From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <zsh-workers-return-36956-mason-zsh=primenet.com.au@zsh.org>
Received: (qmail 2182 invoked by alias); 25 Oct 2015 17:23:17 -0000
Mailing-List: contact zsh-workers-help@zsh.org; run by ezmlm
Precedence: bulk
X-No-Archive: yes
List-Id: Zsh Workers List <zsh-workers.zsh.org>
List-Post: <mailto:zsh-workers@zsh.org>
List-Help: <mailto:zsh-workers-help@zsh.org>
X-Seq: 36956
Received: (qmail 9949 invoked from network); 25 Oct 2015 17:23:16 -0000
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on f.primenet.com.au
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham
	autolearn_force=no version=3.4.0
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=1e100.net; s=20130820;
        h=x-gm-message-state:from:message-id:date:in-reply-to:comments:to
         :subject:mime-version:content-type;
        bh=8WvrCcYcLyVjXaIZn06IbK8KirRik2EaVCd6/nAhv1w=;
        b=CtuSMLDnt5UNSVyxL8kFTHBYLw35tfiYEqyV3RuIebzcXglSzmmGhoDFSWwjwt2QtQ
         DBHUY7u0TQrHVSVLcddyE4rxr9MynC9mtEgMkRfV4fW7nkmSqXBrKy8YnGlmZzSoug2z
         MGLIsMpdJFj+gSKxNFscjN2C28fAe85c0ig7cwC12vEAKxFIz2wQ13DkktbfntTRiNXC
         uUWnngV2t4IFClfwuGC5LXxs7lucL07gcPhhRXjK7wQ/HqnSPtaqlGjLfk1Pr8re9Tcs
         hNh5Uku7rGSOIUsFn8kH/OugsDGinAoTfIAzCWe7EtqCM90m+eW2OkKaus0rMB7Dn0Bl
         8izA==
X-Gm-Message-State: ALoCoQnwNL+wYTb5tqzAqrp8LEIOcwi453ZhbgxX6vyeAeL3RltUReBE7XltVRG5eNQuL2zo+yJs
X-Received: by 10.60.60.65 with SMTP id f1mr21522987oer.43.1445793794532;
        Sun, 25 Oct 2015 10:23:14 -0700 (PDT)
From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <151025102304.ZM29756@torch.brasslantern.com>
Date: Sun, 25 Oct 2015 10:23:04 -0700
In-Reply-To: <CAKc7PVDS5nWLQVMdrxMJqfpZofgTd7ZQMjAf=+DQmtC_h=7eqQ@mail.gmail.com>
Comments: In reply to Sebastian Gniazdowski <sgniazdowski@gmail.com>
        "Re: Slowdown around 5.0.5-dev-0" (Oct 25,  8:35am)
X-Mailer: OpenZMail Classic (0.9.2 24April2005)
To: Sebastian Gniazdowski <sgniazdowski@gmail.com>, zsh-workers@zsh.org
Subject: Re: Slowdown around 5.0.5-dev-0
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii

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)