similar to: Package compiler - efficiency problem

Dear Thomas, thank you for prompt response and taking interest in this issue. I really appreciate your compiler project and efficiency gains in usual case. I am aware of limitations of interpreted languages too and because of that even when writing my first mail I had a hunch that it is not that easy to address this problem. As you mentioned optimisation of compiler for handling non-standard

Dear Karol, I don't understand the models behind these function, but I can tell that the code generated is very inefficient. The AST interpreter will be very inefficient performing each scalar computation with all boxing, allocations, function calls. The byte-code compiler removes some of the boxing and allocation. While it could certainly compile faster, it will always be taking long

Dear Karol, thank you for the report. I can reproduce that the function from you example takes very long to compile and I can see where most time is spent. The compiler is itself written in R and requires a lot of resources for large functions (foo() has over 16,000 lines of code, nearly 1 million of instructions/operands, 45,000 constants). In particular a lot of time is spent in garbage

On Fri, Jul 17, 2020 at 1:54 AM Bjorn Helgaas <helgaas at kernel.org> wrote: > > [+cc Sasha -- stable kernel regression] > [+cc Patrick, Kai-Heng, LKML] > > On Fri, Jul 17, 2020 at 12:10:39AM +0200, Karol Herbst wrote: > > On Tue, Jul 7, 2020 at 9:30 PM Karol Herbst <kherbst at redhat.com> wrote: > > > > > > Hi everybody, > > > > >

On Tue, Jul 7, 2020 at 9:30 PM Karol Herbst <kherbst at redhat.com> wrote: > > Hi everybody, > > with the mentioned commit Nouveau isn't able to load firmware onto the > GPU on one of my systems here. Even though the issue doesn't always > happen I am quite confident this is the commit breaking it. > > I am still digging into the issue and trying to figure out

Dear All, Can anyone please tell me where I can obtain uncompiled binary instalation files for R version 1.8. (i.e. rw1080.exe)? I can only find the uncompiled source code on CRAN today. Thank you, Mary Wisz msw@dmu.dk [[alternative HTML version deleted]]

https://bugs.freedesktop.org/show_bug.cgi?id=50175 Bug #: 50175 Summary: [regression kernel 3.4] : nouveau detects internal laptop display as "disconnected" / screen is turned off Classification: Unclassified Product: xorg Version: unspecified Platform: x86-64 (AMD64) OS/Version:

R-developers, I've encountered another perl library regex bug that causes a segmentation faults on my Linux/Windows R session. I reduced the script to the snippet below. (Apologies if this was fixed with bug 7479, but this bug seems quite different). string <- paste(rep("=", 10000), collapse = " ") crash <- function(x) { for (i in 1:5) { x <-

On Wed, Feb 11, 2015 at 05:18:27PM +0100, Volker Lendecke wrote: > On Wed, Feb 11, 2015 at 10:04:03AM -0500, Thomas Schulz wrote: > > > On Wed, Feb 11, 2015 at 11:13:42AM +0100, Volker Lendecke wrote: > > > > On Tue, Feb 10, 2015 at 08:59:21PM -0800, Jeremy Allison wrote: > > > > > Ah ok - I expected as much. snprintf seems to be > > > > >

> On Wed, Feb 11, 2015 at 11:13:42AM +0100, Volker Lendecke wrote: > > On Tue, Feb 10, 2015 at 08:59:21PM -0800, Jeremy Allison wrote: > > > Ah ok - I expected as much. snprintf seems to be > > > broken in that it's returning -1. > > > > > > Is this our snprintf or one from Solaris ? Can > > > you try and track down why it's returning

Hi all, I'd like to make use of some specific x86 Streaming SIMD Extension instructions, but I don't know where to start. For instance the 'rcpps' instructions computes a low precision but fast reciprocal. I've noticed that LLVM supports intrinsics, but I couldn't find any information on how to use them. I've tried digging through the LLVM-GCC code but it's just

Dear R List, I want to download kinship_1.2_S.tar.gz in http://mayoresearch.mayo.edu/mayo/research/biostat/splusfunctions.cfm to R. Once save this file to C:\, how I could load into R? I am working in Windows XP. Usually what I do is, I go to "packages" and then "install packages from local zip files". This procedure fails for .tar.gz files. Can someone help here please....

nouveau_debugfs(drm) will never be NULL, because we're taking the value of the potentially null device pointer and adding to it so it isn't 0x0. So, check if drm is NULL instead. Signed-off-by: Lyude Paul <lyude at redhat.com> Cc: Karol Herbst <karolherbst at gmail.com> --- drivers/gpu/drm/nouveau/nouveau_debugfs.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)

Hello, i have a server (486sx and 16ram). It gives me this error : NETDEVICE WATCHDOG eth1 : ...timeout. I checked in many places for solutions. Even wrote to this mailinglist. But lately i recived information, that too much upload may mix my adsl modem up. So..... my question is how should my script look while the situation is : eth0 - connected to adsl modem and thus to internet eth1 -

Hullo I may have missed something blindingly obvious here. I'm using xts to handle some timeseries data. I've got daily measurements for 100 years. If I try to reduce the error rate by taking means of each month, I'm getting what at first sight appears to be conflicting information. Here's a small subset to show the problem: A small set of data: > vv x

Hi all, I am following the LLVM JIT tutorial API based on: https://llvm.org/docs/tutorial/BuildingAJIT1.html I have 2 independent questions: 1. The tutorial mentions that "*will defer compilation of the module until any of its definitions is looked up*". Does that mean to force eager compilation, i have to keep track of all functions added to the Module and do a lookup? I want the

On Tue, May 20, 2008 at 5:03 AM, Nicolas Capens <nicolas at capens.net> wrote: > LoadInst *x = new LoadInst(ptr_x, "", false, basicBlock); > > // y = rcpps(x) // FIXME > StoreInst *storeResult = new StoreInst(y, ptr_y, false, basicBlock); Using an IRBuilder, something like the following (uncompiled, but it's at least approximately right): Value* x =

Hey all, I've just switched distro to Linux Mint Debian Edition (LMDE) from LM9 Isadora. Some of you may be aware that the Wine Debian packages are extremely old (the repo the main page directs me to doesn't go above 1.1.4.2), so I compiled 1.3.4 from source, without installing. That went fine, insofar as I tested with a previously-installed app and it ran, but now I want to install a

Has anyone written any code for the Hodrick-Prescott filter? I have a some uncompiled FORTRAN code from Ed Prescott but I'd like to save myself some programming time if possible. Thanks for your help. Nick Davis Crown Financial Policy Asset and Liability Management Branch The New Zealand Treasury Direct: +64-4-471-5924 Fax: +64-4-499-0143 Email:

Hello, I have written the function I would like to integrate in two ways: denfxn <- function(yy,vv,a2,b2,mu2) { pp <- 1-pnorm(yy/sqrt(vv)) part1 <- pp^(a2-1) part2 <- (1-pp)^(b2-1) part3 <- dnorm(yy,mu2,sqrt(vv)) return(part1*part2*part3) } denfxnorg <- function(yy,vv,a2,b2,mu2) { pp <- 1-pnorm(yy/sqrt(vv)) pp <- if (pp < .001) .001 else