Run Time (seconds)
Operating System
Volume Size
3DNow!
No C-optimizing
C-optimized
(compiler/assembler)
optimized
no 3DNow!
No 3DNow!
Linux/gcc/NASM
72x256x256
2.03
9.69
5.15
Table 2. Comparison of execution times for 3D gradient using 3DNow!-