search for: mavx256

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2015 Mar 11
2
Notes on building a gcc toolchain for Rtools (but not multilib)
...w the C++11 standard, > it would still be useful to document this, perhaps in the Writing R > Extensions manual. > > - Hsiu-Khuern Hello, Hsiu-Khuern. All the times I have built, I've passed -std-gnu++11. Specifically, I pass: -march=native -O3 -mfpmath=sse -std=gnu++11 -msse2avx -mavx256-split-unaligned-load -mavx256-split-unaligned-store -mvzeroupper --param l1-cache-line-size=64 --param l1-cache-size=64 --param l2-cache-size=256. I live with the repeated warnings that it isn't needed for gcc, but I know it takes as I see the same string (gnu++11) passed when I build Rcpp from...
2015 Mar 10
3
Notes on building a gcc toolchain for Rtools (but not multilib)
Hi Duncan, On Mon, Mar 9, 2015 at 10:40 AM, Duncan Murdoch <murdoch.duncan at gmail.com> wrote: > On 09/03/2015 11:07 AM, Hsiu-Khuern Tang wrote: >> >> On Mon, Mar 9, 2015 at 3:50 AM, Duncan Murdoch <murdoch.duncan at gmail.com> >> wrote: >> > On 08/03/2015 10:02 PM, Hsiu-Khuern Tang wrote: >> >> Hi, >> >> >> >> [This
2015 Mar 11
1
Notes on building a gcc toolchain for Rtools (but not multilib)
...s in the Writing R >>> Extensions manual. >>> >>> - Hsiu-Khuern >> >> Hello, Hsiu-Khuern. >> >> All the times I have built, I've passed -std-gnu++11. Specifically, I >> pass: -march=native -O3 -mfpmath=sse -std=gnu++11 -msse2avx >> -mavx256-split-unaligned-load -mavx256-split-unaligned-store >> -mvzeroupper --param l1-cache-line-size=64 --param l1-cache-size=64 >> --param l2-cache-size=256. >> ... > > Interesting. I tested the use of -O0, ..., -O3 together with > -std=gnu++11. With -O0 (which I suppose is...
2015 Mar 11
0
Notes on building a gcc toolchain for Rtools (but not multilib)
...l be useful to document this, perhaps in the Writing R >> Extensions manual. >> >> - Hsiu-Khuern > > Hello, Hsiu-Khuern. > > All the times I have built, I've passed -std-gnu++11. Specifically, I > pass: -march=native -O3 -mfpmath=sse -std=gnu++11 -msse2avx > -mavx256-split-unaligned-load -mavx256-split-unaligned-store > -mvzeroupper --param l1-cache-line-size=64 --param l1-cache-size=64 > --param l2-cache-size=256. > ... Interesting. I tested the use of -O0, ..., -O3 together with -std=gnu++11. With -O0 (which I suppose is the default if not specifi...
2015 Mar 09
1
Notes on building a gcc toolchain for Rtools (but not multilib)
On Sun, Mar 8, 2015 at 8:33 PM, Avraham Adler <avraham.adler at gmail.com> wrote: > > Thank you for the update, Hsiu-Khuern. Can you check how many digits > scientific notation shows? I was able to build a 64bit version of R > using the mingw64 4.8.4 distro, but ran into trouble with compat.c, > and the only work-around I found ended breaking R's defualt two digit >
2015 Mar 11
2
Notes on building a gcc toolchain for Rtools (but not multilib)
On Tue, Mar 10, 2015 at 3:17 PM, Duncan Murdoch <murdoch.duncan at gmail.com> wrote: > > That's a bug. I haven't tracked down what's going wrong with our > regular code. If I can't find that and fix it soon, I'll make Internet2 > the default. For now, you can do it yourself using the instructions on > ?setInternet2. > > Duncan Murdoch I