3", not "-03". See the difference? (It's big O, not zero.)

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June 27, 2013, 12:13:28 AM
 #586

Hi pooler,

is there built in support for failover to different configurations if (eg) a p2pool node goes down, or would one need to write their own external script for that?
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June 27, 2013, 08:22:39 AM
 #587

is there built in support for failover to different configurations if (eg) a p2pool node goes down, or would one need to write their own external script for that?
No native support for that at this point, sorry. See here for some sample failover scripts.

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June 27, 2013, 12:49:51 PM
 #588

When I configure CFLAGS="-03" is says that "C cannot compile executables"
It's "-O3", not "-03". See the difference? (It's big O, not zero.)

Holy Crap!! That is why it always says that it cannot compile executables!

Thanks Pooler, Ive been doing this wrong for a long time


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June 27, 2013, 12:59:06 PM
 #589

When I configure CFLAGS="-03" is says that "C cannot compile executables"
It's "-O3", not "-03". See the difference? (It's big O, not zero.)

One other question for Pooler...Will changing my scantime affect performance on older, slower computers?

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June 27, 2013, 01:18:57 PM
 #590

Will changing my scantime affect performance on older, slower computers?
Brief note on the -s/--scantime option
I have seen people suggest various values for this option in order to reduce stales when mining in pools.
The funny thing is that, to my knowledge, all Litecoin pools have long polling permanently enabled (which is good), and when long polling is enabled the scantime parameter is completely ignored.
For this reason, the use of this parameter only makes sense when you are mining solo.

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July 02, 2013, 09:24:44 AM
 #591

I am trying to use this software on a work computer that uses a proxy, so I have addded "-x http://<proxy address>:8082"
The output from the terminal says "[2013-07-02 10:17:04] HTTP request failed: The requested URL returned error: 407 Proxy Authentication Required"
The proxy needs me to add a user name, which I do know.
What is the correct format to add my user name to the proxy option to make it work?
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July 02, 2013, 09:49:53 AM
 #592

I am trying to use this software on a work computer that uses a proxy, so I have addded "-x http://<proxy address>:8082"
The output from the terminal says "[2013-07-02 10:17:04] HTTP request failed: The requested URL returned error: 407 Proxy Authentication Required"
The proxy needs me to add a user name, which I do know.
What is the correct format to add my user name to the proxy option to make it work?
http style

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July 02, 2013, 09:58:48 AM
 #593

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http style
I don't understand what you mean.
I have tried using  -x http://<proxy address>:8082:<user name> but this doesn't work.
I need to know the correct syntax to add the user name.
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July 02, 2013, 11:11:21 AM
 #594

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http style
I don't understand what you mean.
I have tried using  -x http://<proxy address>:8082:<user name> but this doesn't work.
I need to know the correct syntax to add the user name.
according to rfc: http://<user>:<pw>@<host>[<port>]

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July 02, 2013, 11:25:14 AM
 #595

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according to rfc: http://<user>:<pw>@<host>[<port>]
OK, thanks for your help, I'll try out that configuration tomorrow.
I'm not convinced that it will work though because my username also has an @ symbol in it.
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July 02, 2013, 12:27:07 PM
 #596

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according to rfc: http://<user>:<pw>@<host>[<port>]
OK, thanks for your help, I'll try out that configuration tomorrow.
I'm not convinced that it will work though because my username also has an @ symbol in it.
then use the -u and -p for auth and the -o just without credentials

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July 02, 2013, 01:16:39 PM
 #597

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then use the -u and -p for auth and the -o just without credentials
I don't have any problem with the username and password for the pool I am using, I just have a problem figuring out the correct syntax to use with the -x option for the proxy server that that particular computer is using. The proxy username is PUBLIC\*****@LibraryPublic
So you are saying it should look like:
-x http://PUBLIC\*****@LibraryPublic@***.***.***.***:8082 ?
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July 02, 2013, 04:16:01 PM
 #598

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then use the -u and -p for auth and the -o just without credentials
I don't have any problem with the username and password for the pool I am using, I just have a problem figuring out the correct syntax to use with the -x option for the proxy server that that particular computer is using. The proxy username is PUBLIC\*****@LibraryPublic
So you are saying it should look like:
-x http://PUBLIC\*****@LibraryPublic@***.***.***.***:8082 ?
ah right, forgot you need it for the proxy not for the pool auth. in this case there probably isnt a easy solution besides making a hardcoded proxy into minerd or running with proxychains/similiar
are you enforced to use this proxy?

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July 03, 2013, 02:09:19 PM
 #599

Hi, maybe this is not a perfect thread for this, but anyway... I have a problem with connecting to mine some LTC
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:00:06] Started cgminer 3.1.0
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:00:07] Probing for an alive pool
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:01:07] No servers were found that could be used to get work from.
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:01:07] Please check the details from the list below of the servers you have input
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:01:07] Most likely you have input the wrong URL, forgotten to add a port, or have not set up workers
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:01:07] Pool: 0  URL: stratum+tcp://mine.pool-x.eu/:9000  User: xxxxxxx Password: xxxxxxx
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:01:07] No servers could be used! Exiting.
 Ive used parameters from site as you can see.... I just x-ed the user name and password here....
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July 03, 2013, 02:14:47 PM
 #600

Hi, maybe this is not a perfect thread for this, but anyway... I have a problem with connecting to mine some LTC
2013-07-03 16:01:07: Listener for "6790": [2013-07-03 16:00:06] Started cgminer 3.1.0
You're definitely in the wrong thread. Ask in your pool's thread or in the thread for cgminer, and provide more info about your configuration.

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