Discussion related to cado-nfs

[Jason Parker-Burlingham <jasonp@panix.com>]

On Mon, Oct 7, 2019 at 10:40 AM paul zimmermann
<Paul.Zimmermann@inria.fr> wrote:
> thank you Jason for your detailed information.
>
> >  * via binary search, I find that the smallest amount to reduce
> > get_arg_max() by and get a successful dup1 is about 24,000:
>
> I guess you mean 240,000?

I mean that dup1 builds a sufficiently short command line and succeeds
with this diff:

$ git diff -- utils/misc.c
diff --git a/utils/misc.c b/utils/misc.c
index a8c3c8041..d7591d300 100644
--- a/utils/misc.c
+++ b/utils/misc.c
@@ -55,6 +55,8 @@ long get_arg_max(void)
   if ((size_t) arg_max > (size_t) MAX_ARG_STRLEN)
     arg_max = MAX_ARG_STRLEN;
 #endif
+  arg_max = arg_max - 24 * 1000;
+  fprintf(stderr, "get_arg_max returns %lu\n", arg_max);
   return arg_max;
 }

but fails if that magic value of 24 is changed to 23 instead.

I understand the confusion as we are talking about arg_max values
around 240,000.

jason
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