From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qc0-x22f.google.com (mail-qc0-x22f.google.com [IPv6:2607:f8b0:400d:c01::22f]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by huchra.bufferbloat.net (Postfix) with ESMTPS id 55BCD21F2E0 for ; Tue, 31 Mar 2015 17:53:24 -0700 (PDT) Received: by qcay5 with SMTP id y5so29132345qca.1 for ; Tue, 31 Mar 2015 17:53:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=zGs/CgmUqDBqdP6C1+iTsd3bM8BGSHJjXFmd66CqU1g=; b=t+Bn/lb1Ka2+deR5bGzCa8k1t/K2OXhsMPLp7fnucbscdAxHClMciOaZ5JW/leomCO YM7b4Wk7EHLh367/zGRXqYN+GtGKjNJIjQ+zO05kJATQ80gC1LplaJX0lEILK612T81K FdQa17pt75SHOzkRZibYh6J1A4ouoSBB6z0HYPpKtQwdhvrGb6J23bfxenALvPuG2JWP ta4z8SbdF6yuV4QqsWgkqaN5/c0H4/F7xMhgQLbu6WKbSi411+Q74L/e+70QbS1Yndq5 r91VWjSAaa9CeIqqha1F7ArafZXi5SI3vbYwvLIC5+b7N9v6yFzEMZNx4c60HiJflJue czbg== MIME-Version: 1.0 X-Received: by 10.140.150.151 with SMTP id 145mr20368qhw.100.1427849603820; Tue, 31 Mar 2015 17:53:23 -0700 (PDT) Received: by 10.96.175.65 with HTTP; Tue, 31 Mar 2015 17:53:23 -0700 (PDT) In-Reply-To: References: Date: Tue, 31 Mar 2015 17:53:23 -0700 Message-ID: From: Aaron Wood To: Dave Taht Content-Type: multipart/alternative; boundary=001a11376a406db39305129f2489 Cc: Felix Fietkau , "cerowrt-devel@lists.bufferbloat.net" , John Crispin Subject: Re: [Cerowrt-devel] quick dumb question re -Os vs -O2 and arch=mips74k X-BeenThere: cerowrt-devel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: Development issues regarding the cerowrt test router project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Apr 2015 00:53:53 -0000 --001a11376a406db39305129f2489 Content-Type: text/plain; charset=UTF-8 OpenWRT normally sets it in the Build Options section of the menuconfig. On Tue, Mar 31, 2015 at 10:20 AM, Dave Taht wrote: > How do I try a different set of compile options nowadays? > > I change it in CC .config, it changes back. > > Used -O2 in cero... > > python, for example, is way slower than it was. > > Evan: old box: 0.210u 0.020s 0:00.23 100.0% 0+0k 0+0io 0pf+0w > new box: 3.280u 0.080s 0:03.36 100.0% 0+0k 0+0io 0pf+0w > there's slow and then there's slow > _______________________________________________ > Cerowrt-devel mailing list > Cerowrt-devel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/cerowrt-devel > --001a11376a406db39305129f2489 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable
OpenWRT normally sets it in the Build Options section of t= he menuconfig.

On Tue, Mar 31, 2015 at 10:20 AM, Dave Taht <dave.taht@gmail.com&= gt; wrote:
How do I try a differen= t set of compile options nowadays?

I change it in CC .config, it changes back.

Used -O2 in cero...

python, for example, is way slower than it was.

Evan:=C2=A0 old box: 0.210u 0.020s 0:00.23 100.0%=C2=A0 =C2=A0 =C2=A0 =C2= =A0 0+0k 0+0io 0pf+0w
new box: 3.280u 0.080s 0:03.36 100.0%=C2=A0 =C2=A0 =C2=A0 =C2=A0 0+0k 0+0io= 0pf+0w
there's slow and then there's slow
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