mirror of
https://github.com/intel/isa-l.git
synced 2024-12-13 17:57:08 +01:00
526 lines
13 KiB
C
526 lines
13 KiB
C
/**********************************************************************
|
|
Copyright(c) 2011-2015 Intel Corporation All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the
|
|
distribution.
|
|
* Neither the name of Intel Corporation nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**********************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h> // for memset, memcmp
|
|
#include "erasure_code.h"
|
|
#include "types.h"
|
|
|
|
#ifndef FUNCTION_UNDER_TEST
|
|
# define FUNCTION_UNDER_TEST gf_vect_dot_prod
|
|
#endif
|
|
#ifndef TEST_MIN_SIZE
|
|
# define TEST_MIN_SIZE 32
|
|
#endif
|
|
|
|
#define str(s) #s
|
|
#define xstr(s) str(s)
|
|
|
|
#define TEST_LEN 8192
|
|
#define TEST_SIZE (TEST_LEN/2)
|
|
|
|
#ifndef TEST_SOURCES
|
|
# define TEST_SOURCES 16
|
|
#endif
|
|
#ifndef RANDOMS
|
|
# define RANDOMS 20
|
|
#endif
|
|
|
|
#define MMAX TEST_SOURCES
|
|
#define KMAX TEST_SOURCES
|
|
|
|
#ifdef EC_ALIGNED_ADDR
|
|
// Define power of 2 range to check ptr, len alignment
|
|
# define PTR_ALIGN_CHK_B 0
|
|
# define LEN_ALIGN_CHK_B 0 // 0 for aligned only
|
|
#else
|
|
// Define power of 2 range to check ptr, len alignment
|
|
# define PTR_ALIGN_CHK_B 32
|
|
# define LEN_ALIGN_CHK_B 32 // 0 for aligned only
|
|
#endif
|
|
|
|
typedef unsigned char u8;
|
|
|
|
void dump(unsigned char *buf, int len)
|
|
{
|
|
int i;
|
|
for (i = 0; i < len;) {
|
|
printf(" %2x", 0xff & buf[i++]);
|
|
if (i % 32 == 0)
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
void dump_matrix(unsigned char **s, int k, int m)
|
|
{
|
|
int i, j;
|
|
for (i = 0; i < k; i++) {
|
|
for (j = 0; j < m; j++) {
|
|
printf(" %2x", s[i][j]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
void dump_u8xu8(unsigned char *s, int k, int m)
|
|
{
|
|
int i, j;
|
|
for (i = 0; i < k; i++) {
|
|
for (j = 0; j < m; j++) {
|
|
printf(" %2x", 0xff & s[j + (i * m)]);
|
|
}
|
|
printf("\n");
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i, j, rtest, srcs, m, k, nerrs, r, err;
|
|
void *buf;
|
|
u8 g[TEST_SOURCES], g_tbls[TEST_SOURCES * 32], src_in_err[TEST_SOURCES];
|
|
u8 *dest, *dest_ref, *temp_buff, *buffs[TEST_SOURCES];
|
|
u8 a[MMAX * KMAX], b[MMAX * KMAX], d[MMAX * KMAX];
|
|
u8 src_err_list[TEST_SOURCES], *recov[TEST_SOURCES];
|
|
|
|
int align, size;
|
|
unsigned char *efence_buffs[TEST_SOURCES];
|
|
unsigned int offset;
|
|
u8 *ubuffs[TEST_SOURCES];
|
|
u8 *udest_ptr;
|
|
|
|
printf(xstr(FUNCTION_UNDER_TEST) ": %dx%d ", TEST_SOURCES, TEST_LEN);
|
|
|
|
// Allocate the arrays
|
|
for (i = 0; i < TEST_SOURCES; i++) {
|
|
if (posix_memalign(&buf, 64, TEST_LEN)) {
|
|
printf("alloc error: Fail");
|
|
return -1;
|
|
}
|
|
buffs[i] = buf;
|
|
}
|
|
|
|
if (posix_memalign(&buf, 64, TEST_LEN)) {
|
|
printf("alloc error: Fail");
|
|
return -1;
|
|
}
|
|
dest = buf;
|
|
|
|
if (posix_memalign(&buf, 64, TEST_LEN)) {
|
|
printf("alloc error: Fail");
|
|
return -1;
|
|
}
|
|
dest_ref = buf;
|
|
|
|
if (posix_memalign(&buf, 64, TEST_LEN)) {
