Take a look at my channel. It may answer many of your questions moving forward. I talk a lot about this in a few of my videos. Best of luck. https://www.youtube.com/channel/UCrIMbomEyfV-EyKfVokfNiw

Quote from: Wananavu99 on June 24, 2018, 12:08:14 AM

Hello there,

I was doing some testing on my GPUs and realized that for one of my cards I'm only getting (GPU3) 200-300h/s, whereas the others are hashing around (GPU0) 1600-1700h/s.

Here's what I found, wondering if anyone has a fix for this. Both cards are updated with the same drivers and I'm still not sure what's going on.

This is on Cast XMR mining.

GPU0

[16:59:45] Initializing GPU, loading kernel ...
Detected OpenCL Platform: OpenCL 2.1 AMD-APP (2580.6)
Driver Version OK.
GPU0: Radeon RX Vega (gfx900) | 56 Compute Units | Memory (MB): 8176 | Intensity: 7 / 10
[16:59:56] Connecting to 52.168.91.103:5555 ...
[16:59:56] Connected to pool.
[16:59:56] New Job received (CryptoNightV7).
[16:59:56] Difficulty changed. Now: 10000.
[17:00:00] GPU0 | 39°C | Fan 0 RPM | 1671.6 H/s
[17:00:02] GPU0 Found Nonce, submitting...
[17:00:02] Share Accepted -> +1
[17:00:02] Shares: 1 Accepted, 0 Errors | Hash Rate Avg: 1671.6 H/s | Avg Search Time: 0.0 sec
[17:00:04] GPU0 | 41°C | Fan 0 RPM | 1734.8 H/s
[17:00:08] GPU0 | 43°C | Fan 0 RPM | 1734.8 H/s
[17:00:13] GPU0 | 44°C | Fan 0 RPM | 1733.9 H/s
[17:00:17] GPU0 | 46°C | Fan 0 RPM | 1734.3 H/s
[17:00:18] New Job received (CryptoNightV7). Avg Job Time: 22.0 sec
[17:00:18] Difficulty changed. Now: 15000.

GPU3

[16:57:59] Initializing GPU, loading kernel ...
Detected OpenCL Platform: OpenCL 2.1 AMD-APP (2580.6)
Driver Version OK.
GPU3: Radeon RX Vega (gfx900) | 56 Compute Units | Memory (MB): 8176 | Intensity: 7 / 10
[16:58:11] Connecting to 52.168.91.103:5555 ...
[16:58:11] Connected to pool.
[16:58:11] New Job received (CryptoNightV7).
[16:58:11] Difficulty changed. Now: 10000.
[16:58:12] New Job received (CryptoNightV7). Avg Job Time: 1.0 sec
[16:58:28] GPU3 | 37°C | Fan 0 RPM | 206.3 H/s
[16:58:46] GPU3 | 42°C | Fan 0 RPM | 206.2 H/s
[16:59:03] GPU3 | 47°C | Fan 0 RPM | 205.1 H/s
[16:59:03] GPU3 Found Nonce, submitting...
[16:59:03] Share Accepted -> +1
[16:59:03] Shares: 1 Accepted, 0 Errors | Hash Rate Avg: 205.9 H/s | Avg Search Time: 0.0 sec
[16:59:03] GPU3 Found Nonce, submitting...
[16:59:04] Share Accepted -> +1
[16:59:04] Shares: 2 Accepted, 0 Errors | Hash Rate Avg: 205.9 H/s | Avg Search Time: 26.0 sec
[16:59:18] New Job received (CryptoNightV7). Avg Job Time: 33.5 sec
[16:59:18] Difficulty changed. Now: 15000.
[16:59:21] GPU3 | 51°C | Fan 0 RPM | 203.8 H/s

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