// returns an array with exponential distribution of size n using seed s
sparray exp_dist_sparray(long s, long n) {
sparray tmp = sparray(n);
int lg = log2_up(n)+1;
par::parallel_for(exp_dist_sparray_contr, 0l, n, [&] (long i) {
long range = (1 << (random_index(2*(i+s), lg)));
tmp[i] = (value_type)hash64shift((long)(range+random_index(2*(i+s), range)));
});
return tmp;
}
unsigned hash_fd(unsigned fd_main)
{
return(
(config.fd_buf_size > UINT_MAX)
? (hash64shift(fd_main) & (config.fd_buf_size - 1))
: (hash(fd_main) & (config.fd_buf_size - 1))
);
}
