Displaying 3 results from an estimated 3 matches for "particular_".
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2010 Nov 21
0
[LLVMdev] Poor floating point optimizations?
I'm aware that there are IEEE requirements for floating point. But all C/C++
compilers like GCC or MSVC have unsafe/fast math switches that disable all
problems related to NaN/Inf/+-0/precision etc because in some applications those
are not as important as performance (for example graphics calculation).
But as I understand, LLVM currently does not have such unsafe/fast math
optimizations
2010 Nov 21
2
[LLVMdev] Poor floating point optimizations?
Hi Bob,
> For example expressions like "1+x+1+x+1+x+1+x" (basically adding a lot of
> constants and variables) are complied to a long series off<add>s both in IR
> and
> assembly code.
> Both GCC and MSVC generates C1*x +C2 (mov + mul + add).
>
> I am new to using LLVM. I am using Visual Studio 2008 on Windows, targeting
> 32-bit X86 code. I'm using
2008 Aug 08
2
Tick marks that correspond with bars on barplot
Hello all,
I have created a barplot that shows change in hardwood/softwood density from 1965 to 2005 in 5 year periods (1965,1970, etc). I would like to have an X-axis where the labels for the years line up after every two bars in the plot (there is one bar for hardwood, and another for softwood). Below is my script:
density<-read.table("F:\\Megan\\Vtest.csv", header=TRUE,