[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation
From: |
Artyom Tarasenko |
Subject: |
Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation |
Date: |
Thu, 10 Sep 2015 09:00:59 +0200 |
On Thu, Sep 10, 2015 at 8:07 AM, Dennis Luehring <address@hidden> wrote:
> Am 08.09.2015 um 21:00 schrieb Richard Henderson:
>>
>> Anyway, I've just fixed the sparc problem and re-pushed the tree to
>>
>> git://github.com/rth7680/qemu.git tcg-search-2
>>
>> for anyone who wants to do any more testing.
>
>
> strangly your branch doesn't changed anything for pure SPARC64 in my tests -
> i've always completely removed the qemu folder and cleanly rebuild
> (all based on stable shell-scripts)
Can you please show "perf top" of the qemu-system-sparc64 process on
the host, when your g++ compilation is running?
Artyom
> and now even qemu git master stream results degrated to the worst results
> from my former tests
>
> last result from stream on an 3-4 week old git master - best of all test
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 771.5 0.214717 0.207377 0.244214
> Scale: 288.1 0.573320 0.555401 0.660161
> Add: 423.5 0.633523 0.566661 1.092067
> Triad: 242.9 1.053032 0.987970 1.499563
>
> are parts of your patches already includes in the master?
>
> ~/qemu/sparc64-softmmu/qemu-system-sparc64 \
> -m 1G \
> -nographic \
> -serial mon:telnet::3000,server,wait \
> -monitor telnet::4440,server,nowait \
> -netdev user,id=mynet0 \
> -device ne2k_pci,netdev=mynet0 \
> -hda ~/ramdisk/netbsd-615-sparc64.qcow2 \
> -cdrom ~/netbsd/NetBSD-6.1.5-sparc64.iso -boot c \
>
> NetBSD SPARC64 (pure 64Bit)
>
> file /usr/bin/gcc
> /usr/bin/gcc: ELF 64-bit MSB executable, SPARC V9, relaxed memory ordering,
> (SYSV), dynamically linked (uses shared libs), for NetBSD 6.1.5, not
> stripped
>
> gcc prime.c -o prime.out -lm
> file prime.out
> prime.out: ELF 64-bit MSB executable, SPARC V9, relaxed memory ordering,
> (SYSV), dynamically linked (uses shared libs), for NetBSD 6.1.5, not
> stripped
>
> gcc stream.c -o stream.out -lm
> file stream.out
> stream.out: ELF 64-bit MSB executable, SPARC V9, relaxed memory ordering,
> (SYSV), dynamically linked (uses shared libs), for NetBSD 6.1.5, not
> stripped
>
> qemu rth7680 tcg-search-2
>
> cd ~/
> rm -rf qemu
> git clone git://github.com/rth7680/qemu.git
> git checkout tcg-search-2
> cd qemu
> ./configure --target-list=sparc64-softmmu
> make
>
> prime.out runtimes
>
> 11.22 real 11.19 user 0.00 sys
> 8.99 real 8.96 user 0.01 sys
> 9.03 real 8.99 user 0.01 sys
> 8.98 real 8.92 user 0.02 sys
>
> stream benchmark results
>
> #1
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 277.5 0.584221 0.576543 0.599850
> Scale: 178.4 0.915691 0.896731 0.973512
> Add: 215.3 1.136872 1.114746 1.185749
> Triad: 166.5 1.473816 1.441169 1.525007
>
> #2
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 278.1 0.577109 0.575259 0.583267
> Scale: 179.3 0.901238 0.892399 0.911371
> Add: 215.2 1.124701 1.115341 1.176286
> Triad: 167.0 1.448070 1.437424 1.457319
>
> #3
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 276.5 0.580420 0.578757 0.583966
> Scale: 179.8 0.898168 0.889899 0.903530
> Add: 212.7 1.130851 1.128318 1.136284
> Triad: 164.1 1.464667 1.462173 1.467856
>
> #4
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 276.0 0.580713 0.579757 0.583575
> Scale: 177.8 0.906521 0.899661 0.910353
> Add: 213.9 1.124599 1.122229 1.128944
> Triad: 166.0 1.450210 1.446169 1.457350
>
> g++ src/pugixml.cpp -g -Wall -Wextra -Werror -pedantic -std=c++0x -c -MMD
> -MP
>
> compile times
> 156.49 real 149.09 user 6.97 sys
> 156.54 real 149.01 user 6.86 sys
> 155.91 real 148.71 user 6.93 sys
> 156.51 real 149.12 user 6.83 sys
>
> qemu git master
>
> cd ~/
> rm -rf qemu
> git clone git://git.qemu-project.org/qemu.git
> cd qemu
> ./configure --target-list=sparc64-softmmu
> make
>
> prime.out runtimes
>
> 9.32 real 9.26 user 0.03 sys
> 8.98 real 8.92 user 0.04 sys
> 8.97 real 8.93 user 0.02 sys
> 9.00 real 8.97 user 0.02 sys
>
> stream benchmark results
>
> #1
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 276.6 0.584092 0.578538 0.592748
> Scale: 179.0 0.908465 0.893868 0.924004
> Add: 215.5 1.122398 1.113689 1.128655
> Triad: 167.6 1.449198 1.432321 1.457774
>
> #2
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 276.8 0.579905 0.577936 0.585222
> Scale: 177.6 0.916502 0.900911 0.924964
> Add: 213.0 1.128311 1.126591 1.132405
> Triad: 167.7 1.441520 1.431449 1.447586
>
> #3
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 278.4 0.576423 0.574611 0.580779
> Scale: 179.4 0.899889 0.892094 0.904380
> Add: 215.6 1.117374 1.112954 1.128532
> Triad: 165.1 1.457329 1.453899 1.465867
>
> #4
> Function Best Rate MB/s Avg time Min time Max time
> Copy: 278.1 0.578641 0.575289 0.586838
> Scale: 178.7 0.903208 0.895518 0.907769
> Add: 210.8 1.144200 1.138318 1.156063
> Triad: 165.2 1.459674 1.453116 1.479194
>
> g++ src/pugixml.cpp -g -Wall -Wextra -Werror -pedantic -std=c++0x -c -MMD
> -MP
>
> compile times
> 156.85 real 148.98 user 7.17 sys
> 157.05 real 149.99 user 6.78 sys
> 157.48 real 150.25 user 6.92 sys
> 156.50 real 149.06 user 6.60 sys
>
--
Regards,
Artyom Tarasenko
SPARC and PPC PReP under qemu blog: http://tyom.blogspot.com/search/label/qemu
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, (continued)
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Dennis Luehring, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation,
Artyom Tarasenko <=
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Dennis Luehring, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Artyom Tarasenko, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Dennis Luehring, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Paolo Bonzini, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Dennis Luehring, 2015/09/10
- Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Artyom Tarasenko, 2015/09/10
Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Peter Maydell, 2015/09/10
Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Aurelien Jarno, 2015/09/10
Re: [Qemu-devel] [RFC 00/20] Do away with TB retranslation, Alex Bennée, 2015/09/10