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Thanks to The Perl Foundation and our beloved sponsors, a large portion of the critical contributors to the Perl 5 Porters the core group of Perl 5 developers, were able to get together on November 11th, 2016 at the Booking.com headquarters in Amsterdam, The Netherlands, for our very first Perl 5 Core hackathon, nicknamed Perl 5 Hack. This is our report. It was a four-day event, composed of discussions on ... read more |
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Dave Mitchell writes: I spent December: 1> looking for quick some wins on speeding up perl compile-time, using 'perl -MCPAN -e1' as a typical example of loading and compiling several .pm files. I tweaked Perl_yyparse and shaved ~2% off the compile time; then tweaked Perl_sv_gets and shaved another ~2% off, and also got a pleasing run-time boost for line reading, with reading a big list of words now ~8% faster ... read more |
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Dave Mitchell writes: I spent October mainly working on two things. First, I optimised some common arithmetic operators: so that for the very common case of both args being simple ints in ranges that won't overflow, or both being floats, a simple C-level or whatever can be directly done. For more complex or mixed args, it falls back to the existing slower code. For and I optimised the simple integer ... read more |
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Dave Mitchell writes: I spent July mainly working on two things. First, I continued to work on the whole issue of how subroutines are invoked and returned from, and especially how the various perl stacks are manipulated during this time, i.e. all the PUSHBLOCK/PUSHSUB stuff. I also started extending the work to other context types, such as loops. I have mainly concentrated on removing unnecessary fields from the CXt_SUB context ... read more |
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I'm delighted to announce that Dave Mitchell's recent "grant extension request":http://news.perlfoundation.org/2015/06/grant-extension-request.html has been successful. This extension will allow Dave to continue with this work for another 400 hours. Thanks to everyone who provided feedback on this application and to all those who continue to provide financial support to the "Perl 5 Core Maintenance Fund":http://www.perlfoundation.org/perl_5_core_maintenance_fund. If you are interested in funding this work please contact karen perlfoundation.org or donate directly through ... read more |