Q. If variable a is host variable and dev_a is a device (GPU) variable, to copy input from variable a to variable dev_a select correct statement: (Solved)
1. memcpy( dev_a, &a, size);
2. cudamemcpy( dev_a, &a, size, cudamemcpyhosttodevice );
3. memcpy( (void*) dev_a, &a, size);
4. cudamemcpy( (void*) &dev_a, &a, size, cudamemcpydevicetohost );
- b. cudamemcpy( dev_a, &a, size, cudamemcpyhosttodevice );