search for: dup

...tp://www.annexia.org/fedora_mingw -------------- next part -------------- >From 8f1b06f64807239d4b4c923af4db8626a866ff6f Mon Sep 17 00:00:00 2001 From: Richard Jones <rjones at trick.home.annexia.org> Date: Wed, 19 Aug 2009 09:37:44 +0100 Subject: [PATCH] guestfs_launch: Correct checks for dup failure. --- src/guestfs.c | 14 +++++++------- 1 files changed, 7 insertions(+), 7 deletions(-) diff --git a/src/guestfs.c b/src/guestfs.c index 58a0354..04bd4e8 100644 --- a/src/guestfs.c +++ b/src/guestfs.c @@ -1165,16 +1165,16 @@ guestfs_launch (guestfs_h *g) close (wfd[1]); clos...

...C function, see below. Is there anything I'm missing that can explain this input-size dependent latency? The only reason I can think of is that these vectors are being copied along the way. What follows is both the R and C code which I use only for testing and a plot of both measurements with DUP=TRUE and DUP=FALSE: (RED: DUP=FALSE, GREEN: DUP=TRUE) http://www.nabble.com/file/p20368695/CandR.png R code: ---------- # sequence from 512 to 2^23 with 2^17 stepsize a <- seq(512, 2^23, 2^17) # storage for wall time h <- length(a); j <- length(a) for (i in 1:length(a)) { x &lt...

I´ve several packages for latent class analysis, but I was wondering if there is a package for continuos variables, which allows latent prfile analysis. Thanks for your help in advance, J Toledo _________________________________________________________________ cial-network-basics.aspx?ocid=PID23461::T:WLMTAGL:ON:WL:en-xm:SI_SB_1:092 [[alternative HTML version deleted]]

I am having some difficulty understanding the implication of lazy evaluation mixed with DUP=F in a .Fortran call. In qr.qty from base DUP is not used as an argument so defaults to T. I am calling qr.qty with a very large array and would like to set DUP=F in the .Fortran call so that qr.qty would be defined as copied below. Is there some risk that a variable used as the argument in the or...

I put the idea below into a function that gives nicer looking results. Here's the new code: dupnames <- function(path = ".") { Rfiles <- pkgload:::find_code(path) allnames <- data.frame(names=character(), filename=character(), line = numeric()) result <- NULL for (f in Rfiles) { exprs <- parse(f, keep.source = TRUE) locs <- getSrcLocation(ex...

...t;- runif(50000) > u2 <- runif(50000) > gc() free total Ncells 96534 200000 Vcells 114006 250000 debug(hist.default) quickly revealed that the error was produced when .C("bincount",....) was called. Looking at the help, help(.C) and then at the "DUP = TRUE" default argument to .C(.), I was reminded that every argument is first copied before being passed to bincount(). Setting the "DUP = FALSE" argument in hist.default made it work with the above 50000 doubles. But then I wondered ``more generally'' : What exactly hap...

Full_Name: Martin Schlather Version: R version 2.7.0 Under development (unstable) (2007-10-01 r43043) OS: Linux Submission from: (NULL) (91.3.209.203) Hi, There are 2 dangers with using 'DUP=FALSE' mentioned: * formal arguments * lists Would you also mention a third one, namely that values in R are now only referenced whenever possible and not always copied; hence .C(..., DUP=FALSE) may change the values of other local variables. E.g., with C code void addone(double *x...

Hi, I am trying to identify duplicate values in a column in a date frame. The duplicated function identifies the duplicate rows in the data frame but it only does this for the second record, not both records. Is there a way to mark both rows in the data frame as TRUE? dfA$dups<-duplicated(dfA$Value) dfA Site State Value dups...

Hi All, I have a 75GB collection of data, including a lot of duplicated files, on a NTFS network drive. I want to backup that data across a DSL link to a Linux host. Currently I use cwrsync on a Windows machine to act as server to the Linux rsync client. I want to avoid transferring duplicated data, as the DSL link is a far more significant factor than comp...

...1m5.552s user 0m0.000s sys 0m2.102s $ time sync real 1m16.830s user 0m0.001s sys 0m1.490s $ df -h / /home Filesystem Size Used Avail Use% Mounted on /dev/root 47G 33G 7.7G 82% / /dev/sdb5 652G 216G 421G 34% /home $ btrfs fi df / Data: total=35.48GB, used=29.86GB System, DUP: total=16.00MB, used=12.00KB System: total=4.00MB, used=0.00 Metadata, DUP: total=4.50GB, used=1.67GB $ btrfs fi df /home Data: total=310.01GB, used=209.53GB System, DUP: total=8.00MB, used=48.00KB System: total=4.00MB, used=0.00 Metadata, DUP: total=11.00GB, used=2.98GB Metadata: total=8.00MB, us...

