search for: vec1

Displaying 20 results from an estimated 30 matches for "vec1".

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2008 Dec 30
2
[LLVMdev] Folding vector instructions
...;min", the conversion involves in 'extract' the vector, create less-than-compare, create 'select' instruction, and create 'insert-element' instruction. <code> llvm::Value * Instructions::min(llvm::Value *in1, llvm::Value *in2) { std::vector<llvm::Value*> vec1 = extractVector(in1); // generate LLVM extract element std::vector<llvm::Value*> vec2 = extractVector(in2); Value *xcmp = m_builder.CreateFCmpOLT(vec1[0], vec2[0], name("xcmp")); Value *selx = m_builder.CreateSelect(xcmp, vec1[0], vec2[0],...
2013 Jun 18
1
transform 3 numeric vectors empty of 0/1
Dear all, Without a loop, I would like transform 3 numeric vectors empty of 0/1 of same length Vec1 : transform 1 to A and 0 to "" Vec2 : transform 1 to B and 0 to "" Vec3 : transform 1 to C and 0 to "" to obtain only 1 vector Vec who is the paste of the 3 vectors (Ex : ABC, BC, AC, AB,...) Any idea ? Thank you for your help -- Michel ARNAUD
2019 Nov 10
2
Reassociation is blocking a vectorization
...s, I am looking at the bug https://bugs.llvm.org/show_bug.cgi?id=43953 and found that following piece of ir %arrayidx = getelementptr inbounds float, float* %Vec0, i64 %idxprom %0 = load float, float* %arrayidx, align 4, !tbaa !2 %arrayidx2 = getelementptr inbounds float, float* %Vec1, i64 %idxprom %1 = load float, float* %arrayidx2, align 4, !tbaa !2 %sub = fsub fast float %0, %1 %add = fadd fast float %sum.0, %sub is transformed into %arrayidx = getelementptr inbounds float, float* %Vec0, i64 %idxprom %0 = load float, float* %arrayidx, align 4, !tbaa !2 %arrayidx2...
1999 Dec 16
2
R question
I have the following question, which is elementary but I am unable to answer. In a for(i=10) loop, I am trying to represent the 10 1-dimensional vectors l1, l2,... l10 by some expression that will run through these values. ie. soppose I want to add l1 + ... + l10 I could go x <- 0 for(i in 1:10){ x <- x+ l(i)} This should return x to be the sum of the 10 li's for i from 1 to 10
2008 Dec 30
2
[LLVMdev] [Mesa3d-dev] Folding vector instructions
...in 'extract' the vector, create > less-than-compare, create 'select' instruction, and create 'insert-element' > instruction. > > <code> > llvm::Value * Instructions::min(llvm::Value *in1, llvm::Value *in2) > { > std::vector<llvm::Value*> vec1 = extractVector(in1); // generate LLVM > extract element > std::vector<llvm::Value*> vec2 = extractVector(in2); > > Value *xcmp = m_builder.CreateFCmpOLT(vec1[0], vec2[0], name("xcmp")); > Value *selx = m_builder.CreateSelect(xcmp, vec1[0], vec2[0],...
2013 Sep 26
2
Help with list
I have a list that gives me the number of occurrences of numbers 1, 2, 3 and 4. Sometimes a single in a casa just appears 0 and 1, in others only 2, and every combination you can think of. Eg > Caso [1:2] $ `9` 0 1 2 10 $ `13` 0 2 2 4 Can I turn it into a matrix consisting of 4 columns in which I put the number of occurrences of the previous numbers, and for cases where it does
2007 Aug 28
1
Age-Length key with kimura algorith
Se ha borrado un texto insertado con un juego de caracteres sin especificar... Nombre: no disponible Url: https://stat.ethz.ch/pipermail/r-help/attachments/20070828/6641b572/attachment.pl
2000 Jun 17
2
R 1.1.0 for Windows
Windows binaries at CRAN (bin/windows/Windows-NT/base) have been updated to R-1.1.0. See below for a list of Windows-specific changes. We thanks all the people who checked over pre-test versions. guido masarotto (for the R-core team) Windows-specific changes to R ============================= There is now a GUI preferences editor on the Edit menu in Rgui. A data entry
2000 Jun 17
2
R 1.1.0 for Windows
Windows binaries at CRAN (bin/windows/Windows-NT/base) have been updated to R-1.1.0. See below for a list of Windows-specific changes. We thanks all the people who checked over pre-test versions. guido masarotto (for the R-core team) Windows-specific changes to R ============================= There is now a GUI preferences editor on the Edit menu in Rgui. A data entry
2013 Jul 02
2
Replacing strings to numbers
Hi guys, I was wondering if any one is able to help me on a problem that I was stuck with for a long time. It involves the replacement of character strings with numbers. The character string can take on only 3 possible values, for instance: AA AT TT I would want R to replace AT with 0. Between AA and TT, I want to compare the frequency of either value, and then for the one which occurs more, I
2016 Mar 11
3
masked-load endpoints optimization
...already does this, so either my proposal is ok for x86, or we're already doing an illegal optimization: define <4 x i32> @load_bonus_bytes(i32* %addr1, <4 x i32> %v) { %ld1 = load i32, i32* %addr1 %addr2 = getelementptr i32, i32* %addr1, i64 3 %ld2 = load i32, i32* %addr2 %vec1 = insertelement <4 x i32> undef, i32 %ld1, i32 0 %vec2 = insertelement <4 x i32> %vec1, i32 %ld2, i32 3 ret <4 x i32> %vec2 } $ ./llc -o - loadcombine.ll ... movups (%rdi), %xmm0 retq On Thu, Mar 10, 2016 at 10:22 PM, Nema, Ashutosh <Ashutosh.Nema at amd...
