search for: multipi

Displaying 9 results from an estimated 9 matches for "multipi".

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2011 Feb 07
1
how to return multipy matrix in a function
Hello I have a 100*100 matrix which is from a intensive computation, e.g. mat. Is there any method/function that return the max of every row and the subscript of maximum value simultaneously #define the function > returnfunction<-function(x){ + value<-apply(x,1,max) + index<-apply(x,1,which.max) + } > mat<-matrix(c(3,5,7,2,1,10,4,3,2),3)#initilize the matrix for test >
2010 Feb 17
2
udp stream multiply
Hello, Not strictly a CentOS question, but I hope someone can hint me in the right direction ... I have an incoming udp data stream to public interface that I want to duplicate and multipy to three or more destinations on the internal interface. Currently I've managed to put together netcat listener with output to pipe and socat reading from that pipe to a single destination. I hoped I
2018 Jul 23
3
[LoopVectorizer] Improving the performance of dot product reduction loop
Hello all, This code https://godbolt.org/g/tTyxpf is a dot product reduction loop multipying sign extended 16-bit values to produce a 32-bit accumulated result. The x86 backend is currently not able to optimize it as well as gcc and icc. The IR we are getting from the loop vectorizer has several v8i32 adds and muls inside the loop. These are fed by v8i16 loads and sexts from v8i16 to v8i32. The
2018 Jul 23
4
[LoopVectorizer] Improving the performance of dot product reduction loop
~Craig On Mon, Jul 23, 2018 at 4:24 PM Hal Finkel <hfinkel at anl.gov> wrote: > > On 07/23/2018 05:22 PM, Craig Topper wrote: > > Hello all, > > This code https://godbolt.org/g/tTyxpf is a dot product reduction loop > multipying sign extended 16-bit values to produce a 32-bit accumulated > result. The x86 backend is currently not able to optimize it as well as gcc
2018 Jul 23
2
[LoopVectorizer] Improving the performance of dot product reduction loop
On 07/23/2018 06:23 PM, Hal Finkel via llvm-dev wrote: > > On 07/23/2018 05:22 PM, Craig Topper wrote: >> Hello all, >> >> This code https://godbolt.org/g/tTyxpf is a dot product reduction >> loop multipying sign extended 16-bit values to produce a 32-bit >> accumulated result. The x86 backend is currently not able to optimize >> it as well as gcc and icc.
2018 Jul 24
4
[LoopVectorizer] Improving the performance of dot product reduction loop
On Tue, Jul 24, 2018 at 6:10 AM Hal Finkel <hfinkel at anl.gov> wrote: > > On 07/23/2018 06:37 PM, Craig Topper wrote: > > > ~Craig > > > On Mon, Jul 23, 2018 at 4:24 PM Hal Finkel <hfinkel at anl.gov> wrote: > >> >> On 07/23/2018 05:22 PM, Craig Topper wrote: >> >> Hello all, >> >> This code https://godbolt.org/g/tTyxpf
2018 Jul 24
2
[LoopVectorizer] Improving the performance of dot product reduction loop
On 07/24/2018 02:58 AM, Nema, Ashutosh wrote: > >   > >   > > *From:*Hal Finkel <hfinkel at anl.gov> > *Sent:* Tuesday, July 24, 2018 5:05 AM > *To:* Craig Topper <craig.topper at gmail.com>; hideki.saito at intel.com; > estotzer at ti.com; Nemanja Ivanovic <nemanja.i.ibm at gmail.com>; Adam > Nemet <anemet at apple.com>; graham.hunter at
2006 Sep 07
5
Conservative "ANOVA tables" in lmer
Dear lmer-ers, My thanks for all of you who are sharing your trials and tribulations publicly. I was hoping to elicit some feedback on my thoughts on denominator degrees of freedom for F ratios in mixed models. These thoughts and practices result from my reading of previous postings by Doug Bates and others. - I start by assuming that the appropriate denominator degrees lies between n
2008 Oct 15
0
R-help Digest, Vol 67, Issue 31
V; Sent via BlackBerry from T-Mobile -----Original Message----- From: r-help-request at r-project.org Date: Tue, 30 Sep 2008 12:00:06 To: <r-help at r-project.org> Subject: R-help Digest, Vol 67, Issue 31 Send R-help mailing list submissions to r-help at r-project.org To subscribe or unsubscribe via the World Wide Web, visit https://stat.ethz.ch/mailman/listinfo/r-help or, via email,