search for: _process_

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2009 Feb 26
0
[LLVMdev] Garbage collection
...tch in Windows - used in the .net GC) - ... for different platforms - would definitely help building a GC. Just look at the source code of the Boehm GC: It's a completely unmaintainable mess of #ifdefs A little bit off topic: Has anybody tried building a concurrent GC - running in a different _process_, instead of a thread? The idea: To perform a collection you do a fork(). The child process collects all unreferenced memory regions and reports them back to the parent process. The parrent process waits for the result (in a sperate thread) and if it gets the result it frees the memory regions. This...
2009 Feb 26
1
[LLVMdev] Garbage collection
Ralf Schneider wrote: > A little bit off topic: Has anybody tried building a concurrent GC - > running in a different _process_, instead of a thread? > The idea: To perform a collection you do a fork(). The child process > collects all unreferenced memory regions and reports them back to the > parent process. I remember reading a paper in ACM Sigplan Notices (I think) many years back, describing exactly such a s...
2009 Feb 26
3
[LLVMdev] Garbage collection
...> - ... > > for different platforms - would definitely help building a GC. Just look at > the source code of the Boehm GC: It's a completely unmaintainable mess of > #ifdefs > > A little bit off topic: Has anybody tried building a concurrent GC - running > in a different _process_, instead of a thread? Yes, I had a proof of concept implementation of a GC with - shared memory as the GC arena, - (C++) throw-catch-based marking - simple lookup rules for (in-arena) associated instance metadata. I never had the need to finish the implementation, but the fork approach worked r...
2009 Feb 26
0
[LLVMdev] Garbage collection
...for different platforms - would definitely help building a GC. Just look at >> the source code of the Boehm GC: It's a completely unmaintainable mess of >> #ifdefs >> >> A little bit off topic: Has anybody tried building a concurrent GC - running >> in a different _process_, instead of a thread? >> > > Yes, I had a proof of concept implementation of a GC with > - shared memory as the GC arena, > - (C++) throw-catch-based marking > - simple lookup rules for (in-arena) associated > instance metadata. > > I never had the need to finis...
2016 Sep 21
2
formal process for orphaning a package
The CRAN policy page (https://cran.r-project.org/web/packages/policies.html) implies that there is a formal procedure for orphaning a package but none is mentioned in the Extensions manual (https://cran.r-project.org/doc/manuals/r-devel/R-exts.html). This page (https://cran.r-project.org/src/contrib/Orphaned/README) implies that one would simply resubmit the package to CRAN with the text
2009 Feb 26
7
[LLVMdev] Garbage collection
One of the more interesting subjects of conversation at the 2008 developer day was related to garbage collection. With the increasing number of LLVM-based VMs and other projects, I suspect that the desire for more comprehensive garbage collection support in LLVM is only going to increase. (I am now involved in two different open-source projects both of which will eventually have a strong