132 commits

Author	SHA1	Message	Date
Andrea Mazzoleni	3302518566	Avoid a folding VLA warning in clang	2026-07-13 11:03:57 +02:00
Andrea Mazzoleni	e0442b1af1	Use uniform ending on files for parity implementation	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	266d759b5d	Fix building on x86 for missing AVX512 support	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	741a5437df	Run the speed test with and without displacement	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	1b7959bb52	Allow to specify the wrap size in allocation	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	cdda0bdd56	Refactor and reorganize parity generation functions using inline templates	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	6d193d31df	Add AArch64 NEON parity generation and recovery functions	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	0dd193788b	Use vpternlogq in raid_gen3-6_avx512bw to fuse sequential vpxorq instructions into single 3-way XORs	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	84a13e4c79	Gate AVX-512BW gen1/gen2 behind slow_avx512() to avoid double-pumped shuffle penalties	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	ebfffa26d2	Remove the unused number of data disks from the vector allocation ... The same addressing rules are applied to the parity disks because they are used as data disks during recovery operations.	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	3d598eb9f8	Inject variable page-offset noise to disk buffer displacement to mitigate prefetcher contention	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	f181eb96e7	Use the optimal displacement depending on the number of disks	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	8f45779253	Change RAID AVX512/GFNI functions to use forward iterations	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	26a1e3efda	Remove the special case of a single data disk when not strictly required	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	87db4d8778	Remove unused level 0 from the pshufb table	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	c15269d271	Change the AVX512BW generation to use pshufb also for Q parity	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	44bd4d7b13	Extend the pshufb table to include the Q parity coefficients	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	1021288edd	New displacement benchmarks	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	4d8138e9bd	Simplify GFNI implementations	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	af008b220f	Always build RAID test with USE_RAID_AES	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	fabaa8d1b3	Assume the assembler supports all x86 SSE/AVX instructions	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	312e7212c4	Extend the RAID regression test to detect unset parity	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	1dd1845a5b	Add support for AVX2 GFNI	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	7602094692	Disable AVX512 on CPUs with narrow shuffle ports or double-pumped 256-bit datapath	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	46f152daf2	Revise the RAID library Makefile	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	80dfbfd6de	Be more clear when GFNI is really used	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	99f8ec9675	Optimize AVX512 gen1 parity with the vpternlogq instruction	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	f691c6f90a	Add tables for the AES Polynomial	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	bef65f1a51	Comment about the RAID optimizations	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	f4318ae604	Use a simpler approach in the new AVX512 generation functions	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	ade2c6c96d	Preliminary support for AVX512GFNI	2026-07-13 11:03:56 +02:00
Andrea Mazzoleni	20d7a9d513	Change commenting style	2026-07-13 11:03:55 +02:00
Andrea Mazzoleni	21e2f0455d	Add detection of AVX2GFNI	2026-07-13 11:03:55 +02:00
Andrea Mazzoleni	19ba549ea4	Add more AVX512 functions for parity	2026-07-13 11:03:55 +02:00
Andrea Mazzoleni	5050c52d15	Preliminary support for ADVX512	2026-07-13 11:03:55 +02:00
Christoph Hellwig	9e7dfb3a78	Make all RAID forwarders static and local using a new registration interface ... Co-authored-by: Andrea Mazzoleni <amadvance@gmail.com>	2026-07-13 11:03:55 +02:00
Andrea Mazzoleni	562d59d9c8	Avoid a folding VLA warning in clang	2026-07-06 15:57:49 +02:00
Andrea Mazzoleni	ae9b472898	Add detection of AVX512BW and AVX512GFNI	2026-04-16 00:13:51 +02:00
Andrea Mazzoleni	b709371d2d	Fix typos in the comment of the raid library	2026-04-15 10:53:25 +02:00
Andrea Mazzoleni	0d0431a907	Simpler Copyright string	2026-04-09 17:56:49 +02:00
Christoph Hellwig	60269a1236	Use SPDX (https://spdx.dev/) tags to identify the license used for each ... file, and a COPYING file explaining the licensing scheme, with the actual licenses listed in the LICENSES/ directory.	2026-04-02 16:01:37 +02:00
Andrea Mazzoleni	e80734fc4c	Fix typos	2026-01-22 16:13:25 +01:00
Andrea Mazzoleni	f7798b2357	Update performance test of raid.c	2025-10-14 23:26:34 +02:00
Andrea Mazzoleni	13a4872e69	Revise the top comment of raid.c	2025-10-13 17:32:55 +02:00
Andrea Mazzoleni	56c4076e23	Avoid a warning about function pointer conversion. No functional changes	2025-01-23 15:51:59 +01:00
Andrea Mazzoleni	607564c5fe	Fix some typos	2023-12-09 10:45:26 +01:00
Jens Kühnel	6b3ac2a6cb	Update address of FSF in GPLv2	2023-08-09 14:44:48 +02:00
Andrea Gelmini	2dacb15516	Fix typos ... Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>	2022-07-21 14:48:48 +02:00
Andrea Gelmini	986e9b4131	Fix typos	2020-05-26 12:50:15 +02:00
Andrea Mazzoleni	21241c5078	Preliminary advise support	2016-05-15 14:50:59 +02:00