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Any chance of more than 1 thread? #8

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cpny opened this issue Nov 6, 2017 · 9 comments
Closed

Any chance of more than 1 thread? #8

cpny opened this issue Nov 6, 2017 · 9 comments

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@cpny
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cpny commented Nov 6, 2017

Right now with vega it suggests an intensity of around 1500 and the max i can seem to set it is around 2000 but that doesn't come close to maxing vega.

On xmr-stak-amd i can use two threads with 1920 intensity each giving my vega 56 around 2020 h/s, any way to do it like that on xmrig right now?

I get 1550 h/s with xmrig and 2000 intensity.

Thank you

@xmrig
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xmrig commented Nov 6, 2017

Same syntax with xmr-stak-amd, something like:

    "threads": [
        {
            "index": 0,
            "intensity": 1920,
            "worksize": 8,
            "affine_to_cpu": false
        },
        {
            "index": 0,
            "intensity": 1920,
            "worksize": 8,
            "affine_to_cpu": false
        }
    ],

or if you prefer command line options instead of config:

--opencl-platform=0 --opencl-devices=0,0 --opencl-launch=1920x8,1920x8

@cpny
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cpny commented Nov 6, 2017

Oh thank you very much, gonna try that!

Yeah that worked thank you very much for the help : )

@Kanelus
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Kanelus commented Nov 17, 2017

Hi, its not working for me, i edit the config.json but after changes it does not even start. Tried with commas and without between threads.
Example
"threads":
[

{

"index": 0,

"intensity": 2016,

"worksize": 8,
"affine_to_cpu": false

},

{

"index": 1,
"intensity": 2016,

"worksize": 8,

"affine_to_cpu": false
},
"index": 0,
"intensity": 1600,

"worksize": 8,

"affine_to_cpu": false
},
{

"index": 1,
"intensity": 1600,

"worksize": 8,

"affine_to_cpu": false
}
],

@j205
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j205 commented Nov 22, 2017

@Kanelus you have got a missing { before your 3rd object

@Jayd603
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Jayd603 commented Jan 16, 2018

Tried this in a rig with 3 Vega 64s, crashes with a CL memory error. Works with auto settings but has a low hash rate. xmr-stak-amd works fine and does ~5800h/s

40GB virtual memory at boot and 8GB ram.

@kimats
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kimats commented Feb 24, 2018

@xmrig
is it meaningful to have multiple treads?

@kilid
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kilid commented Oct 17, 2018

Same syntax with xmr-stak-amd, something like:

    "threads": [
        {
            "index": 0,
            "intensity": 1920,
            "worksize": 8,
            "affine_to_cpu": false
        },
        {
            "index": 0,
            "intensity": 1920,
            "worksize": 8,
            "affine_to_cpu": false
        }
    ],

or if you prefer command line options instead of config:

--opencl-platform=0 --opencl-devices=0,0 --opencl-launch=1920x8,1920x8

i keep getting this error

[2018-10-17 22:14:44] Error CL_INVALID_BUFFER_SIZE when calling clCreateBuffer to create hash scratchpads buffer.
[2018-10-17 22:14:44] Failed to start threads.

any advice ?

@xmrig
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xmrig commented Oct 20, 2018

@kilid reduce intensity.

@xmrig
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xmrig commented Sep 15, 2019

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7 participants