align CUDA and HIP kernels with SYCL kernel

mgrabban · mgrabban · commit 68124e69a140 · 2023-11-29T08:13:52.000-08:00
diff --git a/sobel_filter/CUDA/src/sobelfilter.cu b/sobel_filter/CUDA/src/sobelfilter.cu
@@ -122,7 +122,8 @@ void computeGradient(
                     (gradienty[2][1] * input[index_row_below])        +
                     (gradienty[2][2] * input[index_row_below + 1]);
 
-    output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));
+    // output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));
+    output[index] = sqrtf(gradient_x * gradient_x + gradient_y * gradient_y);
 }
 
 int main(int argc, const char* argv[])
diff --git a/sobel_filter/HIP/src/sobelfilter.cpp b/sobel_filter/HIP/src/sobelfilter.cpp
@@ -122,7 +122,8 @@ void computeGradient(
                     (gradienty[2][1] * input[index_row_below])        +
                     (gradienty[2][2] * input[index_row_below + 1]);
 
-    output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));
+    // output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));
+    output[index] = sqrtf(gradient_x * gradient_x + gradient_y * gradient_y);
 }
 
 int main(int argc, const char* argv[])

Original file line number	Diff line number	Diff line change
`@@ -122,7 +122,8 @@ void computeGradient(`
`122`	`122`	`(gradienty[2][1] * input[index_row_below]) +`
`123`	`123`	`(gradienty[2][2] * input[index_row_below + 1]);`
`124`	`124`
`125`		`- output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));`
	`125`	`+ // output[index] = sqrtf(powf(gradient_x, 2.f) + powf(gradient_y, 2.f));`
	`126`	`+ output[index] = sqrtf(gradient_x * gradient_x + gradient_y * gradient_y);`
`126`	`127`	`}`
`127`	`128`
`128`	`129`	`int main(int argc, const char* argv[])`