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core: initial implementation of user-settable xintensity. Has a bug.

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Changing `intensity` and to it from `xintensity` works fine.

Changing `xintensity` sometimes fails to enqueue kernel.

For example, starting with --xintensity=128 (on a 5850) and
then changing to 64, 42, or 100 is reliable. However, changing to 127 is
not, and produces

    [04:13:01] Error -54: Enqueueing kernel onto command queue. (clEnqueueNDRangeKernel)
    [04:13:01] GPU 0 failure, disabling!

Manually enabling the disabled GPU is successful, but the GPU no longer
submits shares.

This might be a hardware limitation.
This commit is contained in:
Noel Maersk 2014-01-19 04:08:55 +02:00
parent 9d0b7f9658
commit 463668b878
1 changed files with 34 additions and 8 deletions
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42
driver-opencl.c
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@ -693,10 +693,10 @@ retry:
mhash_base = false; mhash_base = false;
} }
wlog("GPU %d: %.1f / %.1f %sh/s | A:%d R:%d HW:%d U:%.2f/m I:%d\n", wlog("GPU %d: %.1f / %.1f %sh/s | A:%d R:%d HW:%d U:%.2f/m I:%d xI:%d\n",
gpu, displayed_rolling, displayed_total, mhash_base ? "M" : "K", gpu, displayed_rolling, displayed_total, mhash_base ? "M" : "K",
cgpu->accepted, cgpu->rejected, cgpu->hw_errors, cgpu->accepted, cgpu->rejected, cgpu->hw_errors,
cgpu->utility, cgpu->intensity); cgpu->utility, cgpu->intensity, cgpu->xintensity);
#ifdef HAVE_ADL #ifdef HAVE_ADL
if (gpus[gpu].has_adl) { if (gpus[gpu].has_adl) {
int engineclock = 0, memclock = 0, activity = 0, fanspeed = 0, fanpercent = 0, powertune = 0; int engineclock = 0, memclock = 0, activity = 0, fanspeed = 0, fanpercent = 0, powertune = 0;
@ -732,11 +732,6 @@ retry:
} }
#endif #endif
wlog("Last initialised: %s\n", cgpu->init); wlog("Last initialised: %s\n", cgpu->init);
wlog("Intensity: ");
if (gpus[gpu].dynamic)
wlog("Dynamic (only one thread in use)\n");
else
wlog("%d\n", gpus[gpu].intensity);
for (i = 0; i < mining_threads; i++) { for (i = 0; i < mining_threads; i++) {
thr = get_thread(i); thr = get_thread(i);
if (thr->cgpu != cgpu) if (thr->cgpu != cgpu)
@ -769,7 +764,7 @@ retry:
wlog("\n"); wlog("\n");
} }
wlogprint("[E]nable [D]isable [I]ntensity [R]estart GPU %s\n",adl_active ? "[C]hange settings" : ""); wlogprint("[E]nable [D]isable [I]ntensity [x]Intensity [R]estart GPU %s\n",adl_active ? "[C]hange settings" : "");
wlogprint("Or press any other key to continue\n"); wlogprint("Or press any other key to continue\n");
logwin_update(); logwin_update();
@ -855,9 +850,38 @@ retry:
} }
gpus[selected].dynamic = false; gpus[selected].dynamic = false;
gpus[selected].intensity = intensity; gpus[selected].intensity = intensity;
gpus[selected].xintensity = 0; // disable
wlogprint("Intensity on gpu %d set to %d\n", selected, intensity); wlogprint("Intensity on gpu %d set to %d\n", selected, intensity);
pause_dynamic_threads(selected); pause_dynamic_threads(selected);
goto retry; goto retry;
} else if (!strncasecmp(&input, "x", 1)) {
int xintensity;
char *intvar;
if (selected)
selected = curses_int("Select GPU to change experimental intensity on");
if (selected < 0 || selected >= nDevs) {
wlogprint("Invalid selection\n");
goto retry;
}
intvar = curses_input("Set experimental GPU scan intensity (1 -> 999)"); // FIXME: no magic numbers
if (!intvar) {
wlogprint("Invalid input\n");
goto retry;
}
xintensity = atoi(intvar);
free(intvar);
if (xintensity < 1 || xintensity > 999) { // FIXME: no magic numbers
wlogprint("Invalid selection\n");
goto retry;
}
gpus[selected].dynamic = false;
gpus[selected].intensity = 0; // disable
gpus[selected].xintensity = xintensity;
wlogprint("Experimental intensity on gpu %d set to %d\n", selected, xintensity);
pause_dynamic_threads(selected);
goto retry;
} else if (!strncasecmp(&input, "r", 1)) { } else if (!strncasecmp(&input, "r", 1)) {
if (selected) if (selected)
selected = curses_int("Select GPU to attempt to restart"); selected = curses_int("Select GPU to attempt to restart");
@ -937,6 +961,8 @@ static void set_threads_hashes(unsigned int vectors, unsigned int compute_shader
*globalThreads = threads; *globalThreads = threads;
*hashes = threads * vectors; *hashes = threads * vectors;
applog(LOG_DEBUG, "Set globalThreads to %d, hashes to %d", *globalThreads, *hashes);
} }
/* We have only one thread that ever re-initialises GPUs, thus if any GPU /* We have only one thread that ever re-initialises GPUs, thus if any GPU