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Feature: replace Cuda with Optix

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This commit is contained in:
harlekin
2022-11-21 15:35:59 +01:00
parent 915884b855
commit 336c4fe5c9
2 changed files with 20 additions and 2 deletions
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5
src/main/java/com/sheepit/client/hardware/gpu/nvidia/CUDeviceAttribute.java
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@@ -38,4 +38,9 @@ public class CUDeviceAttribute {
* PCI domain ID of the device
*/
public static final int CU_DEVICE_ATTRIBUTE_PCI_DOMAIN_ID = 50;
/**
* Compute capability major version. Return value needs to be > 5 for OptiX support
*/
public static final int CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR = 75;
}

17
src/main/java/com/sheepit/client/hardware/gpu/nvidia/Nvidia.java
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@@ -11,7 +11,7 @@ import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.LongByReference;
public class Nvidia implements GPULister {
public static String TYPE = "CUDA";
public static String TYPE = "OPTIX";
@Override public List<GPUDevice> getGpus() {
OS os = OS.getOS();
@@ -71,6 +71,19 @@ public class Nvidia implements GPULister {
continue;
}
IntByReference computeCapabilityMajor = new IntByReference();
result = cudalib.cuDeviceGetAttribute(computeCapabilityMajor, CUDeviceAttribute.CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, aDevice.getValue());
if (result != CUresult.CUDA_SUCCESS) {
System.out
.println("Nvidia::getGpus cuDeviceGetAttribute for CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR failed (ret: " + CUresult.stringFor(result) + ")");
continue;
}
if (computeCapabilityMajor.getValue() < 5) { //Card is Maxwell or older, too old for optix
continue;
}
IntByReference pciDomainId = new IntByReference();
IntByReference pciBusId = new IntByReference();
IntByReference pciDeviceId = new IntByReference();
@@ -115,7 +128,7 @@ public class Nvidia implements GPULister {
}
String blenderId = String
.format("CUDA_%s_%04x:%02x:%02x", new String(name).trim(), pciDomainId.getValue(), pciBusId.getValue(), pciDeviceId.getValue());
.format("CUDA_%s_%04x:%02x:%02x_OptiX", new String(name).trim(), pciDomainId.getValue(), pciBusId.getValue(), pciDeviceId.getValue());
GPUDevice gpu = new GPUDevice(TYPE, new String(name).trim(), ram.getValue(), blenderId);
// for backward compatibility generate a CUDA_N id
gpu.setOldId(TYPE + "_" + num);