Perhaps you are right. I thought "run-gbc" was time in GC. In that case it would have been drastic. The "gbc" time, while clearly not drastic, is significant. Building GCL takes a bit of time. Given how much memory machines have these days, bumping up the build-time memory footprint may be worth it.
Thanks for the response. Blake On Tue, Oct 28, 2014 at 7:27 PM, Camm Maguire <[email protected]> wrote: > Greetings! > > Blake McBride <[email protected]> writes: > > > When building GCL I get messages like this: > > > > real time : 32.630 secs > > run-gbc time : 26.180 secs > > child run time : 2.259 secs > > gbc time : 4.119 secs > > > > I know what "real time" is. What do the other times represent? > > child time -- time spent in forked children, mostly gcc. > gbc time -- garbage collection time > run-gbc time -- time spent in GCL proper outside of garbage collection. > > > > > In particular, I am wondering about "run-gbc time" and "gbc time". If > "gbc" is garbage collection, I am wondering if there is some parameter that > > can be set for building the system using a larger heap so that their are > fewer - or no - garbage collections. If my interpretations are correct, > > this could drastically speed system build time. > > > > What the figures above show is that one might save ~12% if gc could be > eliminated entirely. Indeed, there are many settings which affect this > proportion, including the pre-allocation of various memory types. One > might have a large image for system building, and a minimal final image > for final use, as it is generally desirable to minimize the disk image > and not guess what the user's memory demands are likely to be. I'm > skeptical that 'drastic' savings are possible. > > Take care, > > > Blake McBride > > > > _______________________________________________ > > Gcl-devel mailing list > > [email protected] > > https://lists.gnu.org/mailman/listinfo/gcl-devel > > -- > Camm Maguire [email protected] > ========================================================================== > "The earth is but one country, and mankind its citizens." -- Baha'u'llah >
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