|
|
printf("alloc error: Fail");
|
|
return -1;
|
|
}
|
|
temp_buff = buf;
|
|
|
|
// Test of all zeros
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
memset(buffs[i], 0, TEST_LEN);
|
|
|
|
memset(dest, 0, TEST_LEN);
|
|
memset(temp_buff, 0, TEST_LEN);
|
|
memset(dest_ref, 0, TEST_LEN);
|
|
memset(g, 0, TEST_SOURCES);
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
gf_vect_mul_init(g[i], &g_tbls[i * 32]);
|
|
|
|
gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref);
|
|
|
|
FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest);
|
|
|
|
if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
|
|
printf("Fail zero " xstr(FUNCTION_UNDER_TEST) " \n");
|
|
dump_matrix(buffs, 5, TEST_SOURCES);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, 25);
|
|
printf("dprod:");
|
|
dump(dest, 25);
|
|
return -1;
|
|
} else
|
|
putchar('.');
|
|
|
|
// Rand data test
|
|
for (rtest = 0; rtest < RANDOMS; rtest++) {
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
for (j = 0; j < TEST_LEN; j++)
|
|
buffs[i][j] = rand();
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
g[i] = rand();
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
gf_vect_mul_init(g[i], &g_tbls[i * 32]);
|
|
|
|
gf_vect_dot_prod_base(TEST_LEN, TEST_SOURCES, &g_tbls[0], buffs, dest_ref);
|
|
FUNCTION_UNDER_TEST(TEST_LEN, TEST_SOURCES, g_tbls, buffs, dest);
|
|
|
|
if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
|
|
printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " 1\n");
|
|
dump_matrix(buffs, 5, TEST_SOURCES);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, 25);
|
|
printf("dprod:");
|
|
dump(dest, 25);
|
|
return -1;
|
|
}
|
|
|
|
putchar('.');
|
|
}
|
|
|
|
// Rand data test with varied parameters
|
|
for (rtest = 0; rtest < RANDOMS; rtest++) {
|
|
for (srcs = TEST_SOURCES; srcs > 0; srcs--) {
|
|
for (i = 0; i < srcs; i++)
|
|
for (j = 0; j < TEST_LEN; 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(TEST_LEN, srcs, &g_tbls[0], buffs, dest_ref);
|
|
FUNCTION_UNDER_TEST(TEST_LEN, srcs, g_tbls, buffs, dest);
|
|
|
|
if (0 != memcmp(dest_ref, dest, TEST_LEN)) {
|
|
printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test 2\n");
|
|
dump_matrix(buffs, 5, srcs);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, 5);
|
|
printf("dprod:");
|
|
dump(dest, 5);
|
|
return -1;
|
|
}
|
|
|
|
putchar('.');
|
|
}
|
|
}
|
|
|
|
// Test erasure code using gf_vect_dot_prod
|
|
|
|
// Pick a first test
|
|
m = 9;
|
|
k = 5;
|
|
if (m > MMAX || k > KMAX)
|
|
return -1;
|
|
|
|
gf_gen_rs_matrix(a, m, k);
|
|
|
|
// Make random data
|
|
for (i = 0; i < k; i++)
|
|
for (j = 0; j < TEST_LEN; j++)
|
|
buffs[i][j] = rand();
|
|
|
|
// Make parity vects
|
|
for (i = k; i < m; i++) {
|
|
for (j = 0; j < k; j++)
|
|
gf_vect_mul_init(a[k * i + j], &g_tbls[j * 32]);
|
|
#ifndef USEREF
|
|
FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, buffs, buffs[i]);
|
|
#else
|
|
gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], buffs, buffs[i]);
|
|
#endif
|
|
}
|
|
|
|
// Random buffers in erasure
|
|
