Minor corrections to NVML example.

jirikraus · jirikraus · commit e4801de19f34 · 2014-10-29T07:46:34.000-07:00
diff --git a/posts/nvml/Makefile b/posts/nvml/Makefile
@@ -1,7 +1,7 @@
 ALL: run
 
 nvml_test: Makefile nvml_test.cu matrixMul.cu
-	nvcc -I$(GPU_DEPLOYMENT_KIT_ROOT_DIR)/include/nvidia/gdk -lnvidia-ml nvml_test.cu matrixMul.cu -o nvml_test
+	nvcc -gencode arch=compute_35,code=sm_35 -I$(GPU_DEPLOYMENT_KIT_ROOT_DIR)/include/nvidia/gdk -lnvidia-ml nvml_test.cu matrixMul.cu -o nvml_test
 
 run: nvml_test
 	./nvml_test
diff --git a/posts/nvml/matrixMul.cu b/posts/nvml/matrixMul.cu
@@ -138,7 +138,7 @@ int matrixMultiply(dim3 &dimsA, dim3 &dimsB)
     float *h_B = (float *)malloc(mem_size_B);
 
     // Initialize host memory
-    const float valB = 0.01f;
+    const float valB = 0.001f;
     constantInit(h_A, size_A, 1.0f);
     constantInit(h_B, size_B, valB);
 
diff --git a/posts/nvml/nvml_test.cu b/posts/nvml/nvml_test.cu
@@ -100,8 +100,8 @@ int main()
 	
 	if ( NVML_FEATURE_DISABLED == isRestricted )
 	{
-		dim3 dimsA(256,256);
-		dim3 dimsB(256,256);
+		dim3 dimsA(1024,1024);
+		dim3 dimsB(1024,1024);
 		
 		for ( int i=numSupportedSMClocks-1; i >= 0; --i )
 		{
@@ -113,6 +113,10 @@ int main()
 			matrixMultiply(dimsA, dimsB);
 		}
 	}
+	else
+	{
+		std::cerr<<"ERROR: Application clock permissions are set to RESTRICTED. Please change with sudo nvidia-smi -acp UNRESTRICTED"<<std::endl;
+	}
 	
 	//Reset Application Clocks and Shutdown NVML
 	if ( NVML_FEATURE_DISABLED == isRestricted )

Original file line number	Diff line number	Diff line change
`@@ -100,8 +100,8 @@ int main()`
`100`	`100`
`101`	`101`	`if ( NVML_FEATURE_DISABLED == isRestricted )`
`102`	`102`	`{`
`103`		`- dim3 dimsA(256,256);`
`104`		`- dim3 dimsB(256,256);`
	`103`	`+ dim3 dimsA(1024,1024);`
	`104`	`+ dim3 dimsB(1024,1024);`
`105`	`105`
`106`	`106`	`for ( int i=numSupportedSMClocks-1; i >= 0; --i )`
`107`	`107`	`{`
`@@ -113,6 +113,10 @@ int main()`
`113`	`113`	`matrixMultiply(dimsA, dimsB);`
`114`	`114`	`}`
`115`	`115`	`}`
	`116`	`+ else`
	`117`	`+ {`
	`118`	`+ std::cerr<<"ERROR: Application clock permissions are set to RESTRICTED. Please change with sudo nvidia-smi -acp UNRESTRICTED"<<std::endl;`
	`119`	`+ }`
`116`	`120`
`117`	`121`	`//Reset Application Clocks and Shutdown NVML`
`118`	`122`	`if ( NVML_FEATURE_DISABLED == isRestricted )`