| To: | Thiemo Seufer <ths@networkno.de>, Linux/MIPS Development <linux-mips@linux-mips.org> |
|---|---|
| Subject: | Re: [PATCH 2/16] arch related Makefile update for lemote fulong mini-PC |
| From: | Zhang Fuxin <zhangfx@lemote.com> |
| Date: | Mon, 16 Apr 2007 23:10:13 +0800 |
| In-reply-to: | <20070416124422.GB1402@networkno.de> |
| Original-recipient: | rfc822;linux-mips@linux-mips.org |
| References: | <11766507651736-git-send-email-tiansm@lemote.com> <11766507661317-git-send-email-tiansm@lemote.com> <11766507661726-git-send-email-tiansm@lemote.com> <20070415222847.GA1402@networkno.de> <4623387F.3070905@lemote.com> <20070416124422.GB1402@networkno.de> |
| Sender: | linux-mips-bounce@linux-mips.org |
| User-agent: | Thunderbird 1.5.0.10 (Windows/20070221) |
Thiemo Seufer 写道: > Maybe. The 'mips3' maps to -march=r4000, it would assume more memory > latency and a slower integer divider then -march=r4600. > Just like Ralf has said, -march might not lead to significant performance difference, but -mtune= may. Two years ago, I found that adding a machine.def to descripe pipeline and resources for loongson2 and -mtune=loongson boost many programs by 2-5%。 > > Thiemo > > > |
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