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3c009347b1
Change-Id: Iea9ba619e337d5abea7ee791ddf3dd27e0f3e60f Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
282 lines
8.4 KiB
C
282 lines
8.4 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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#include "test.h"
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//By default, test multibinary version
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#ifndef FUNCTION_UNDER_TEST
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# define FUNCTION_UNDER_TEST ec_encode_data_update
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# define REF_FUNCTION ec_encode_data
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#endif
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//By default, test EC(8+4)
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#if (!defined(VECT))
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# define VECT 4
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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 CACHED_TEST
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#ifdef CACHED_TEST
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// Cached test, loop many times over small dataset
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# define TEST_SOURCES 32
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# define TEST_LEN(m) ((128*1024 / m) & ~(64-1))
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# define TEST_TYPE_STR "_warm"
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#else
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# ifndef TEST_CUSTOM
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// Uncached test. Pull from large mem base.
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# define TEST_SOURCES 32
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# define GT_L3_CACHE 32*1024*1024 /* some number > last level cache */
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# define TEST_LEN(m) ((GT_L3_CACHE / m) & ~(64-1))
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# define TEST_TYPE_STR "_cold"
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# else
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# define TEST_TYPE_STR "_cus"
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# endif
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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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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 encode_update_test_ref(int m, int k, u8 * g_tbls, u8 ** buffs, u8 * a)
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{
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ec_init_tables(k, m - k, &a[k * k], g_tbls);
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REF_FUNCTION(TEST_LEN(m), k, m - k, g_tbls, buffs, &buffs[k]);
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}
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void encode_update_test(int m, int k, u8 * g_tbls, u8 ** perf_update_buffs, u8 * a)
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{
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int i;
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// Make parity vects
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ec_init_tables(k, m - k, &a[k * k], g_tbls);
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for (i = 0; i < k; i++) {
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FUNCTION_UNDER_TEST(TEST_LEN(m), k, m - k, i, g_tbls,
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perf_update_buffs[i], &perf_update_buffs[k]);
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}
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}
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int decode_test(int m, int k, u8 ** update_buffs, u8 ** recov, u8 * a, u8 * src_in_err,
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u8 * src_err_list, int nerrs, u8 * g_tbls, u8 ** perf_update_buffs)
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{
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int i, j, r;
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u8 b[MMAX * KMAX], c[MMAX * KMAX], d[MMAX * KMAX];
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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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recov[i] = update_buffs[r];
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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(b, d, k) < 0) {
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printf("BAD MATRIX\n");
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return -1;
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}
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for (i = 0; i < nerrs; i++)
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for (j = 0; j < k; j++)
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c[k * i + j] = d[k * src_err_list[i] + j];
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// Recover data
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ec_init_tables(k, nerrs, c, g_tbls);
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for (i = 0; i < k; i++) {
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FUNCTION_UNDER_TEST(TEST_LEN(m), k, nerrs, i, g_tbls, recov[i],
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perf_update_buffs);
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}
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return 0;
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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, check, m, k, nerrs;
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void *buf;
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u8 *temp_buffs[TEST_SOURCES], *buffs[TEST_SOURCES];
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u8 *update_buffs[TEST_SOURCES];
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u8 *perf_update_buffs[TEST_SOURCES];
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u8 a[MMAX * KMAX];
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u8 g_tbls[KMAX * TEST_SOURCES * 32], src_in_err[TEST_SOURCES];
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u8 src_err_list[TEST_SOURCES], *recov[TEST_SOURCES];
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struct perf start;
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// Pick test parameters
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k = 10;
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m = k + VECT;
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nerrs = VECT;
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const u8 err_list[] = { 0, 2, 4, 5, 7, 8 };
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printf(xstr(FUNCTION_UNDER_TEST) "_perf: %dx%d %d\n", m, TEST_LEN(m), nerrs);
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if (m > MMAX || k > KMAX || nerrs > (m - k)) {
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printf(" Input test parameter error\n");
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return -1;
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}
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memcpy(src_err_list, err_list, nerrs);
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memset(src_in_err, 0, TEST_SOURCES);
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for (i = 0; i < nerrs; i++)
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src_in_err[src_err_list[i]] = 1;
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// Allocate the arrays
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for (i = 0; i < m; i++) {
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if (posix_memalign(&buf, 64, TEST_LEN(m))) {
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printf("alloc error: Fail\n");
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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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for (i = 0; i < (m - k); i++) {