memset(src_in_err, 0, TEST_SOURCES);
|
|
for (i = 0, nerrs = 0; i < k && nerrs < m - k; i++) {
|
|
err = 1 & rand();
|
|
src_in_err[i] = err;
|
|
if (err)
|
|
src_err_list[nerrs++] = i;
|
|
}
|
|
|
|
// construct b by removing error rows
|
|
for (i = 0, r = 0; i < k; i++, r++) {
|
|
while (src_in_err[r]) {
|
|
r++;
|
|
continue;
|
|
}
|
|
for (j = 0; j < k; j++)
|
|
b[k * i + j] = a[k * r + j];
|
|
}
|
|
|
|
if (gf_invert_matrix((u8 *) b, (u8 *) d, k) < 0)
|
|
printf("BAD MATRIX\n");
|
|
|
|
for (i = 0, r = 0; i < k; i++, r++) {
|
|
while (src_in_err[r]) {
|
|
r++;
|
|
continue;
|
|
}
|
|
recov[i] = buffs[r];
|
|
}
|
|
|
|
// Recover data
|
|
for (i = 0; i < nerrs; i++) {
|
|
for (j = 0; j < k; j++)
|
|
gf_vect_mul_init(d[k * src_err_list[i] + j], &g_tbls[j * 32]);
|
|
#ifndef USEREF
|
|
FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, recov, temp_buff);
|
|
#else
|
|
gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], recov, temp_buff);
|
|
#endif
|
|
|
|
if (0 != memcmp(temp_buff, buffs[src_err_list[i]], TEST_LEN)) {
|
|
printf("Fail error recovery (%d, %d, %d)\n", m, k, nerrs);
|
|
printf("recov %d:", src_err_list[i]);
|
|
dump(temp_buff, 25);
|
|
printf("orig :");
|
|
dump(buffs[src_err_list[i]], 25);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
// Do more random tests
|
|
|
|
for (rtest = 0; rtest < RANDOMS; rtest++) {
|
|
while ((m = (rand() % MMAX)) < 2) ;
|
|
while ((k = (rand() % KMAX)) >= m || k < 1) ;
|
|
|
|
if (m > MMAX || k > KMAX)
|
|
continue;
|
|
|
|
gf_gen_rs_matrix(a, m, k);
|
|
|
|
// Make random data
|
|
for (i = 0; i < k; i++)
|
|
for (j = 0; j < TEST_LEN; j++)
|
|
buffs[i][j] = rand();
|
|
|
|
// Make parity vects
|
|
for (i = k; i < m; i++) {
|
|
for (j = 0; j < k; j++)
|
|
gf_vect_mul_init(a[k * i + j], &g_tbls[j * 32]);
|
|
#ifndef USEREF
|
|
FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, buffs, buffs[i]);
|
|
#else
|
|
gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], buffs, buffs[i]);
|
|
#endif
|
|
}
|
|
|
|
// Random errors
|
|
memset(src_in_err, 0, TEST_SOURCES);
|
|
for (i = 0, nerrs = 0; i < k && nerrs < m - k; i++) {
|
|
err = 1 & rand();
|
|
src_in_err[i] = err;
|
|
if (err)
|
|
src_err_list[nerrs++] = i;
|
|
}
|
|
if (nerrs == 0) { // should have at least one error
|
|
while ((err = (rand() % KMAX)) >= k) ;
|
|
src_err_list[nerrs++] = err;
|
|
src_in_err[err] = 1;
|
|
}
|
|
// construct b by removing error rows
|
|
for (i = 0, r = 0; i < k; i++, r++) {
|
|
while (src_in_err[r]) {
|
|
r++;
|
|
continue;
|
|
}
|
|
for (j = 0; j < k; j++)
|
|
b[k * i + j] = a[k * r + j];
|
|
}
|
|
|
|
if (gf_invert_matrix((u8 *) b, (u8 *) d, k) < 0)
|
|
printf("BAD MATRIX\n");
|
|
|
|
for (i = 0, r = 0; i < k; i++, r++) {
|
|
while (src_in_err[r]) {
|
|
r++;
|
|
continue;
|
|
}
|
|
recov[i] = buffs[r];
|
|
}
|
|
|
|
// Recover data
|
|
for (i = 0; i < nerrs; i++) {
|
|
for (j = 0; j < k; j++)
|
|
gf_vect_mul_init(d[k * src_err_list[i] + j], &g_tbls[j * 32]);
|
|
#ifndef USEREF
|
|
FUNCTION_UNDER_TEST(TEST_LEN, k, g_tbls, recov, temp_buff);
|
|
#else
|
|
