Displaying 9 results from an estimated 9 matches for "m1s".
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m1
2009 Jul 18
0
[LLVMdev] speed and code size issues
...since each function represents some significant failure to
optimize.
The global maximally embarrasing function is one where various versions of
gcc (including llvm-gcc) emit code returning constant 0 and clang emits
762 bytes of x86. The C code is this:
int ZZ_00005bbd(int x,int y){return m1s((x?0:x),a8s(y,y));}
The other embarrassing thing about these functions is that most compilers
miscompile some of the 7 million functions. llvm-gcc and clang are the
only ones we tested that actually get them all right.
To compile these functions this code needs to be prepended:
#include &l...
2006 Jul 02
18
JOIN conditions
Hi,
how can I get Rails to generate SQL queries with conditions in the JOIN clause?
What I would want is:
SELECT * FROM people p
LEFT OUTER JOIN jobs j (p.job_id = j.id AND j.salary > 9999999)
I tried
People.find(:all, :include => ''jobs'', :conditions => ''jobs.salary > 9999999'')
but that generates
SELECT * FROM people p
LEFT OUTER
1998 Aug 26
2
Printing NT to Linux w\Cannon bjc-4000
I am able to see my printer as a share. Well better put, I see four
representations of my printer: ascii, lp2, lp-mono, and raw. I tried
the naive thing and just selected lp2 and added the cannon bjc 4000
driver for NT. This didn't work. I get an error report:
%%[ Error: undefined; offending Command: K ]%% . . . a bunch of strings
that I don't understand. This does not look like the
2009 Jul 17
9
[LLVMdev] speed and code size issues
So it would appear that llvm-gcc and clang are both slower than
gcc4 which is infamous for being slow at compiling code, and
yes this is with a release build/--enable-optimizations.
This seems to go against notes such as
http://clang.llvm.org/features.html#performance
which claim clang is signifcantly faster than gcc.
Below are some times and the larger object files when
compiling an i386
2009 Jul 18
1
[LLVMdev] speed and code size issues
...e significant failure to
> optimize.
>
> The global maximally embarrasing function is one where various versions of
> gcc (including llvm-gcc) emit code returning constant 0 and clang emits
> 762 bytes of x86. The C code is this:
>
> int ZZ_00005bbd(int x,int y){return m1s((x?0:x),a8s(y,y));}
>
> The other embarrassing thing about these functions is that most compilers
> miscompile some of the 7 million functions. llvm-gcc and clang are the
> only ones we tested that actually get them all right.
>
> To compile these functions this code needs to...
2009 Jul 18
2
[LLVMdev] speed and code size issues
...ts some significant failure to
> optimize.
>
> The global maximally embarrasing function is one where various versions of
> gcc (including llvm-gcc) emit code returning constant 0 and clang emits
> 762 bytes of x86. The C code is this:
>
> int ZZ_00005bbd(int x,int y){return m1s((x?0:x),a8s(y,y));}
>
> The other embarrassing thing about these functions is that most compilers
> miscompile some of the 7 million functions. llvm-gcc and clang are the
> only ones we tested that actually get them all right.
>
> To compile these functions this code needs to be...
2001 Jan 23
7
Multichannel Encoding
I'm a mathematician and programmer working on experimental surround sound
techniques. Some of the ideas I'm working on require dozens of channels.
These channels are often highly correlated and are very well suited to
compression.
I'm new to Vorbis. Does it attempt to address such issues?
Thanks,
--Richard
--- >8 ----
List archives: http://www.xiph.org/archives/
Ogg project
2008 Jun 30
4
Rebuild of kernel 2.6.9-67.0.20.EL failure
Hello list.
I'm trying to rebuild the 2.6.9.67.0.20.EL kernel, but it fails even without
modifications.
How did I try it?
Created a (non-root) build environment (not a mock )
Installed the kernel.scr.rpm and did a
rpmbuild -ba --target=`uname -m` kernel-2.6.spec 2> prep-err.log | tee
prep-out.log
The build failed at the end:
Processing files: kernel-xenU-devel-2.6.9-67.0.20.EL
Checking