529 lines
13 KiB
C
529 lines
13 KiB
C
/**********************************************************************
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Copyright(c) 2011-2015 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h> // for memset, memcmp
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#include "erasure_code.h"
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#include "types.h"
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#ifndef FUNCTION_UNDER_TEST
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# define FUNCTION_UNDER_TEST gf_vect_dot_prod_sse
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#endif
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#ifndef TEST_MIN_SIZE
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# define TEST_MIN_SIZE 16
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#endif
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#define str(s) #s
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#define xstr(s) str(s)
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#define TEST_LEN 8192
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#define TEST_SIZE (TEST_LEN/2)
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#ifndef TEST_SOURCES
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# define TEST_SOURCES 16
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#endif
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#ifndef RANDOMS
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# define RANDOMS 20
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#endif
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#define MMAX TEST_SOURCES
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#define KMAX TEST_SOURCES
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#ifdef EC_ALIGNED_ADDR
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// Define power of 2 range to check ptr, len alignment
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# define PTR_ALIGN_CHK_B 0
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# define LEN_ALIGN_CHK_B 0 // 0 for aligned only
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#else
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// Define power of 2 range to check ptr, len alignment
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# define PTR_ALIGN_CHK_B 32
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# define LEN_ALIGN_CHK_B 32 // 0 for aligned only
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#endif
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extern void FUNCTION_UNDER_TEST(int len, int vlen, unsigned char *gftbls,
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unsigned char **src, unsigned char *dest);
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typedef unsigned char u8;
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void dump(unsigned char *buf, int len)
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{
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int i;
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for (i = 0; i < len;) {
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printf(" %2x", 0xff & buf[i++]);
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if (i % 32 == 0)
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printf("\n");
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}
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printf("\n");
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}
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void dump_matrix(unsigned char **s, int k, int m)
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{
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int i, j;
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for (i = 0; i < k; i++) {
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for (j = 0; j < m; j++) {
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printf(" %2x", s[i][j]);
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}
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printf("\n");
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}
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printf("\n");
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}
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void dump_u8xu8(unsigned char *s, int k, int m)
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{
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int i, j;
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for (i = 0; i < k; i++) {
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for (j = 0; j < m; j++) {
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printf(" %2x", 0xff & s[j + (i * m)]);
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}
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printf("\n");
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}
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printf("\n");
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}
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int main(int argc, char *argv[])
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{
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int i, j, rtest, srcs, m, k, nerrs, r, err;
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void *buf;
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u8 g[TEST_SOURCES], g_tbls[TEST_SOURCES * 32], src_in_err[TEST_SOURCES];
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u8 *dest, *dest_ref, *temp_buff, *buffs[TEST_SOURCES];
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u8 a[MMAX * KMAX], b[MMAX * KMAX], d[MMAX * KMAX];
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u8 src_err_list[TEST_SOURCES], *recov[TEST_SOURCES];
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int align, size;
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unsigned char *efence_buffs[TEST_SOURCES];
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unsigned int offset;
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u8 *ubuffs[TEST_SOURCES];
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u8 *udest_ptr;
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printf(xstr(FUNCTION_UNDER_TEST) ": %dx%d ", TEST_SOURCES, TEST_LEN);
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// Allocate the arrays
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for (i = 0; i < TEST_SOURCES; i++) {
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if (posix_memalign(&buf, 64, TEST_LEN)) {
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printf("alloc error: Fail");
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return -1;
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}
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buffs[i] = buf;
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}
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if (posix_memalign(&buf, 64, TEST_LEN)) {
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printf("alloc error: Fail");
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return -1;
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}
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dest = buf;
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if (posix_memalign(&buf, 64, TEST_LEN)) {
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printf("alloc error: Fail");
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return -1;
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}
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dest_ref = buf;
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if (posix_memalign(&buf, 64, TEST_LEN)) {
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printf("alloc error: Fail");
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return -1;
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}
