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Re: Bountysource campaign for gcc-vax
On Sun, 2 May 2021, John Klos wrote:
> Thank you for this. I don't have much time to give this as much attention as
> it deserves, so this is the perfect amount of a how-to to at least get
> started. I'll give it a go, hopefully some time this week.
I'm glad to be of help!
> -j 64? Must be nice ;)
Quite so, though for a VAX cross-compiler build the speed up is only
ninefold or so with `time' giving:
8896.42user 346.68system 7:18.98elapsed 2105%CPU (0avgtext+0avgdata 533760maxresident)k
0inputs+7809792outputs (16778major+18136652minor)pagefaults 0swaps
for `-j 64' vs:
3785.87user 263.91system 1:06:53elapsed 100%CPU (0avgtext+0avgdata 532608maxresident)k
0inputs+7257088outputs (293major+17848903minor)pagefaults 0swaps
for `-j 1' here. Still it does make a huge difference.
> For NetBSD you can use `sysctl -n hw.ncpu`.
Good to know, thanks! Sadly lizzie only says:
$ sysctl -n hw.ncpu
On the positive side she also says:
4:21AM up 212 days, 9:33, 2 users, load averages: 0.02, 0.01, 0.00
after all that beating with GCC verification. :) She tends to lose NTP
synchronisation though as the system clock drifts very badly when the load
becomes excessive, which I suppose is due to a kernel bug in setting the
scheduling priority for `ntpd'. It's now off by well over an hour.
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