[OS X TeX] 64 Bit Binaries for TeX Live 2009
roberto.avanzi at online.de
Wed Nov 25 02:44:47 EST 2009
On Nov 23, 2009, at 18:06 , Richard Koch wrote:
> TeX Live 2009 installs 32-bit binaries on the Macintosh. Recent Macs
> can also run 64-bit applications, and we experimented briefly with
> 64-bit binaries before the TeX Live 2009 release. The 400 page book
> we used to benchmark typeset in 3 seconds in 32-bits, and the
> speedup with 64-bit apps ranged from negligible to a fraction of a
> second. Since 64-bit binaries would receive limited testing, we
> opted not to include them.
> Recently a user with an 800 page project retested. His book typeset
> in 4.40 seconds with 32-bit binaries, and in 3.39 seconds with 64-
> bit binaries.
> An optional install package is now available which adds 64-bit
> binaries to TeX Live 2009 and Ghostscript. This package requires
> Snow Leopard and only installs if TeX Live 2009 and Ghostscript 8.70
> have been installed. The package adds an extra item to the TeX
> Distribution Preference Pane, allowing users to switch between 32-
> bit and 64-bit binaries (both distributions use the same texmf trees).
Why Snow Leopard as a minimum requirement? Leopard can run 64 bit cli-
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