Memory allocator on OS/X

Jason,

A quick scan though the mailing list archives didn't reveal any  
reference to this article

Somehow you managed to miss it, we had a discussion about this quite  
recently:
http://www.mail-archive.com/r-sig-mac%40stat.math.ethz.ch/msg00770.html

Also based on private e-mail exchange with all involved parties the  
preliminary answer is no. The mentioned speed-up occurred only after  
patching the involved code, R was actually not even modified. It is  
still unclear whether a modification of R is safe and whether any  
speed up is to be expected. I hope to have a quiet minute during the  
weekend so I can test the various hypotheses... (There are two  
separate issues to be addressed: system malloc/free and BLAS  
performance).

Cheers,
Simon

[...]

Would it make sense for the build process that generates R binaries
for OS X to use the Lea allocator?

Jason Foster

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