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ae25d22235
The patch covers low-end and older x86 CPUs. Parity generation is equivalent to SSSE3 implementation, but reconstruction is somewhat slower. Previous 'sse' implementation is renamed to 'ssse3' to indicate highest instruction set used. Benchmark results: scalar_rec_p 4 720476442 scalar_rec_q 4 187462804 scalar_rec_r 4 138996096 scalar_rec_pq 4 140834951 scalar_rec_pr 4 129332035 scalar_rec_qr 4 81619194 scalar_rec_pqr 4 53376668 sse2_rec_p 4 2427757064 sse2_rec_q 4 747120861 sse2_rec_r 4 499871637 sse2_rec_pq 4 522403710 sse2_rec_pr 4 464632780 sse2_rec_qr 4 319124434 sse2_rec_pqr 4 205794190 ssse3_rec_p 4 2519939444 ssse3_rec_q 4 1003019289 ssse3_rec_r 4 616428767 ssse3_rec_pq 4 706326396 ssse3_rec_pr 4 570493618 ssse3_rec_qr 4 400185250 ssse3_rec_pqr 4 377541245 original_rec_p 4 691658568 original_rec_q 4 195510948 original_rec_r 4 26075538 original_rec_pq 4 103087368 original_rec_pr 4 15767058 original_rec_qr 4 15513175 original_rec_pqr 4 10746357 Signed-off-by: Gvozden Neskovic <neskovic@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #4783
108 lines
2.2 KiB
C
108 lines
2.2 KiB
C
/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (C) 2016 Gvozden Nešković. All rights reserved.
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*/
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#ifndef RAIDZ_TEST_H
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#define RAIDZ_TEST_H
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#include <sys/spa.h>
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static const char *raidz_impl_names[] = {
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"original",
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"scalar",
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"sse2",
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"ssse3",
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"avx2",
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NULL
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};
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typedef struct raidz_test_opts {
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size_t rto_ashift;
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size_t rto_offset;
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size_t rto_dcols;
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size_t rto_dsize;
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size_t rto_v;
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size_t rto_sweep;
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size_t rto_sweep_timeout;
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size_t rto_benchmark;
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size_t rto_sanity;
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size_t rto_gdb;
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zio_t *zio_golden;
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raidz_map_t *rm_golden;
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} raidz_test_opts_t;
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static const raidz_test_opts_t rto_opts_defaults = {
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.rto_ashift = 9,
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.rto_offset = 1ULL << 0,
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.rto_dcols = 8,
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.rto_dsize = 1<<19,
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.rto_v = 0,
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.rto_sweep = 0,
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.rto_benchmark = 0,
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.rto_sanity = 0,
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.rto_gdb = 0
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};
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extern raidz_test_opts_t rto_opts;
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static inline size_t ilog2(size_t a)
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{
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return (a > 1 ? 1 + ilog2(a >> 1) : 0);
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}
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#define D_ALL 0
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#define D_INFO 1
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#define D_DEBUG 2
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#define LOG(lvl, a...) \
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{ \
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if (rto_opts.rto_v >= lvl) \
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(void) fprintf(stdout, a); \
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} \
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#define LOG_OPT(lvl, opt, a...) \
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{ \
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if (opt->rto_v >= lvl) \
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(void) fprintf(stdout, a); \
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} \
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#define ERR(a...) (void) fprintf(stderr, a)
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#define DBLSEP "================\n"
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#define SEP "----------------\n"
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#define raidz_alloc(size) zio_data_buf_alloc(size)
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#define raidz_free(p, size) zio_data_buf_free(p, size)
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void init_zio_data(zio_t *zio);
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void run_raidz_benchmark(void);
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#endif /* RAIDZ_TEST_H */
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