[parrot/parrot] c868e4: [pmc] change StringBuilder overallocation

[GitHub]

  Branch: refs/heads/rurban/gcms-numfree
  Home:   https://github.com/parrot/parrot
  Commit: c868e4efac05e7d704f0bb2d28836057bea76581
      https://github.com/parrot/parrot/commit/c868e4efac05e7d704f0bb2d28836057bea76581
  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: 02507197ba14e5cd3154f796eca8d5db3f17e80c
      https://github.com/parrot/parrot/commit/02507197ba14e5cd3154f796eca8d5db3f17e80c
  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: fa1bc2cdc05bd3c13117be4220d2600bbe5b0a3a
      https://github.com/parrot/parrot/commit/fa1bc2cdc05bd3c13117be4220d2600bbe5b0a3a
  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: 1cfe5819ca97f97fda72486d5da496083f721522
      https://github.com/parrot/parrot/commit/1cfe5819ca97f97fda72486d5da496083f721522
  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: 4d66f6c2ce7e408181ee1149f3f9e613f10982a4
      https://github.com/parrot/parrot/commit/4d66f6c2ce7e408181ee1149f3f9e613f10982a4
  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: 9cf2c341d9b256d5acf6ae27d09673bcfd821f62
      https://github.com/parrot/parrot/commit/9cf2c341d9b256d5acf6ae27d09673bcfd821f62
  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: 68c7dacf9b018d6e8ffc581b8aea1d0090bc8890
      https://github.com/parrot/parrot/commit/68c7dacf9b018d6e8ffc581b8aea1d0090bc8890
  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: 53139d9d42643e828a689410948dd62d5904b5b2
      https://github.com/parrot/parrot/commit/53139d9d42643e828a689410948dd62d5904b5b2
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/gc/fixed_allocator.c
    M src/gc/gc_ms.c
    M src/gc/gc_private.h

  Log Message:
  -----------
  gc_ms: skip counting num_free_objects unless GC_STATS (debugging only)


  Commit: 9ff9bd6053bafd38f4e3025eb625b302f177d1f4
      https://github.com/parrot/parrot/commit/9ff9bd6053bafd38f4e3025eb625b302f177d1f4
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M config/gen/config_h/config_h.in
    M src/gc/gc_ms.c
    M src/gc/gc_private.h

  Log Message:
  -----------
  gc: define the default GC, for PARROT_GC_DEFAULT_MS

We need a compile-time definition, to skip num_free_objects on gms or inf


  Commit: e3980fdffdd94628a3b120a910c335ff1691eaab
      https://github.com/parrot/parrot/commit/e3980fdffdd94628a3b120a910c335ff1691eaab
  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

WIP. reuse write buffer if large enough. This happens very often


  Commit: 825c61ca2c291ad107fc9567c094f3bd942bbb46
      https://github.com/parrot/parrot/commit/825c61ca2c291ad107fc9567c094f3bd942bbb46
  Author: Reini Urban <rurban at cpanel.net>
  Date:   2015-01-23 (Fri, 23 Jan 2015)

  Changed paths:
    M src/pmc/stringbuilder.pmc

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

test: This reverts commit 9cf2c341d9b256d5acf6ae27d09673bcfd821f62.


Compare: https://github.com/parrot/parrot/compare/c868e4efac05^...825c61ca2c29