From: Paolo Bonzini <pbonzini@redhat.com>
To: Tom Musta <tommusta@gmail.com>, qemu-devel@nongnu.org
Cc: agraf@suse.de
Subject: Re: [Qemu-devel] [PATCH v2 00/14] TCG ppc speedups
Date: Fri, 19 Sep 2014 17:16:33 +0200 [thread overview]
Message-ID: <541C48D1.8050403@redhat.com> (raw)
In-Reply-To: <541B440F.4080000@gmail.com>
Il 18/09/2014 22:43, Tom Musta ha scritto:
> I also attempted to identify the speedup of just these patches. My
> test was booting an Ubunutu 14.04 (PPC64LE) image to the login
> prompt, checking some of the timestamps along the way. I was able to
> observe a speedup on a modest sized laptop (x86) host -- about 2%. I
> did not see any difference on a Power7 host.
>
You probably can get a higher speedup on user-mode emulation. I saw a
much smaller difference on my old G4 laptop too, compared to x86.
Paolo
next prev parent reply other threads:[~2014-09-19 15:17 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-15 15:03 [Qemu-devel] [PATCH v2 00/14] TCG ppc speedups Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 01/14] ppc: do not look at the MMU index to detect PR/HV mode Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 02/14] softmmu: support up to 12 MMU modes Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 03/14] target-ppc: use separate indices for various translation modes Paolo Bonzini
2014-09-16 17:20 ` Tom Musta
2014-09-16 18:02 ` Richard Henderson
2014-09-16 18:27 ` Paolo Bonzini
2014-09-16 18:41 ` Richard Henderson
2014-09-16 22:23 ` Richard Henderson
2014-09-17 6:22 ` Paolo Bonzini
2014-09-17 8:53 ` Paolo Bonzini
2014-09-17 15:33 ` Richard Henderson
2014-09-17 15:50 ` Paolo Bonzini
2014-09-17 15:55 ` Richard Henderson
2014-09-16 18:49 ` Peter Maydell
2014-09-16 22:13 ` Richard Henderson
2014-09-15 15:03 ` [Qemu-devel] [PATCH 04/14] ppc: introduce ppc_get_cr and ppc_set_cr Paolo Bonzini
2014-09-18 19:24 ` Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 05/14] ppc: use CRF_* in fpu_helper.c Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 06/14] ppc: introduce helpers for mfocrf/mtocrf Paolo Bonzini
2014-09-18 19:32 ` Tom Musta
2014-09-18 21:01 ` Richard Henderson
2014-09-15 15:03 ` [Qemu-devel] [PATCH 07/14] ppc: reorganize gen_compute_fprf Paolo Bonzini
2014-09-18 19:48 ` Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 08/14] ppc: introduce gen_op_mfcr/gen_op_mtcr Paolo Bonzini
2014-09-18 19:49 ` Tom Musta
2014-09-18 21:38 ` Richard Henderson
2014-09-19 13:31 ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 09/14] ppc: introduce ppc_get_crf and ppc_set_crf Paolo Bonzini
2014-09-18 19:51 ` Tom Musta
2014-09-19 14:52 ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 10/14] ppc: use movcond for isel Paolo Bonzini
2014-09-18 20:05 ` Tom Musta
2014-09-15 15:03 ` [Qemu-devel] [PATCH 11/14] ppc: store CR registers in 32 1-bit registers Paolo Bonzini
2014-09-18 20:25 ` Tom Musta
2014-09-19 13:53 ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 12/14] ppc: use movcond to implement evsel Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 13/14] ppc: inline ppc_set_crf when clearer Paolo Bonzini
2014-09-18 20:33 ` Tom Musta
2014-09-19 13:51 ` Paolo Bonzini
2014-09-15 15:03 ` [Qemu-devel] [PATCH 14/14] ppc: dump all 32 CR bits Paolo Bonzini
2014-09-18 20:43 ` [Qemu-devel] [PATCH v2 00/14] TCG ppc speedups Tom Musta
2014-09-19 15:16 ` Paolo Bonzini [this message]
2014-11-03 11:56 ` Alexander Graf
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