ceph/src/isa-l/erasure_code/gf_vect_mul_sse_test.c

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  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include "erasure_code.h"
  33
  34 #define TEST_SIZE (128*1024)
  35
  36 typedef unsigned char u8;
  37
  38 int main(int argc, char *argv[])
  39 {
  40         int i;
  41         u8 *buff1, *buff2, *buff3, gf_const_tbl[64], a = 2;
  42         int tsize;
  43         int align, size;
  44         unsigned char *efence_buff1;
  45         unsigned char *efence_buff2;
  46         unsigned char *efence_buff3;
  47
  48         printf("gf_vect_mul_sse_test: ");
  49
  50         gf_vect_mul_init(a, gf_const_tbl);
  51
  52         buff1 = (u8 *) malloc(TEST_SIZE);
  53         buff2 = (u8 *) malloc(TEST_SIZE);
  54         buff3 = (u8 *) malloc(TEST_SIZE);
  55
  56         if (NULL == buff1 || NULL == buff2 || NULL == buff3) {
  57                 printf("buffer alloc error\n");
  58                 return -1;
  59         }
  60         // Fill with rand data
  61         for (i = 0; i < TEST_SIZE; i++)
  62                 buff1[i] = rand();
  63
  64         gf_vect_mul_sse(TEST_SIZE, gf_const_tbl, buff1, buff2);
  65
  66         for (i = 0; i < TEST_SIZE; i++) {
  67                 if (gf_mul(a, buff1[i]) != buff2[i]) {
  68                         printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n", i,
  69                                buff1[i], buff2[i], gf_mul(2, buff1[i]));
  70                         return -1;
  71                 }
  72         }
  73
  74         gf_vect_mul_base(TEST_SIZE, gf_const_tbl, buff1, buff3);
  75
  76         // Check reference function
  77         for (i = 0; i < TEST_SIZE; i++) {
  78                 if (buff2[i] != buff3[i]) {
  79                         printf("fail at %d, 0x%x x 0x%d = 0x%x (0x%x)\n",
  80                                i, a, buff1[i], buff2[i], gf_mul(a, buff1[i]));
  81                         return -1;
  82                 }
  83         }
  84
  85         for (i = 0; i < TEST_SIZE; i++)
  86                 buff1[i] = rand();
  87
  88         // Check each possible constant
  89         for (a = 0; a != 255; a++) {
  90                 gf_vect_mul_init(a, gf_const_tbl);
  91                 gf_vect_mul_sse(TEST_SIZE, gf_const_tbl, buff1, buff2);
  92
  93                 for (i = 0; i < TEST_SIZE; i++)
  94                         if (gf_mul(a, buff1[i]) != buff2[i]) {
  95                                 printf("fail at %d, 0x%x x %d = 0x%x (0x%x)\n",
  96                                        i, a, buff1[i], buff2[i], gf_mul(2, buff1[i]));
  97                                 return -1;
  98                         }
  99                 putchar('.');
 100         }
 101
 102         // Check buffer len
 103         for (tsize = TEST_SIZE; tsize > 0; tsize -= 32) {
 104                 a = rand();
 105                 gf_vect_mul_init(a, gf_const_tbl);
 106                 gf_vect_mul_sse(tsize, gf_const_tbl, buff1, buff2);
 107
 108                 for (i = 0; i < tsize; i++)
 109                         if (gf_mul(a, buff1[i]) != buff2[i]) {
 110                                 printf("fail at %d, 0x%x x %d = 0x%x (0x%x)\n",
 111                                        i, a, buff1[i], buff2[i], gf_mul(2, buff1[i]));
 112                                 return -1;
 113                         }
 114                 if (0 == tsize % (32 * 8)) {
 115                         putchar('.');
 116                         fflush(0);
 117                 }
 118         }
 119
 120         // Run tests at end of buffer for Electric Fence
 121         align = 32;
 122         a = 2;
 123
 124         gf_vect_mul_init(a, gf_const_tbl);
 125         for (size = 0; size < TEST_SIZE; size += align) {
 126                 // Line up TEST_SIZE from end
 127                 efence_buff1 = buff1 + size;
 128                 efence_buff2 = buff2 + size;
 129                 efence_buff3 = buff3 + size;
 130
 131                 gf_vect_mul_sse(TEST_SIZE - size, gf_const_tbl, efence_buff1, efence_buff2);
 132
 133                 for (i = 0; i < TEST_SIZE - size; i++)
 134                         if (gf_mul(a, efence_buff1[i]) != efence_buff2[i]) {
 135                                 printf("fail at %d, 0x%x x 2 = 0x%x (0x%x)\n",
 136                                        i, efence_buff1[i], efence_buff2[i], gf_mul(2,
 137                                                                                    efence_buff1
 138                                                                                    [i]));
 139                                 return 1;
 140                         }
 141
 142                 gf_vect_mul_base(TEST_SIZE - size, gf_const_tbl, efence_buff1, efence_buff3);
 143
 144                 // Check reference function
 145                 for (i = 0; i < TEST_SIZE - size; i++)
 146                         if (efence_buff2[i] != efence_buff3[i]) {
 147                                 printf("fail at %d, 0x%x x 0x%d = 0x%x (0x%x)\n",
 148                                        i, a, efence_buff2[i], efence_buff3[i], gf_mul(2,
 149                                                                                       efence_buff1
 150                                                                                       [i]));
 151                                 return 1;
 152                         }
 153
 154                 putchar('.');
 155         }
 156
 157         printf(" done: Pass\n");
 158         fflush(0);
 159         return 0;
 160 }