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temp_buff = buf;
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// Test of all zeros
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for (i = 0; i < TEST_SOURCES; i++)
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memset(buffs[i], 0, TEST_LEN);
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memset(dest, 0, TEST_LEN);
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memset(temp_buff, 0, TEST_LEN);
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memset(dest_ref, 0, TEST_LEN);
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memset(g, 0, TEST_SOURCES);
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for (i = 0; i < TEST_SOURCES; i++)
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gf_vect_mul_init(g[i], &g_tbls[i * 32]);
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gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref);
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FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest);
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if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
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printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " \n");
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dump_matrix(buffs, 5, TEST_SOURCES);
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printf("dprod_base:");
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dump(dest_ref, 25);
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printf("dprod:");
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dump(dest, 25);
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return -1;
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} else
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putchar('.');
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// Rand data test
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for (rtest = 0; rtest < RANDOMS; rtest++) {
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for (i = 0; i < TEST_SOURCES; i++)
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for (j = 0; j < TEST_LEN; j++)
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buffs[i][j] = rand();
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for (i = 0; i < TEST_SOURCES; i++)
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g[i] = rand();
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for (i = 0; i < TEST_SOURCES; i++)
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gf_vect_mul_init(g[i], &g_tbls[i * 32]);
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gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref);
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FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest);
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if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
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printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " 1\n");
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dump_matrix(buffs, 5, TEST_SOURCES);
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printf("dprod_base:");
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dump(dest_ref, 25);
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printf("dprod:");
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dump(dest, 25);
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return -1;
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}
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putchar('.');
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}
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// Rand data test with varied parameters
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for (rtest = 0; rtest < RANDOMS; rtest++) {
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for (srcs = TEST_SOURCES; srcs > 0; srcs--) {
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for (i = 0; i < srcs; i++)
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for (j = 0; j < TEST_LEN; j++)
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buffs[i][j] = rand();
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for (i = 0; i < srcs; i++)
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g[i] = rand();
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for (i = 0; i < srcs; i++)
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gf_vect_mul_init(g[i], &g_tbls[i * 32]);
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gf_vect_dot_prod_base(TEST_LEN, srcs, &g_tbls[0], buffs, dest_ref);
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FUNCTION_UNDER_TEST(TEST_LEN, srcs, g_tbls, buffs, dest);
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if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
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printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test 2\n");
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dump_matrix(buffs, 5, srcs);
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printf("dprod_base:");
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dump(dest_ref, 5);
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printf("dprod:");
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dump(dest, 5);
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return -1;
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}
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putchar('.');
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}
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}
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// Test erasure code using gf_vect_dot_prod
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// Pick a first test
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m = 9;
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k = 5;
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if (m > MMAX || k > KMAX)
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return -1;
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gf_gen_rs_matrix(a, m, k);
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// Make random data
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for (i = 0; i < k; i++)
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for (j = 0; j < TEST_LEN; j++)
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buffs[i][j] = rand();
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// Make parity vects
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for (i = k; i < m; i++) {
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for (j = 0; j < k; j++)
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gf_vect_mul_init(a[k * i + j], &g_tbls[j * 32]);
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#ifndef USEREF
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FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, buffs, buffs[i]);
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#else
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gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], buffs, buffs[i]);
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#endif
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}
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// Random buffers in erasure
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memset(src_in_err, 0, TEST_SOURCES);
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for (i = 0, nerrs = 0; i < k && nerrs < m - k; i++) {
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err = 1 & rand();
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src_in_err[i] = err;
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if (err)
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src_err_list[nerrs++] = i;
