[jacques_chester]

He's saying that rolling your own with functions designed to run as fast as possible, with or without salt, is not going to give you much security.

What you want is functions that run slowly, thus increasing attack cost.

[rdtsc]

Moreover, unless you are Schneier or tptacek don't create your own obscure slow function, use a well known one like scrypt.

[cperciva]

unless you are Schneier or tptacek

ahem...

[rdtsc]

/cough cough ... or cperciva