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| author | Ian Lynagh <igloo@earth.li> | 2007-07-05 21:52:40 +0000 |
|---|---|---|
| committer | Ian Lynagh <igloo@earth.li> | 2007-07-05 21:52:40 +0000 |
| commit | fdf1cd0399158308769fcb2ab7e46e215a68d865 (patch) | |
| tree | f6681f1e4c419db48133e66e2279255b6d4cb17e /rts/gmp/mpn/cray/README | |
| parent | e552cfc427d2734b9a9629f2ab1d22f493e775f6 (diff) | |
| download | haskell-fdf1cd0399158308769fcb2ab7e46e215a68d865.tar.gz | |
Update the in-tree GMP; fixes trac #832
gmp is now in a top-level directory and we only have the tarball in the
darcs repo. It gets untarred if it is needed.
Diffstat (limited to 'rts/gmp/mpn/cray/README')
| -rw-r--r-- | rts/gmp/mpn/cray/README | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/rts/gmp/mpn/cray/README b/rts/gmp/mpn/cray/README deleted file mode 100644 index 8195c67e21..0000000000 --- a/rts/gmp/mpn/cray/README +++ /dev/null @@ -1,14 +0,0 @@ -The (poorly optimized) code in this directory was originally written for a -j90 system, but finished on a c90. It should work on all Cray vector -computers. For the T3E and T3D systems, the `alpha' subdirectory at the -same level as the directory containing this file, is much better. - -* `+' seems to be faster than `|' when combining carries. - -* It is possible that the best multiply performance would be achived by - storing only 24 bits per element, and using lazy carry propagation. Before - calling i24mult, full carry propagation would be needed. - -* Supply tasking versions of the C loops. - - |