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}
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// construct b by removing error rows
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for (i = 0, r = 0; i < k; i++, r++) {
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while (src_in_err[r]) {
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r++;
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continue;
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}
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for (j = 0; j < k; j++)
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b[k * i + j] = a[k * r + j];
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}
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if (gf_invert_matrix((u8 *) b, (u8 *) d, k) < 0)
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printf("BAD MATRIX\n");
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for (i = 0, r = 0; i < k; i++, r++) {
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while (src_in_err[r]) {
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r++;
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continue;
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}
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recov[i] = buffs[r];
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}
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// Recover data
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for (i = 0; i < nerrs; i++) {
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for (j = 0; j < k; j++)
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gf_vect_mul_init(d[k * src_err_list[i] + j], &g_tbls[j * 32]);
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#ifndef USEREF
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FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, recov, temp_buff);
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#else
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gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], recov, temp_buff);
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#endif
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if (0 != memcmp(temp_buff, buffs[src_err_list[i]], TEST_LEN)) {
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printf("Fail error recovery (%d, %d, %d)\n", m, k, nerrs);
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printf("recov %d:", src_err_list[i]);
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dump(temp_buff, 25);
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printf("orig :");
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dump(buffs[src_err_list[i]], 25);
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return -1;
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}
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}
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// Do more random tests
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for (rtest = 0; rtest < RANDOMS; rtest++) {
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while ((m = (rand() % MMAX)) < 2) ;
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while ((k = (rand() % KMAX)) >= m || k < 1) ;
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if (m > MMAX || k > KMAX)
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continue;
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gf_gen_rs_matrix(a, m, k);
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// Make random data
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for (i = 0; i < k; i++)
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for (j = 0; j < TEST_LEN; j++)
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buffs[i][j] = rand();
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// Make parity vects
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for (i = k; i < m; i++) {
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for (j = 0; j < k; j++)
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gf_vect_mul_init(a[k * i + j], &g_tbls[j * 32]);
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#ifndef USEREF
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FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, buffs, buffs[i]);
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#else
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gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], buffs, buffs[i]);
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#endif
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}
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// Random errors
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memset(src_in_err, 0, TEST_SOURCES);
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for (i = 0, nerrs = 0; i < k && nerrs < m - k; i++) {
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err = 1 & rand();
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src_in_err[i] = err;
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if (err)
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src_err_list[nerrs++] = i;
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}
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if (nerrs == 0) { // should have at least one error
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while ((err = (rand() % KMAX)) >= k) ;
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src_err_list[nerrs++] = err;
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src_in_err[err] = 1;
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}
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// construct b by removing error rows
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for (i = 0, r = 0; i < k; i++, r++) {
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while (src_in_err[r]) {
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r++;
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continue;
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}
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for (j = 0; j < k; j++)
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b[k * i + j] = a[k * r + j];
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}
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if (gf_invert_matrix((u8 *) b, (u8 *) d, k) < 0)
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printf("BAD MATRIX\n");
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for (i = 0, r = 0; i < k; i++, r++) {
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while (src_in_err[r]) {
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r++;
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continue;
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}
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recov[i] = buffs[r];
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}
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// Recover data
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for (i = 0; i < nerrs; i++) {
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for (j = 0; j < k; j++)
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gf_vect_mul_init(d[k * src_err_list[i] + j], &g_tbls[j * 32]);
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#ifndef USEREF
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FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, recov, temp_buff);
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#else
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gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], recov, temp_buff);
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#endif
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if (0 != memcmp(temp_buff, buffs[src_err_list[i]], TEST_LEN)) {
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printf("Fail error recovery (%d, %d, %d) - ", m, k, nerrs);