gf_vect_dot_prod_base(TEST_LEN, k, &g_tbls[0], recov, temp_buff);
|
|
#endif
|
|
if (0 != memcmp(temp_buff, buffs[src_err_list[i]], TEST_LEN)) {
|
|
printf("Fail error recovery (%d, %d, %d) - ", m, k, nerrs);
|
|
printf(" - erase list = ");
|
|
for (i = 0; i < nerrs; i++)
|
|
printf(" %d", src_err_list[i]);
|
|
printf("\na:\n");
|
|
dump_u8xu8((u8 *) a, m, k);
|
|
printf("inv b:\n");
|
|
dump_u8xu8((u8 *) d, k, k);
|
|
printf("orig data:\n");
|
|
dump_matrix(buffs, m, 25);
|
|
printf("orig :");
|
|
dump(buffs[src_err_list[i]], 25);
|
|
printf("recov %d:", src_err_list[i]);
|
|
dump(temp_buff, 25);
|
|
return -1;
|
|
}
|
|
}
|
|
putchar('.');
|
|
}
|
|
|
|
// Run tests at end of buffer for Electric Fence
|
|
align = (LEN_ALIGN_CHK_B != 0) ? 1 : 16;
|
|
for (size = TEST_MIN_SIZE; size <= TEST_SIZE; size += align) {
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
for (j = 0; j < TEST_LEN; j++)
|
|
buffs[i][j] = rand();
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++) // Line up TEST_SIZE from end
|
|
efence_buffs[i] = buffs[i] + TEST_LEN - size;
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
g[i] = rand();
|
|
|
|
for (i = 0; i < TEST_SOURCES; i++)
|
|
gf_vect_mul_init(g[i], &g_tbls[i * 32]);
|
|
|
|
gf_vect_dot_prod_base(size, TEST_SOURCES, &g_tbls[0], efence_buffs, dest_ref);
|
|
FUNCTION_UNDER_TEST(size, TEST_SOURCES, g_tbls, efence_buffs, dest);
|
|
|
|
if (0 != memcmp(dest_ref, dest, size)) {
|
|
printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " test 3\n");
|
|
dump_matrix(efence_buffs, 5, TEST_SOURCES);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, align);
|
|
printf("dprod:");
|
|
dump(dest, align);
|
|
return -1;
|
|
}
|
|
|
|
putchar('.');
|
|
}
|
|
|
|
// Test rand ptr alignment if available
|
|
|
|
for (rtest = 0; rtest < RANDOMS; rtest++) {
|
|
size = (TEST_LEN - PTR_ALIGN_CHK_B) & ~(TEST_MIN_SIZE - 1);
|
|
srcs = rand() % TEST_SOURCES;
|
|
if (srcs == 0)
|
|
continue;
|
|
|
|
offset = (PTR_ALIGN_CHK_B != 0) ? 1 : PTR_ALIGN_CHK_B;
|
|
// Add random offsets
|
|
for (i = 0; i < srcs; i++)
|
|
ubuffs[i] = buffs[i] + (rand() & (PTR_ALIGN_CHK_B - offset));
|
|
|
|
udest_ptr = dest + (rand() & (PTR_ALIGN_CHK_B - offset));
|
|
|
|
memset(dest, 0, TEST_LEN); // zero pad to check write-over
|
|
|
|
for (i = 0; i < srcs; i++)
|
|
for (j = 0; j < size; j++)
|
|
ubuffs[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], ubuffs, dest_ref);
|
|
|
|
FUNCTION_UNDER_TEST(size, srcs, g_tbls, ubuffs, udest_ptr);
|
|
|
|
if (memcmp(dest_ref, udest_ptr, size)) {
|
|
printf("Fail rand " xstr(FUNCTION_UNDER_TEST) " ualign srcs=%d\n",
|
|
srcs);
|
|
dump_matrix(ubuffs, 5, TEST_SOURCES);
|
|
printf("dprod_base:");
|
|
dump(dest_ref, 25);
|
|
printf("dprod:");
|
|
dump(udest_ptr, 25);
|
|
return -1;
|
|
}
|
|
// Confirm that padding around dests is unchanged
|
|
memset(dest_ref, 0, PTR_ALIGN_CHK_B); // Make reference zero buff
|
|
offset = udest_ptr - dest;
|
|
|
|
if (memcmp(dest, dest_ref, offset)) {
|
|
printf("Fail rand ualign pad start\n");
|
|
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;
|
|
}
|