This bug was fixed in the package gmp - 2:6.2.1+dfsg1-1.1ubuntu2
---------------
gmp (2:6.2.1+dfsg1-1.1ubuntu2) mantic; urgency=medium
* Add d/p/debian/patches/0014-improved_s390_z13_support_from_ibm.patch
to incl. improved optimizations for s390x, based on z13. (LP: #1926752)
Also requires to expand d/rules to select the s390x (z13) specific
optimizations by expanding MPN_PATH with the z13 code-path in confflags.
-- Frank Heimes <[email protected]> Wed, 12 Jul 2023 10:56:34
+0200
** Changed in: gmp (Ubuntu)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1926752
Title:
[23.10 FEAT] libgmp SIMD optimizations
Status in Ubuntu on IBM z Systems:
Fix Released
Status in gmp package in Ubuntu:
Fix Released
Bug description:
Optimize the GNU MP Bignum Library using vector instructions.
- Requirement for Full Homomorphic Encryption, libgmp is used as a backend
for NTL
- libgmp performance is critical also for GNU Cobol on Z.
Here a customer requested using packed decimal instructions in libgmp which
does not appear to fit for libgmp - however SIMD would help on distros with ALS
z13
https://gmplib.org/#STATUS
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