CREATE EXTENSION popcount;

SELECT popcountAsm(15::bit(4));
SELECT popcountAsm(7::bit(4));

SELECT popcountAsm(15::bit(8));
SELECT popcountAsm(7::bit(8));

SELECT popcountAsm(15::bit(12));
SELECT popcountAsm(7::bit(12));

SELECT popcountAsm(15::bit(32));
SELECT popcountAsm(7::bit(32));

SELECT popcountAsm(30::bit(32));
SELECT popcountAsm(127::bit(32));

SELECT popcountAsm(b'10101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010');

SELECT sum(popcountAsm(x::bit(512))) from generate_series(1,1000000) x;
SELECT sum(popcountAsm(x::bit(500))) from generate_series(1,1000000) x;

SELECT popcountAsm64(15::bit(4));
SELECT popcountAsm64(7::bit(4));

SELECT popcountAsm64(15::bit(8));
SELECT popcountAsm64(7::bit(8));

SELECT popcountAsm64(15::bit(12));
SELECT popcountAsm64(7::bit(12));

SELECT popcountAsm64(15::bit(32));
SELECT popcountAsm64(7::bit(32));

SELECT popcountAsm64(30::bit(32));
SELECT popcountAsm64(127::bit(32));

SELECT popcountAsm64(b'10101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010101010101010110101010101010101010101010101010101101010101010101010101010101010101011010101010101010101010');

SELECT sum(popcountAsm64(x::bit(512))) from generate_series(1,1000000) x;
SELECT sum(popcountAsm64(x::bit(500))) from generate_series(1,1000000) x;