Bug 1779057
| Summary: | gmp is compiled without CPU optimizations enabled | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 8 | Reporter: | Nikos Mavrogiannopoulos <nmavrogi> |
| Component: | gmp | Assignee: | Jakub Martisko <jamartis> |
| Status: | CLOSED WONTFIX | QA Contact: | qe-baseos-daemons |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 8.1 | CC: | fedora, mlichvar |
| Target Milestone: | rc | Flags: | pm-rhel:
mirror+
|
| Target Release: | 8.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | If docs needed, set a value | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2021-06-03 07:30:33 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 1779060 | ||
| Bug Blocks: | |||
This dupes #1493218 which was a crash not just an optimization issue. After evaluating this issue, there are no plans to address it further or fix it in an upcoming release. Therefore, it is being closed. If plans change such that this issue will be fixed in an upcoming release, then the bug can be reopened. |
Description of problem: In an unrelated fedora commit 2b62e65299c881127f59855ac54eb999b55afc34 the --enable-fat flag which was enabling CPU optimized code was dropped, probably accidentally. That's has a significant impact on the performance of nettle and in turn gnutls. In particular the RSA implementation of nettle as compared to openssl drops to (hogweed-benchmark tool): name size sign/ms verify/ms rsa 2048 0.8881 27.1422 rsa (openssl) 2048 1.4249 45.2295 While on a non-RHEL system where gmp is compiled with --enable-fat: rsa 2048 0.2106 7.2703 rsa (openssl) 2048 0.2024 6.4992 Please compile gmp with --enable-fat