with old big-int library (analiticcl <= v0.1.1), single-threaded, no search cache:
@ 1001 - processing speed was 238 items per second
@ 2001 - processing speed was 161 items per second
@ 3001 - processing speed was 172 items per second
@ 4001 - processing speed was 168 items per second
with ibig library, single-threaded, no search cache:
@ 1001 - processing speed was 580 items per second
@ 2001 - processing speed was 433 items per second
@ 3001 - processing speed was 435 items per second
@ 4001 - processing speed was 439 items per second
single-threaded with search cache:
@ 1001 - processing speed was 1218 items per second
@ 2001 - processing speed was 1139 items per second
@ 3001 - processing speed was 791 items per second
@ 4001 - processing speed was 814 items per second
multi-threaded (8 threads), no search cache:
@ 1000 - processing speed was 2532 items per second
@ 2000 - processing speed was 1880 items per second
@ 3000 - processing speed was 1969 items per second
@ 4000 - processing speed was 1992 items per second
@ 5000 - processing speed was 1664 items per second
