Function array_rmse

tests/test-quantize-fns.cpp:33–40

Calculate RMSE between two float arrays

// Calculate RMSE between two float arrays
static float array_rmse(const float * a1, const float * a2, size_t n) {
    double sum = 0;
    for (size_t i = 0; i < n; i++) {
        double diff = a1[i] - a2[i];
        sum += diff * diff;
    }
    return sqrtf(sum) / n;
}

// Total quantization error on test data
static float total_quantization_error(ggml_type_traits_t & qfns, size_t test_size, const float * test_data) {