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author | tege <tege@gmplib.org> | 2000-12-22 11:52:35 +0100 |
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committer | tege <tege@gmplib.org> | 2000-12-22 11:52:35 +0100 |
commit | f24f1fc6fadbff5972a5561f839a3cd3195b49a0 (patch) | |
tree | d322017224415daf760f08ec8d5aa5f2f5706beb /doc | |
parent | 1f55d9206525807869a5a5019993dbf33990b9de (diff) | |
download | gmp-f24f1fc6fadbff5972a5561f839a3cd3195b49a0.tar.gz |
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Diffstat (limited to 'doc')
-rw-r--r-- | doc/tasks.html | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/tasks.html b/doc/tasks.html index 15e2971c6..7c911357f 100644 --- a/doc/tasks.html +++ b/doc/tasks.html @@ -240,7 +240,9 @@ Documented online in "Migration to CRAY T90 IEEE Floating Point". <li> Cray with CFP (all vector systems except T90 IEEE): i24mult no longer works. It is "outmoded". What else can we use for reasonable speed? - What makes current assembly mulww.s fail? +<li> Cray T3E: Experiment with optimization options. In particular, + -hpipeline3 seems promising. We should at least up -O to -O2 or -O3. + <li> Improve <code>count_leading_zeros</code> for 64-bit machines: <pre> if ((x >> 32) == 0) { x <<= 32; cnt += 32; } |