Thread behavior in 7.8.3

Ben Gamari bgamari.foss at gmail.com
Wed Oct 29 21:57:51 UTC 2014


Michael Jones <mike at proclivis.com> writes:

> Ben,
>
> I am using Bas van Dijk’s usb, and I am past the -threading issue by
> using the latest commit.
>
Excellent; I hadn't noticed the "proclivis" in your email address

> I don’t have any easy way of making comparisons between 7.6 and 7.8
> productivity, but from oscilloscope activity, I can’t see any
> difference. The only difference I see is the thread scheduling on 7.8
> for -N1 vs -N2/4.
>
> If —sstderr gives some notion of productivity, I’ll have to do an
> experiment between -N1 and -N2/4. Unchartered territory for me. I’ll
> setup and experiment tonight.
>
Indeed it does; "productivity" in this context refers to the fraction of
runtime spent in evaluation (as opposed to in the garbage collector, for
instance).

> I am not familiar with strace. I’ll fix that soon.
>
It's often an invaluable tool; that being said it remains to seen
whether it yields anything useful in this particular case.

Cheers,

- Ben
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