GMP 6.1.0 released
rguenther at suse.de
Mon Nov 2 09:23:47 UTC 2015
On Sun, 1 Nov 2015, Marco Bodrato wrote:
> A new major release of the GNU Multiple Precision Arithmetic Library
> (GMP) is now available. The new release is identified as 6.1.0.
> The release can be downloaded from here:
> https://gmplib.org/download/gmp/gmp-6.1.0.tar.lz (smallest)
> https://gmplib.org/download/gmp/gmp-6.1.0.tar.bz2 (largest)
> These files will also soon be found at the GNU main site as well as its
> many mirrors.
> Signature files are also available:
It seems those signatures were created with a key not listed
on gmplib.org. Can you please amend the list?
> The 6.1.0 release contains a considerable amount of new code, and many
> improvements to existing code. Please see below for the some high-
> As usually, we repeat and underline: please run "make check" after
> you've built your library. And if "make check" stops with an error,
> do not use the compiled library. When this happens, you've almost
> surely run into a compiler bug, not a GMP bug, since we've of course
> made sure the library passes its own test suite. The first thing to
> try at this point is using a different compiler. See also
> We have further expanded the testing configurations to over 1500.
> Thanks to both the broad testing and careful development, we expect
> this to be a very stable release.
> This release would not have been possible without the continuous work
> of improvement, revision and refinement by the whole GMP team:
> Torbjörn Granlund, Niels Möller, Marco Bodrato, and Marc Glisse.
> The GMP team is pleased to thank also the many people who contributed
> to the quality of this release with suggestions, bug reports, and
> small bug-fixes (an unordered and surely non-exhaustive list follows):
> Hannes Mehnert, Hans Wennborg, Linus Nordberg, Paul Zimmermann,
> Richard Biener, George Kozlowski, Albert Chin, Peter Breitenlohner,
> Leif Leonhardy, Yihang Ho, Viktor Kletzhändler, Vicente Benjumea,
> Vincent Lefevre, Vincent Delecroix, Steve M. Robbins and all the
> participant to the mailing-lists of the project...
> Changes between GMP version 6.0.* and 6.1.0
> BUGS FIXED
> * The public function mpn_com is now correctly declared in gmp.h.
> * Healed possible failures of mpn_sec_sqr for non-cryptographic sizes
> for some obsolete CPUs.
> * The option --disable-assembly now disables all inlined asm.
> * Fixed bug affecting mini-gmp's bitwise functions mpz_setbit,
> mpz_clrbit, and mpz_combit.
> * Various problems related to precision for mpf have been fixed.
> * Fixed ABI incompatible stack alignment in calls from assembly code.
> * Fixed PIC bug in popcount affecting Intel processors using the
> 32-bit ABI.
> * Speedup for Intel Broadwell and Skylake though assembly code making
> use of new ADX instructions.
> * Square root is now faster when the remainder is not needed. Also the
> speed to compute the k-th root improved, for small sizes.
> * Improved arm64 support.
> * New C++ functions gcd and lcm for mpz_class.
> * New public mpn functions mpn_divexact_1, mpn_zero_p, and mpn_cnd_swap.
> * New public mpq_cmp_z function, to efficiently compare rationals with
> * Support for Darwin in all x86 code, thereby enabling fat builds
> on Darwin.
> * Support for more 32-bit arm processors.
> * Support for compilation with clang/llvm on more platforms.
> Caution: GMP triggers mis-compilation bugs in clang for many
> platforms, such as arm, x86 (32-bit and 64-bit), powerpc, mips.
> * Support for AVX-less modern x86 CPUs. (Such support might be missing
> either because the CPU vendor chose to disable AVX, or because the
> running kernel lacks AVX context switch support.)
> * Stack usage trimmed; we believe 512 KiB is now sufficient for any GMP
> call, irrespective of operand size.
> * Support for NetBSD under Xen; we switch off AVX unconditionally under
> NetBSD since a bug in NetBSD makes AVX fail under Xen.
> * We now use manufacturers' code names for x86 CPUs, e.g., "haswell"
> instead of names derived from the commercial brands.
> * Small improvements and better coverage for the test suite.
> * The various FreeBSD problems listed for 6.0.0 affect this release too.
> * Tuned values for FFT multiplications are provided for larger number
> on many platforms.
> Best regards,
> Marco Bodrato (0xC1A000b0)
> gmp-announce mailing list
> gmp-announce at gmplib.org
Richard Biener <rguenther at suse.de>
SUSE LINUX GmbH, GF: Felix Imendoerffer, Jane Smithard, Graham Norton, HRB 21284 (AG Nuernberg)
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