[Cado-nfs-discuss] Large Operation Disk Space Requirements

paul zimmermann Paul.Zimmermann at inria.fr
Tue Feb 16 13:49:21 CET 2016


       Hi Rob,

> Date: Sun, 14 Feb 2016 13:19:39 -0500
> From: ƦOB COASTN <robertpancoast77 at gmail.com>
> 
> Hello,
> 
> Is there any data available regarding hard disk space requirements for
> factor jobs of 160+ digits?

we don't have such data available.

> When factor a 160 digit semi-prime, 256GB was completely filled.
> 
> Is this normal or did something malfunction?

this is not unexpected. For a running 185-digit factorization I already have
about 400Gb.

> How much disk space is required for 200 digit factor jobs?
> 
> How about a 220 digit job?

this will heavily depend on the sieving parameters. For RSA-768 (232 digits)
we had 5Tb of compressed relations.

Paul


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