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Detect poorly performing combination of SDK and phatk kernel and add verbose warning at startup.

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This commit is contained in:
Con Kolivas 2012-04-25 11:41:35 +10:00
parent 22ea2f90d0
commit bb31988347
1 changed files with 10 additions and 1 deletions
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11
ocl.c
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@ -372,8 +372,17 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize)
clState->chosen_kernel = KL_PHATK;
}
gpus[gpu].kernel = clState->chosen_kernel;
} else
} else {
clState->chosen_kernel = gpus[gpu].kernel;
if (clState->chosen_kernel == KL_PHATK &&
(strstr(vbuff, "844.4") || strstr(vbuff, "851.4") ||
strstr(vbuff, "831.4") || strstr(vbuff, "898.1"))) {
applog(LOG_WARNING, "WARNING: You have selected the phatk kernel.");
applog(LOG_WARNING, "You are running SDK 2.6 which performs poorly with this kernel.");
applog(LOG_WARNING, "Downgrade your SDK and delete any .bin files before starting again.");
applog(LOG_WARNING, "Or allow cgminer to automatically choose a more suitable kernel.");
}
}
/* For some reason 2 vectors is still better even if the card says
* otherwise, and many cards lie about their max so use 256 as max