Comment Comment by cprogrammer1994 Hi I shaved off 40% more just by replacing multiplication with bitwise operations and ported the code to a standard Python C Extension to avoid relying on JIT.https://github.com/szabolcsdombi/optimized-floyd-steinberg-d...X * 7 is equal to (X << 3) - XX * 3 is equal to (X << 1) + XX * 5 is equal to (X << 2) + X parent cprogrammer1994 3 years ago
https://github.com/szabolcsdombi/optimized-floyd-steinberg-d...
X * 7 is equal to (X << 3) - X
X * 3 is equal to (X << 1) + X
X * 5 is equal to (X << 2) + X