[parrot/parrot] d97d37: [docs] update release_manager_guide

[GitHub]

  Branch: refs/heads/smoke-me/stringbuilder-gh1123
  Home:   https://github.com/parrot/parrot
  Commit: d97d3796ddafaf06114663057f115d01673068fb
      https://github.com/parrot/parrot/commit/d97d3796ddafaf06114663057f115d01673068fb
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M docs/project/release_manager_guide.pod

  Log Message:
  -----------
  [docs] update release_manager_guide

remove some outdated items.
there is nothing version specific at the gh wiki and c2 wiki anymore.


  Commit: f9f1f39152a8cd18d186986411e2001262ba53d4
      https://github.com/parrot/parrot/commit/f9f1f39152a8cd18d186986411e2001262ba53d4
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M CREDITS
    M RESPONSIBLE_PARTIES

  Log Message:
  -----------
  RESPONSIBLE_PARTIES + CREDITS: small updates

cotto and whiteknight are non-active since 5.0


  Commit: a00ee7f05342ed1b2304c3deb2e2b26c81c9e66f
      https://github.com/parrot/parrot/commit/a00ee7f05342ed1b2304c3deb2e2b26c81c9e66f
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M config/init/optimize.pm

  Log Message:
  -----------
  comment: add GH #1184 testcase for src/gc/system.c amd64


  Commit: d6acd787d1d0ad07e1fdb3a41c3e96a588910cfc
      https://github.com/parrot/parrot/commit/d6acd787d1d0ad07e1fdb3a41c3e96a588910cfc
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M ChangeLog
    M config/init/optimize.pm

  Log Message:
  -----------
  [config] change perl5 derived -O2 to -O3 for gcc/clang

Faster --optimize. 5% faster in parrot-bench. Closes GH #1185


  Commit: 49cb26fa29e34a94beefafe9e9742faef1b57cea
      https://github.com/parrot/parrot/commit/49cb26fa29e34a94beefafe9e9742faef1b57cea
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M ChangeLog
    M src/pmc/stringbuilder.pmc

  Log Message:
  -----------
  [pmc] change StringBuilder overallocation

by 1.5, not 2. And for >8192 onto the next block size.
The optimal overallocation is the golden ration 1.618, but we prefer int ops.
A difference is not measurable.


  Commit: 04ec499973497a8a03d2814e3fda5cfa477df465
      https://github.com/parrot/parrot/commit/04ec499973497a8a03d2814e3fda5cfa477df465
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/pmc/stringbuilder.pmc

  Log Message:
  -----------
  [pmc] disable 2x StringBuilder.substr clone, GH #1123

STRING_substr already creates a copy for us, no need to copy it twice.
no regression.

Note that t/stress/gc.t started failing earlier, even in 7.0.0.


  Commit: f33e88b593934b779982e2101105af919783443f
      https://github.com/parrot/parrot/commit/f33e88b593934b779982e2101105af919783443f
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/pmc/stringbuilder.pmc

  Log Message:
  -----------
  [pmc] StringBuilder.substr needs no WB

GH #1123. 1.14% faster


  Commit: f8617f8def5d6fbb2c2f459194975511f02b432e
      https://github.com/parrot/parrot/commit/f8617f8def5d6fbb2c2f459194975511f02b432e
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/pmc/stringbuilder.pmc

  Log Message:
  -----------
  [pmc] Avoid StringBuilder copies on set_pmc, ...

and push_pmc, i_concatenate, when the arg is a StringBuilder
PMC already. 0.5% faster.


  Commit: e3ed19e4b4c78e6059c82fe3b2195dddafcdc2b8
      https://github.com/parrot/parrot/commit/e3ed19e4b4c78e6059c82fe3b2195dddafcdc2b8
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/io/stringhandle.c

  Log Message:
  -----------
  [core] optimize io_stringhandle_write_b

Reuse write buffer if large enough. This happens very often.
But surpringly no perf. improvement measurable.


Compare: https://github.com/parrot/parrot/compare/7c93c27262a4...e3ed19e4b4c7