2013 Sep 26
2
Sums based on values of other matrix
Dear all, I have a big problem: - I got two matrices, A and B - A shows identifies the value of B, however the values of B must be summed - For instance, 1 1 2 2 2 2 1 1 gives matrix a 3 4 2 1 1 1 2 2 gives matrix b Now the result for the value 1 would be 7 4 which are the rowsums of the values of matrix B given that matrix A has the value 1. How can I do this automatically? I
2013 Jul 22
4
How to split two levels several times?
Hi, I have a small problem with the function split() and would appreciate your help. I have a table called ?XXX? with 2 columns and 49 rows. The 49 rows belong to 8 different levels (electrode1, ...,electrode8). I want to split the table always at the row where ?electrode1? starts again so that I can export 7 individual dataframes (numbered ?dataframe1? to ?dataframe7?) which contain always
2013 Jul 12
3
Needing help for excluding vector elements
Hello, R for Dummies. How can I exclude the first 1000 values of a vector (length 12000)? More generally all the values up to the ith? Thanks for your help, Dr Olivier Charansonney Cardiologue Centre Hospitalier Sud-Francilien, Corbeil-Essonnes, France [[alternative HTML version deleted]]
2013 Sep 02
3
Product of certain rows in a matrix
Hi, You could try: A<- matrix(unlist(read.table(text=" 1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1 ",sep="",header=FALSE)),ncol=3,byrow=FALSE,dimnames=NULL) library(matrixStats) ?res1<-t(sapply(split(as.data.frame(A),as.numeric(gl(nrow(A),2,6))),colProds)) ?res1 #? [,1] [,2] [,3] #1??? 4?? 10?? 18 #2?? 63?? 64?? 63 #3?? 18?? 10??? 4
2013 Sep 05
2
binary symmetric matrix combination
...0 0 0 1 1 0 0 s2 1 0 0 0 0 1 0 1 0 0 s30 1 0 0 0 0 1 1 0 0 0 e5 1 0 0 0 0 0 0 0 0 1 l15 1 0 0 0 0 0 0 0 1 0",sep="",header=TRUE)) names1<-unique(c(colnames(m1),colnames(m2),colnames(m3),colnames(m4))) Out2<-matrix(0,length(names1),length(names1),dimnames=list(names1,names1)) vec1<- paste0(colnames(m1)[col(m1)],rownames(m1)[row(m1)]) vecOut<- paste0(colnames(Out2)[col(Out2)],rownames(Out2)[row(Out2)]) Out2[match(vec1,vecOut)]<- m1 vec2<- paste0(colnames(m2)[col(m2)],rownames(m2)[row(m2)]) Out2[match(vec2,vecOut)]<- m2 vec3<- paste0(colnames(m3)[col(m3)],row...
2016 Mar 15
3
the as-if rule / perf vs. security
...al is ok > for x86, or we're already doing an illegal optimization: > > > define <4 x i32> @load_bonus_bytes(i32* %addr1, <4 x i32> %v) { > %ld1 = load i32, i32* %addr1 > %addr2 = getelementptr i32, i32* %addr1, i64 3 > %ld2 = load i32, i32* %addr2 > %vec1 = insertelement <4 x i32> undef, i32 %ld1, i32 0 > %vec2 = insertelement <4 x i32> %vec1, i32 %ld2, i32 3 > ret <4 x i32> %vec2 > } > > $ ./llc -o - loadcombine.ll > ... > movups (%rdi), %xmm0 > retq > > > > > On Thu, Mar 1...
2013 Aug 26
4
transform variables
Dear all! I have a data frame composed by 13 columns (year, and 12 months). I want to transform this data base in another like this year month values 1901 1 1901 2 1901 3 ..... 1901 12 1902 1 1902 2 .... 1902 12 Is there a possibility to succeed that in R? Thank you! best regards! CR -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str.
2006 Jun 23
2
Tetrachoric correlation in R vs. stata
I hope someone here knows the answer to this since it will save me from delving deep into documentation. Based on 22 pairs of vectors, I have noticed that tetrachoric correlation coefficients in stata are almost uniformly higher than those in R, sometimes dramatically so (TCC=.61 in stata, .51 in R; .51 in stata, .39 in R). Stata's estimate is higher than R's in 20 out of 22
2013 Oct 17
42
[PATCH v8 0/19] enable swiotlb-xen on arm and arm64
Hi all, this patch series enables xen-swiotlb on arm and arm64. It has been heavily reworked compared to the previous versions in order to achieve better performances and to address review comments. We are not using dma_mark_clean to ensure coherency anymore. We call the platform implementation of map_page and unmap_page. We assume that dom0 has been mapped 1:1 (physical address == machine