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Diffstat (limited to '')
| -rw-r--r-- | src/isa-l/erasure_code/gf_vect_mul_base_test.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/isa-l/erasure_code/gf_vect_mul_base_test.c b/src/isa-l/erasure_code/gf_vect_mul_base_test.c new file mode 100644 index 000000000..c47d2365d --- /dev/null +++ b/src/isa-l/erasure_code/gf_vect_mul_base_test.c @@ -0,0 +1,129 @@ +/********************************************************************** + 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 +#include "erasure_code.h" + +#define TEST_SIZE 8192 +#define TEST_MEM TEST_SIZE +#define TEST_LOOPS 100000 +#define TEST_TYPE_STR "" + +typedef unsigned char u8; + +int main(int argc, char *argv[]) +{ + int i; + u8 *buff1, *buff2, *buff3, gf_const_tbl[64], a = 2; + int align, size; + unsigned char *efence_buff1; + unsigned char *efence_buff2; + + printf("gf_vect_mul_base_test:\n"); + + gf_vect_mul_init(a, gf_const_tbl); + + buff1 = (u8 *) malloc(TEST_SIZE); + buff2 = (u8 *) malloc(TEST_SIZE); + buff3 = (u8 *) malloc(TEST_SIZE); + + if (NULL == buff1 || NULL == buff2 || NULL == buff3) { + printf("buffer alloc error\n"); + return -1; + } + // Fill with rand data + for (i = 0; i < TEST_SIZE; i++) + buff1[i] = rand(); + + gf_vect_mul_base(TEST_SIZE, gf_const_tbl, buff1, buff2); + + for (i = 0; i < TEST_SIZE; i++) + if (gf_mul(a, buff1[i]) != buff2[i]) { + printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n", i, buff1[i], buff2[i], + gf_mul(2, buff1[i])); + return 1; + } + + gf_vect_mul_base(TEST_SIZE, gf_const_tbl, buff1, buff3); + + // Check reference function + for (i = 0; i < TEST_SIZE; i++) + if (buff2[i] != buff3[i]) { + printf("fail at %d, 0x%x x 0x%d = 0x%x (0x%x)\n", + i, a, buff1[i], buff2[i], gf_mul(a, buff1[i])); + return 1; + } + + for (i = 0; i < TEST_SIZE; i++) + buff1[i] = rand(); + + // Check each possible constant + printf("Random tests "); + for (a = 0; a != 255; a++) { + gf_vect_mul_init(a, gf_const_tbl); + gf_vect_mul_base(TEST_SIZE, gf_const_tbl, buff1, buff2); + + for (i = 0; i < TEST_SIZE; i++) + if (gf_mul(a, buff1[i]) != buff2[i]) { + printf("fail at %d, 0x%x x %d = 0x%x (0x%x)\n", + i, a, buff1[i], buff2[i], gf_mul(2, buff1[i])); + return 1; + } + putchar('.'); + } + + // Run tests at end of buffer for Electric Fence + align = 32; + a = 2; + + gf_vect_mul_init(a, gf_const_tbl); + for (size = 0; size < TEST_SIZE; size += align) { + // Line up TEST_SIZE from end + efence_buff1 = buff1 + size; + efence_buff2 = buff2 + size; + + gf_vect_mul_base(TEST_SIZE - size, gf_const_tbl, efence_buff1, efence_buff2); + + for (i = 0; i < TEST_SIZE - size; i++) + if (gf_mul(a, efence_buff1[i]) != efence_buff2[i]) { + printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n", + i, efence_buff1[i], efence_buff2[i], gf_mul(2, + efence_buff1 + [i])); + return 1; + } + + putchar('.'); + } + + printf(" done: Pass\n"); + return 0; +} |