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print megabits per second

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Ahmet Inan 2025-12-30 05:56:12 +01:00
commit 7412c94144
1 changed files with 11 additions and 1 deletions
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12
tests/osd_regression_test.cc
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@ -5,6 +5,7 @@ Copyright 2020 Ahmet Inan <inan@aicodix.de>
*/
#include <random>
#include <chrono>
#include <cassert>
#include <iostream>
#include <functional>
@ -77,6 +78,7 @@ int main()
typedef std::normal_distribution<double> normal;
auto awgn = std::bind(normal(mean_noise, sigma_noise), generator(rd()));
double avg_mbs = 0;
int awgn_errors = 0;
int quantization_erasures = 0;
int uncorrected_errors = 0;
@ -113,7 +115,12 @@ int main()
for (int i = 0; i < N; ++i)
noisy[i] = std::min<double>(std::max<double>(std::nearbyint(fact * symb[i]), -127), 127);
auto start = std::chrono::system_clock::now();
bool unique = osddec(decoded, noisy, genmat);
auto end = std::chrono::system_clock::now();
auto usec = std::chrono::duration_cast<std::chrono::microseconds>(end - start);
double mbs = (double)K / usec.count();
avg_mbs += mbs;
for (int i = 0; i < N; ++i)
awgn_errors += noisy[i] * orig[i] < 0;
@ -148,6 +155,8 @@ int main()
bchdec_errors += CODE::get_be_bit(parity, i-K) != CODE::get_be_bit(codeword, i);
}
avg_mbs /= loops;
double frame_error_rate = (double)frame_errors / (double)loops;
double bit_error_rate = (double)uncorrected_errors / (double)(N * loops);
if (!uncorrected_errors && !ambiguity_erasures)
@ -169,9 +178,10 @@ int main()
std::cerr << ambiguity_erasures << " ambiguity erasures." << std::endl;
std::cerr << frame_error_rate << " frame error rate." << std::endl;
std::cerr << bit_error_rate << " bit error rate." << std::endl;
std::cerr << avg_mbs << " megabit per second." << std::endl;
std::cerr << bchdec_ber << " BCH decoder bit error rate." << std::endl;
} else {
std::cout << SNR << " " << frame_error_rate << " " << bit_error_rate << " " << bchdec_ber << " " << EbN0 << std::endl;
std::cout << SNR << " " << frame_error_rate << " " << bit_error_rate << " " << avg_mbs << " " << bchdec_ber << " " << EbN0 << std::endl;
}
}
std::cerr << "QEF at: " << min_SNR << " SNR" << std::endl;