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if (posix_memalign(&buf, 64, TEST_LEN(m))) {
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printf("alloc error: Fail\n");
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return -1;
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}
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temp_buffs[i] = buf;
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memset(temp_buffs[i], 0, TEST_LEN(m)); // initialize the destination buffer to be zero for update function
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}
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for (i = 0; i < TEST_SOURCES; i++) {
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if (posix_memalign(&buf, 64, TEST_LEN(m))) {
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printf("alloc error: Fail");
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return -1;
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}
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update_buffs[i] = buf;
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memset(update_buffs[i], 0, TEST_LEN(m)); // initialize the destination buffer to be zero for update function
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}
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for (i = 0; i < TEST_SOURCES; i++) {
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if (posix_memalign(&buf, 64, TEST_LEN(m))) {
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printf("alloc error: Fail");
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return -1;
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}
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perf_update_buffs[i] = buf;
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memset(perf_update_buffs[i], 0, TEST_LEN(m)); // initialize the destination buffer to be zero for update function
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}
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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(m); j++) {
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buffs[i][j] = rand();
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update_buffs[i][j] = buffs[i][j];
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}
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gf_gen_rs_matrix(a, m, k);
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encode_update_test_ref(m, k, g_tbls, buffs, a);
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encode_update_test(m, k, g_tbls, update_buffs, a);
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for (i = 0; i < m - k; i++) {
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if (0 != memcmp(update_buffs[k + i], buffs[k + i], TEST_LEN(m))) {
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printf("\nupdate_buffs%d :", i);
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dump(update_buffs[k + i], 25);
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printf("buffs%d :", i);
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dump(buffs[k + i], 25);
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return -1;
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}
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}
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#ifdef DO_REF_PERF
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// Start encode test
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BENCHMARK(&start, BENCHMARK_TIME, encode_update_test_ref(m, k, g_tbls, buffs, a));
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printf(xstr(REF_FUNCTION) TEST_TYPE_STR ": ");
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perf_print(start, (long long)(TEST_LEN(m)) * (m));
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#endif
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// Start encode test
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BENCHMARK(&start, BENCHMARK_TIME,
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encode_update_test(m, k, g_tbls, perf_update_buffs, a));
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printf(xstr(FUNCTION_UNDER_TEST) TEST_TYPE_STR ": ");
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perf_print(start, (long long)(TEST_LEN(m)) * (m));
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// Start encode test
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BENCHMARK(&start, BENCHMARK_TIME,
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// Make parity vects
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ec_init_tables(k, m - k, &a[k * k], g_tbls);
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FUNCTION_UNDER_TEST(TEST_LEN(m), k, m - k, 0, g_tbls, perf_update_buffs[0],
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&perf_update_buffs[k]));
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printf(xstr(FUNCTION_UNDER_TEST) "_single_src" TEST_TYPE_STR ": ");
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perf_print(start, (long long)(TEST_LEN(m)) * (m - k + 1));
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// Start encode test
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BENCHMARK(&start, BENCHMARK_TIME,
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// Make parity vects
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FUNCTION_UNDER_TEST(TEST_LEN(m), k, m - k, 0, g_tbls, perf_update_buffs[0],
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&perf_update_buffs[k]));
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printf(xstr(FUNCTION_UNDER_TEST) "_single_src_simple" TEST_TYPE_STR ": ");
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perf_print(start, (long long)(TEST_LEN(m)) * (m - k + 1));
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for (i = k; i < m; i++) {
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memset(update_buffs[i], 0, TEST_LEN(m)); // initialize the destination buffer to be zero for update function
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}
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for (i = 0; i < k; i++) {
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FUNCTION_UNDER_TEST(TEST_LEN(m), k, m - k, i, g_tbls, update_buffs[i],
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&update_buffs[k]);
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}
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decode_test(m, k, update_buffs, recov, a, src_in_err, src_err_list,
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nerrs, g_tbls, temp_buffs);
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BENCHMARK(&start, BENCHMARK_TIME, check =
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decode_test(m, k, update_buffs, recov, a, src_in_err, src_err_list,
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nerrs, g_tbls, perf_update_buffs));
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if (check) {
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printf("BAD_MATRIX\n");
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return -1;
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}
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for (i = 0; i < nerrs; i++) {
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if (0 != memcmp(temp_buffs[i], update_buffs[src_err_list[i]], TEST_LEN(m))) {
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printf("Fail error recovery (%d, %d, %d) - \n", m, k, nerrs);
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return -1;
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}
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}
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printf(xstr(FUNCTION_UNDER_TEST) "_decode" TEST_TYPE_STR ": ");
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perf_print(start, (long long)(TEST_LEN(m)) * (k + nerrs));
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printf("done all: Pass\n");
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return 0;
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}
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