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printf(" - erase list = ");
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for (i = 0; i < nerrs; i++)
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printf(" %d", src_err_list[i]);
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printf("\na:\n");
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dump_u8xu8((u8 *) a, m, k);
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printf("inv b:\n");
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dump_u8xu8((u8 *) d, k, k);
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printf("orig data:\n");
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dump_matrix(buffs, m, 25);
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printf("orig :");
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dump(buffs[src_err_list[i]], 25);
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printf("recov %d:", src_err_list[i]);
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dump(temp_buff, 25);
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return -1;
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}
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}
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putchar('.');
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}
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// Run tests at end of buffer for Electric Fence
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align = (LEN_ALIGN_CHK_B != 0) ? 1 : 16;
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for (size = TEST_MIN_SIZE; size <= TEST_SIZE; size += align) {
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for (i = 0; i < TEST_SOURCES; i++)
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for (j = 0; j < TEST_LEN; j++)
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buffs[i][j] = rand();
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for (i = 0; i < TEST_SOURCES; i++) // Line up TEST_SIZE from end
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efence_buffs[i] = buffs[i] + TEST_LEN - size;
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for (i = 0; i < TEST_SOURCES; i++)
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g[i] = rand();
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for (i = 0; i < TEST_SOURCES; i++)
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gf_vect_mul_init(g[i], &g_tbls[i * 32]);
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gf_vect_dot_prod_base(size, TEST_SOURCES, &g_tbls[0], efence_buffs, dest_ref);
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FUNCTION_UNDER_TEST(size, TEST_SOURCES, g_tbls, efence_buffs, dest);
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if (0 != memcmp(dest_ref, dest, size)) {
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printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test 3\n");
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dump_matrix(efence_buffs, 5, TEST_SOURCES);
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printf("dprod_base:");
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dump(dest_ref, align);
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printf("dprod:");
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dump(dest, align);
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return -1;
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}
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putchar('.');
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}
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// Test rand ptr alignment if available
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for (rtest = 0; rtest < RANDOMS; rtest++) {
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size = (TEST_LEN - PTR_ALIGN_CHK_B) & ~(TEST_MIN_SIZE - 1);
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srcs = rand() % TEST_SOURCES;
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if (srcs == 0)
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continue;
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offset = (PTR_ALIGN_CHK_B != 0) ? 1 : PTR_ALIGN_CHK_B;
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// Add random offsets
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for (i = 0; i < srcs; i++)
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ubuffs[i] = buffs[i] + (rand() & (PTR_ALIGN_CHK_B - offset));
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udest_ptr = dest + (rand() & (PTR_ALIGN_CHK_B - offset));
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memset(dest, 0, TEST_LEN); // zero pad to check write-over
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for (i = 0; i < srcs; i++)
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for (j = 0; j < size; j++)
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ubuffs[i][j] = rand();
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for (i = 0; i < srcs; i++)
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g[i] = rand();
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for (i = 0; i < srcs; i++)
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gf_vect_mul_init(g[i], &g_tbls[i * 32]);
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gf_vect_dot_prod_base(size, srcs, &g_tbls[0], ubuffs, dest_ref);
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FUNCTION_UNDER_TEST(size, srcs, g_tbls, ubuffs, udest_ptr);
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if (memcmp(dest_ref, udest_ptr, size)) {
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printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " ualign srcs=%d\n",
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srcs);
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dump_matrix(ubuffs, 5, TEST_SOURCES);
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printf("dprod_base:");
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dump(dest_ref, 25);
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printf("dprod:");
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dump(udest_ptr, 25);
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return -1;
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}
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// Confirm that padding around dests is unchanged
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memset(dest_ref, 0, PTR_ALIGN_CHK_B); // Make reference zero buff
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offset = udest_ptr - dest;
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if (memcmp(dest, dest_ref, offset)) {
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printf("Fail rand ualign pad start\n");
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return -1;
|
|
}
|
|
if (memcmp(dest + offset + size, dest_ref, PTR_ALIGN_CHK_B - offset)) {
|
|
printf("Fail rand ualign pad end\n");
|
|
return -1;
|
|
}
|
|
|
|
putchar('.');
|
|
}
|
|
|
|
// Test all size alignment
|
|
align = (LEN_ALIGN_CHK_B != 0) ? 1 : 16;
|
|
|
|
for (size = TEST_LEN; size >= TEST_MIN_SIZE; size -= align) {
|
|
srcs = TEST_SOURCES;
|
|
|
|
for (i = 0; i < srcs; i++)
|
|
for (j = 0; j < size; j++)
|
|
buffs[i][j] = rand();
|
|
|
|
for (i = 0; i < srcs; i++)
|
|
g[i] = rand();
|
|
|
|
for (i = 0; i < srcs; i++)
|
|
gf_vect_mul_init(g[i], &g_tbls[i * 32]);
|
|
|
|
gf_vect_dot_prod_base(size, srcs, &g_tbls[0], buffs, dest_ref);
|
|
|
|
FUNCTION_UNDER_TEST(size, srcs, g_tbls, buffs, dest);
|
|
|
|
if (memcmp(dest_ref, dest, size)) {
|
|
printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " ualign len=%d\n",
|
|
size);
|
|
dump_matrix(buffs, 5, TEST_SOURCES);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, 25);
|
|
printf("dprod:");
|
|
dump(dest, 25);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
printf("done all: Pass\n");
|
|
return 0;
|
|
}
|