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From: Bart Schaefer <schaefer@brasslantern.com>
To: Sebastian Gniazdowski <sgniazdowski@gmail.com>, zsh-workers@zsh.org
Subject: Re: Slowdown around 5.0.5-dev-0
Date: Sun, 25 Oct 2015 10:23:04 -0700	[thread overview]
Message-ID: <151025102304.ZM29756@torch.brasslantern.com> (raw)
In-Reply-To: <CAKc7PVDS5nWLQVMdrxMJqfpZofgTd7ZQMjAf=+DQmtC_h=7eqQ@mail.gmail.com>

On Oct 25,  8:35am, Sebastian Gniazdowski wrote:
}
} I calibrated for string_test, it's interesting how much slower
} array_test is on OS X. My machine is 2.3 GHz, maybe that's some reason
} (your is faster IIRC).


diff --git a/Src/mem.c b/Src/mem.c
index 158ad96..3138bb1 100644
--- a/Src/mem.c
+++ b/Src/mem.c
@@ -79,9 +79,16 @@
 
 #include <sys/mman.h>
 
+#if 0
+/*
+ * This change was designed to enable use of memory mapping on MacOS.
+ * However, performance tests indicate that MacOS mapped regions are
+ * significantly slower to allocate than memory from malloc().
+ */
 #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
 #define MAP_ANONYMOUS MAP_ANON
 #endif
+#endif /* 0 */
 
 #if defined(MAP_ANONYMOUS) && defined(MAP_PRIVATE)
 


  reply	other threads:[~2015-10-25 17:23 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-10 10:54 Sebastian Gniazdowski
2015-10-10 17:58 ` Bart Schaefer
2015-10-10 18:11   ` Sebastian Gniazdowski
2015-10-10 18:32     ` Sebastian Gniazdowski
2015-10-11  0:06       ` Bart Schaefer
2015-10-11  6:20         ` Bart Schaefer
2015-10-11  8:39           ` Sebastian Gniazdowski
2015-10-11 16:17             ` Bart Schaefer
2015-10-11 16:48               ` Sebastian Gniazdowski
2015-10-11 17:31                 ` Bart Schaefer
2015-10-11 18:05                   ` Sebastian Gniazdowski
2015-10-11 21:22                     ` Bart Schaefer
2015-10-12  8:21                       ` Sebastian Gniazdowski
2015-10-12 14:01                         ` Bart Schaefer
2015-10-12 16:50                           ` Sebastian Gniazdowski
2015-10-13  0:33                             ` Bart Schaefer
2015-10-13  8:21                               ` Sebastian Gniazdowski
2015-10-13 15:52                                 ` Bart Schaefer
2015-10-14  6:50                                   ` Sebastian Gniazdowski
2015-10-14 13:27                                   ` Peter Stephenson
2015-10-14 16:25                                     ` Bart Schaefer
2015-10-14 16:50                                       ` Bart Schaefer
2015-10-15  4:32                                         ` Bart Schaefer
2015-10-15 13:03                                           ` Sebastian Gniazdowski
2015-10-16  0:35                                             ` Bart Schaefer
2015-10-17  9:12                                               ` Sebastian Gniazdowski
2015-10-17  9:24                                                 ` Sebastian Gniazdowski
2015-10-18 16:19                                                 ` Bart Schaefer
2015-10-18 20:40                                                   ` Sebastian Gniazdowski
2015-10-18 21:07                                                     ` Bart Schaefer
2015-10-18 21:31                                                       ` Sebastian Gniazdowski
2015-10-19 17:21                                                         ` Bart Schaefer
2015-10-22 12:49                                                           ` Sebastian Gniazdowski
2015-10-22 15:00                                                             ` Bart Schaefer
2015-10-22 16:28                                                               ` Sebastian Gniazdowski
2015-10-22 16:33                                                                 ` Sebastian Gniazdowski
2015-10-23 15:40                                                               ` Sebastian Gniazdowski
2015-10-23 15:57                                                                 ` Sebastian Gniazdowski
2015-10-23 19:26                                                                   ` Bart Schaefer
2015-10-23 23:50                                                                     ` Bart Schaefer
2015-10-24  6:09                                                                       ` Sebastian Gniazdowski
2015-10-24  7:37                                                                         ` Sebastian Gniazdowski
2015-10-24  8:04                                                                           ` Sebastian Gniazdowski
2015-10-24 19:39                                                                           ` Bart Schaefer
2015-10-25  7:35                                                                             ` Sebastian Gniazdowski
2015-10-25 17:23                                                                               ` Bart Schaefer [this message]
2015-10-25 20:56                                                                                 ` Sebastian Gniazdowski
2015-10-26  0:49                                                                                   ` Bart Schaefer
2015-10-26  7:41                                                                                     ` Sebastian Gniazdowski
2015-10-26  7:47                                                                                       ` Sebastian Gniazdowski
2015-10-24  6:27                                                                       ` Sebastian Gniazdowski
2015-10-24 10:54                                                                       ` Sebastian Gniazdowski
2015-10-24 11:25                                                                         ` Sebastian Gniazdowski
2015-10-24 16:31                                                                         ` Bart Schaefer
2015-10-24 16:41                                                                           ` Bart Schaefer
2015-10-23  6:32                                                             ` Sebastian Gniazdowski
2015-10-16  0:37                                             ` Bart Schaefer
2015-10-13 13:07                         ` Sebastian Gniazdowski
2015-10-13 13:31                           ` Sebastian Gniazdowski
2015-10-12 12:05                       ` Sebastian Gniazdowski
2015-10-12 15:13                         ` Bart Schaefer

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