[#59462] [ruby-trunk - Bug #9342][Open] [PATCH] SizedQueue#clear does not notify waiting threads in Ruby 1.9.3 — "jsc (Justin Collins)" <redmine@...>

9 messages 2014/01/02

[#59466] [ruby-trunk - Bug #9343][Open] [PATCH] SizedQueue#max= wakes up waiters properly — "normalperson (Eric Wong)" <normalperson@...>

11 messages 2014/01/02

[#59498] [ruby-trunk - Bug #9352][Open] [BUG] rb_sys_fail_str(connect(2) for [fe80::1%lo0]:3000) - errno == 0 — "kain (Claudio Poli)" <claudio@...>

10 messages 2014/01/03

[#59516] [ruby-trunk - Bug #9356][Open] TCPSocket.new does not seem to handle INTR — "charliesome (Charlie Somerville)" <charliesome@...>

48 messages 2014/01/03

[#59538] [ruby-trunk - Feature #9362][Assigned] Minimize cache misshit to gain optimal speed — "shyouhei (Shyouhei Urabe)" <shyouhei@...>

33 messages 2014/01/03
[#59582] Re: [ruby-trunk - Feature #9362][Assigned] Minimize cache misshit to gain optimal speed — SASADA Koichi <ko1@...> 2014/01/06

Intersting challenge.

[#59541] Re: [ruby-trunk - Feature #9362][Assigned] Minimize cache misshit to gain optimal speed — Eric Wong <normalperson@...> 2014/01/04

Hi, I noticed a trivial typo in array.c, and it fails building struct.c

[#59583] [ruby-trunk - Bug #9367][Open] REXML::XmlDecl doesn't use user specified quotes — "bearmini (Takashi Oguma)" <bear.mini@...>

12 messages 2014/01/06

[#59642] [ruby-trunk - Bug #9384][Open] Segfault in ruby 2.1.0p0 — "cbliard (Christophe Bliard)" <christophe.bliard@...>

11 messages 2014/01/08

[#59791] About unmarshallable DRb objects life-time — Rodrigo Rosenfeld Rosas <rr.rosas@...>

A while ago I created a proof-of-concept that I intended to use in my

16 messages 2014/01/15
[#59794] Re: About unmarshallable DRb objects life-time — Eric Hodel <drbrain@...7.net> 2014/01/15

On 15 Jan 2014, at 11:58, Rodrigo Rosenfeld Rosas <rr.rosas@gmail.com> wrote:

[#59808] Re: About unmarshallable DRb objects life-time — Rodrigo Rosenfeld Rosas <rr.rosas@...> 2014/01/16

Em 15-01-2014 19:42, Eric Hodel escreveu:

[#59810] Re: About unmarshallable DRb objects life-time — Eric Hodel <drbrain@...7.net> 2014/01/16

On 16 Jan 2014, at 02:15, Rodrigo Rosenfeld Rosas <rr.rosas@gmail.com> wrote:

[#59826] Re: About unmarshallable DRb objects life-time — Rodrigo Rosenfeld Rosas <rr.rosas@...> 2014/01/17

Em 16-01-2014 19:43, Eric Hodel escreveu:

[#59832] Re: About unmarshallable DRb objects life-time — Eric Hodel <drbrain@...7.net> 2014/01/17

On 17 Jan 2014, at 04:22, Rodrigo Rosenfeld Rosas <rr.rosas@gmail.com> wrote:

[ruby-core:59967] Re: [ruby-trunk - Feature #9425] [PATCH] st: use power-of-two sizes to avoid slow modulo ops

From: Eric Wong <normalperson@...>
Date: 2014-01-22 08:10:23 UTC
List: ruby-core #59967
Urabe Shyouhei <shyouhei@ruby-lang.org> wrote:
> No, sorry I see no evident speedup.  When I wrote the patch I thought the
> function was used for Hash#rehash, but it turned out Hash#rehash uses
> something different (don't know why).  The optimization is valid I
> believe but in fact used very rarely.

Alright.  My understanding is branch mispredict costs are higher than
the memory stores which would be avoided.  The expensive part is loading
memory on cache miss, and that is not avoided.

We'll probably need to poke around with perf or similar tools to
analyze/confirm this.

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