...ad stdout from ssh, weren't seeing EOF from the remote session.? It was being sent, but lost.? I tracked it down to the following code, in ssh.c, at ssh_session2_open: ??????? if (stdin_null_flag) { ??????????????? in = open(_PATH_DEVNULL, O_RDONLY); ??????? } else { ??????????????? in = dup(STDIN_FILENO); ??????? } ??????? out = dup(STDOUT_FILENO); ??????? err = dup(STDERR_FILENO); The remote session did close stdout.? The sshd from which it was spawned signaled to close stdout.? The ssh program received that signal and closed, well, something, but not stdout.? It closed a copy....

...+-operator for aes (i.e. uneval) objects (as there is for themes and gg objects)? I had a couple of cases where such an operator would be useful, for instance to combine the result of aes and aes_string in functions. Any flaws with the following proposition: `+.uneval` <- function(e1, e2) { dup <- names(e1) %in% names(e2) if (any(dup)) { duplist <- paste(sQuote(names(e1)[dup]), collapse = ", ") msg <- sprintf(ngettext(length(dup), "element %s occurs in both summands - second one gets precedence", "elements %...

On Tuesday 06 February 2001 12:36, Dr. Jens Oehlschlägel wrote: > I like the idea. Why don't you call duplicated.matrix() directly in > unique.matrix() and duplicated.data.frame() in unique.data.frame() ? > > Jens Oehlschlägel Good point. I guess I got carried away with using methods (having just gotten the hang of the concept). :-) Anyway, here's a corrected version: -----------------...

I've been using ssh without it duping stdout and stderr, and had no problems.? I think this change should be made to the master source. WHAT IS THE PROBLEM WITH SSH RIGHT NOW? It duplicates FILENO_STDOUT and FILENO_STDERR, thus there are two descriptors for each of these files.? When the remote program closes its stdout or stder...

Hi Everyone, I have a piece of C code that uses R_alloc, and so I set DUP=TRUE in the call using ".C". As I understand it this takes a copy of each object passed to my function. If these objects are large then this could be expensive. My question is, if I rewrote the code to use .Call, would I avoid this duplication by using the objects themselves (they are...

...perror ("pipe failed"); + return -1; + } pid = fork (); if (pid == -1) { perror ("fork"); @@ -760,7 +766,10 @@ issue_command (const char *cmd, char *argv[], const char *pipecmd) if (pid == 0) { /* Child process. */ close (fd[1]); - dup2 (fd[0], 0); + if (dup2 (fd[0], 0) < 0) { + perror ("dup2 of stdin failed"); + _exit (1); + } r = system (pipecmd); if (r == -1) { @@ -770,9 +779,16 @@ issue_command (const char *cmd, char *argv[], const char *pipecmd) _exit (WEXITSTATUS (r...

Hi All, I used the following script from the dtrace manual to measure how long a particular process runs on the cpu. Modified it to look at the exact timestamps: [i] sched:::on-cpu { self->ts = timestamp; printf("on=%d\n", self->ts) } sched:::off-cpu /self->ts/ { printf("off=%d\n", timestamp) self->ts = 0; } [/i] The output looks like this: [i]on=24591 off=24603

...ting target for module 'No available targets are compatible with this triple, see -version for the available targets.'. Please use the -march option to explicitly pick a target. - -- ******************** Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90 FAIL: LLVM :: Transforms/TailDup/if-tail-dup.ll (5207 of 5496) ******************** TEST 'LLVM :: Transforms/TailDup/if-tail-dup.ll' FAILED ******************** Script: - -- opt < /home/llvm/work/src/llvm-2.8/test/Transforms/TailDup/if-tail-dup.ll -tailduplicate | llc -march=x86 -o /home/llvm/work/src/llvm-2.8/test/T...

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...g down some hard-to-reproduce bugs in a package I maintain, I stumbled on a behavior change between R 2.15.0 and the current R-devel (or SVN trunk). In 2.15.0 and earlier, if you passed an 0-length vector of the right mode (e.g., double(0) or integer(0)) as one of the arguments in a .C() call with DUP=TRUE (the default), the C routine would be passed NULL (the C pointer, not R NULL) in the corresponding argument. The current development version instead passes it a pointer to what appears to be memory location immediately following the the SEXP that holds the metadata for the argument. If the arg...