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@ -34,20 +34,23 @@ static float c_float[Nc + MAX_SEQ_LEN + 31];
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static int16_t c_short[Nc + MAX_SEQ_LEN + 31];
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static int16_t c_short[Nc + MAX_SEQ_LEN + 31];
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static int8_t c_char[Nc + MAX_SEQ_LEN + 31];
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static int8_t c_char[Nc + MAX_SEQ_LEN + 31];
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static uint8_t c_packed[MAX_SEQ_LEN / 8];
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static uint8_t c_packed[MAX_SEQ_LEN / 8];
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static uint8_t c_unpacked[MAX_SEQ_LEN];
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static float ones_float[Nc + MAX_SEQ_LEN + 31];
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static float ones_float[Nc + MAX_SEQ_LEN + 31];
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static int16_t ones_short[Nc + MAX_SEQ_LEN + 31];
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static int16_t ones_short[Nc + MAX_SEQ_LEN + 31];
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static int8_t ones_char[Nc + MAX_SEQ_LEN + 31];
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static int8_t ones_char[Nc + MAX_SEQ_LEN + 31];
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static uint8_t ones_packed[MAX_SEQ_LEN / 8];
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static uint8_t ones_packed[MAX_SEQ_LEN / 8];
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static uint8_t ones_unpacked[MAX_SEQ_LEN];
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static int test_sequence(srslte_sequence_t* sequence, uint32_t seed, uint32_t length, uint32_t repetitions)
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static int test_sequence(srslte_sequence_t* sequence, uint32_t seed, uint32_t length, uint32_t repetitions)
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{
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{
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int ret = SRSLTE_SUCCESS;
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int ret = SRSLTE_SUCCESS;
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struct timeval t[3] = {};
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struct timeval t[3] = {};
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uint64_t interval_gen_us = 0;
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uint64_t interval_gen_us = 0;
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uint64_t interval_xor_float_us = 0;
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uint64_t interval_xor_float_us = 0;
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uint64_t interval_xor_short_us = 0;
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uint64_t interval_xor_short_us = 0;
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uint64_t interval_xor_char_us = 0;
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uint64_t interval_xor_char_us = 0;
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uint64_t interval_xor_unpacked_us = 0;
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gettimeofday(&t[1], NULL);
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gettimeofday(&t[1], NULL);
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@ -135,6 +138,15 @@ static int test_sequence(srslte_sequence_t* sequence, uint32_t seed, uint32_t le
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get_time_interval(t);
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get_time_interval(t);
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interval_xor_char_us = t->tv_sec * 1000000UL + t->tv_usec;
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interval_xor_char_us = t->tv_sec * 1000000UL + t->tv_usec;
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// Test in-place unpacked XOR
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gettimeofday(&t[1], NULL);
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for (uint32_t r = 0; r < repetitions; r++) {
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srslte_sequence_apply_bit(ones_unpacked, c_unpacked, length, seed);
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}
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gettimeofday(&t[2], NULL);
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get_time_interval(t);
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interval_xor_unpacked_us = t->tv_sec * 1000000UL + t->tv_usec;
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if (memcmp(c_char, sequence->c_char, length * sizeof(int8_t)) != 0) {
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if (memcmp(c_char, sequence->c_char, length * sizeof(int8_t)) != 0) {
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ERROR("Unmatched XOR c_char");
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ERROR("Unmatched XOR c_char");
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ret = SRSLTE_ERROR;
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ret = SRSLTE_ERROR;
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@ -145,13 +157,19 @@ static int test_sequence(srslte_sequence_t* sequence, uint32_t seed, uint32_t le
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ret = SRSLTE_ERROR;
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ret = SRSLTE_ERROR;
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}
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}
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printf("%08x; %8d; %8.1f; %8.1f; %8.1f; %8.1f; %8c\n",
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if (memcmp(c, c_unpacked, length) != 0) {
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ERROR("Unmatched c_unpacked");
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ret = SRSLTE_ERROR;
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}
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printf("%08x; %8d; %8.1f; %8.1f; %8.1f; %8.1f; %8.1f; %8c\n",
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seed,
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seed,
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length,
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length,
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(double)(length * repetitions) / (double)interval_gen_us,
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(double)(length * repetitions) / (double)interval_gen_us,
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(double)(length * repetitions) / (double)interval_xor_float_us,
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(double)(length * repetitions) / (double)interval_xor_float_us,
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(double)(length * repetitions) / (double)interval_xor_short_us,
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(double)(length * repetitions) / (double)interval_xor_short_us,
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(double)(length * repetitions) / (double)interval_xor_char_us,
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(double)(length * repetitions) / (double)interval_xor_char_us,
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(double)(length * repetitions) / (double)interval_xor_unpacked_us,
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ret == SRSLTE_SUCCESS ? 'y' : 'n');
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ret == SRSLTE_SUCCESS ? 'y' : 'n');
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return SRSLTE_SUCCESS;
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return SRSLTE_SUCCESS;
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@ -168,9 +186,10 @@ int main(int argc, char** argv)
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// Initialise vectors with ones
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// Initialise vectors with ones
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for (uint32_t i = 0; i < MAX_SEQ_LEN; i++) {
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for (uint32_t i = 0; i < MAX_SEQ_LEN; i++) {
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ones_float[i] = 1.0F;
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ones_float[i] = 1.0F;
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ones_short[i] = 1;
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ones_short[i] = 1;
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ones_char[i] = 1;
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ones_char[i] = 1;
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ones_unpacked[i] = 0;
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if (i < MAX_SEQ_LEN / 8) {
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if (i < MAX_SEQ_LEN / 8) {
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ones_packed[i] = UINT8_MAX;
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ones_packed[i] = UINT8_MAX;
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}
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}
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@ -182,7 +201,15 @@ int main(int argc, char** argv)
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return SRSLTE_ERROR;
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return SRSLTE_ERROR;
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}
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}
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printf("%8s; %8s; %8s; %8s; %8s; %8s; %8s\n", "seed", "length", "GEN", "XOR PS", "XOR 16", "XOR 8", "Passed");
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printf("%8s; %8s; %8s; %8s; %8s; %8s; %8s; %8s;\n",
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"seed",
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"length",
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"GEN",
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"XOR PS",
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"XOR 16",
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"XOR 8",
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"XOR Unpack",
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"Passed");
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for (uint32_t length = min_length; length <= max_length; length = (length * 5) / 4) {
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for (uint32_t length = min_length; length <= max_length; length = (length * 5) / 4) {
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test_sequence(&sequence, (uint32_t)srslte_random_uniform_int_dist(random_gen, 1, INT32_MAX), length, repetitions);
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test_sequence(&sequence, (uint32_t)srslte_random_uniform_int_dist(random_gen, 1, INT32_MAX), length, repetitions);
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