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no problem. I'll bump it (but not today). |
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|
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On 28/03/15 20:54, François Bissey wrote: |
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> And Victor just announce ntl 9.0 on sage-devel: |
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> |
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> With much trepidation, I have introduced a (hopefully minor) |
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> backward incompatibility into NTL. |
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> |
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> The interface to the single-precision modular arithmetic |
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> routines has been modified slightly. |
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> This interface change allows for more flexible and more |
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> efficient implementation of these routines, |
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> which play a crucial role at many levels in NTL. |
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> |
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> Basically, these changes to the interface abstract away |
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> some implementation details that arguably should never been there |
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> in the first place. |
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> By coding to the new interface, NTL clients will be able to |
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> benefit from the current and future improvements. |
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> |
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> In particular, on 64-bit x86/GCC platforms, single precision |
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> moduli can now be up to 60 bits, rather than 50 bits. |
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> While some operations may in fact be a little slower, the most important |
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> ones (like MulModPrecon) should not be. |
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> Using larger moduli speeds up a number of things, like ZZ_pX |
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> arithmetic, as fewer primes need to be used in Chinese Remaindering steps. |
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> Other applications benefit from larger moduli as well. |
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> |
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> It is expected that most NTL clients will not be affected at all. |
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> Moreover, any code that needs to be updated will be detected |
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> by the compiler, and the updates should be simple and mechanical. |
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> There is also a configuration flag that will enable the legacy |
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> interface (although this is not recommended practice). |
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> |
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> For more, go to http://www.shoup.net/ntl |
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> |
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> |
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|
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-- |
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Thomas Kahle |
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http://dev.gentoo.org/~tomka/ |
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