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I know this is quite a handwaving, stupid question, but I don't know where else to ask it and maybe somebody here can at least point me into the right direction, because I'm stuck. I have a program package that were using here (OpenFOAM for those who know it). My problem is that when I compile and link this package on CentOS 5, it won't run on CentOS 4.x-machines but stops with a floating-point-exception. The funny thing is that my experiments with strace and gdb indicate that the problems occur during the loading of an .so (t...

On 08/02/2017 10:57 AM, hw wrote: > > It probably makes sense under the assumption that you do pretty much > everything in one container or another and that it doesn?t bother you > having to switch between all the containers to do something. That would > require something like a window manager turned into a container manager, > and it goes towards turning away from an operating

...being for servers, as you say. It's what Docker lives off, and really does feel like the focus of Docker. Singularity lets you think somewhat differently, and has proved very useful in areas like HPC, where you want to let a user bring a software environment to a machine. You get people like OpenFOAM releasing their software as a Docker container: https://openfoam.org/download/4-1-linux/ I've also used it to run Ubuntu packaged software on CentOS without having to jump through hoops trying to repackage it or otherwise rebuild a million dependencies in just the right way. jh

Hi, Consider the following test case: int foo(float *A, float *B, float *C, int len, int VSMALL) { for (int i = 0; i < len; i++) if (C[i] > VSMALL) A[i] = B[i] / C[i]; } In this test the div operation is conditional but llvm is generating unconditional div for this case: vector.body: ; preds = %vector.body, %vector.ph %index = phi i64 [