diff options
Diffstat (limited to 'test/correctness/testblas.cpp')
| -rw-r--r-- | test/correctness/testblas.cpp | 41 |
1 files changed, 32 insertions, 9 deletions
diff --git a/test/correctness/testblas.cpp b/test/correctness/testblas.cpp index aa4b4785..3c92565e 100644 --- a/test/correctness/testblas.cpp +++ b/test/correctness/testblas.cpp @@ -66,14 +66,14 @@ TestBlas<T,U>::TestBlas(const std::vector<std::string> &arguments, const bool si const auto max_offset = *std::max_element(kOffsets.begin(), kOffsets.end()); const auto max_batch_count = *std::max_element(kBatchCounts.begin(), kBatchCounts.end()); - // Creates test input data - x_source_.resize(max_batch_count * std::max(max_vec, max_matvec)*max_inc + max_offset); - y_source_.resize(max_batch_count * std::max(max_vec, max_matvec)*max_inc + max_offset); - a_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset); - b_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset); - c_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset); - ap_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_mat, max_matvec) + max_offset); - scalar_source_.resize(max_batch_count * std::max(max_mat, max_matvec) + max_offset); + // Creates test input data. Adds a 'canary' region to detect buffer overflows + x_source_.resize(max_batch_count * std::max(max_vec, max_matvec)*max_inc + max_offset + kCanarySize); + y_source_.resize(max_batch_count * std::max(max_vec, max_matvec)*max_inc + max_offset + kCanarySize); + a_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset + kCanarySize); + b_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset + kCanarySize); + c_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_ld, max_matvec) + max_offset + kCanarySize); + ap_source_.resize(max_batch_count * std::max(max_mat, max_matvec)*std::max(max_mat, max_matvec) + max_offset + kCanarySize); + scalar_source_.resize(max_batch_count * std::max(max_mat, max_matvec) + max_offset + kCanarySize); std::mt19937 mt(kSeed); std::uniform_real_distribution<double> dist(kTestDataLowerLimit, kTestDataUpperLimit); PopulateVector(x_source_, mt, dist); @@ -94,7 +94,16 @@ void TestBlas<T,U>::TestRegular(std::vector<Arguments<U>> &test_vector, const st TestStart("regular behaviour", name); // Iterates over all the to-be-tested combinations of arguments - for (const auto &args: test_vector) { + for (auto &args: test_vector) { + + // Adds a 'canary' region to detect buffer overflows + args.x_size += kCanarySize; + args.y_size += kCanarySize; + args.a_size += kCanarySize; + args.b_size += kCanarySize; + args.c_size += kCanarySize; + args.ap_size += kCanarySize; + args.scalar_size += kCanarySize; // Prints the current test configuration if (verbose_) { @@ -209,6 +218,20 @@ void TestBlas<T,U>::TestRegular(std::vector<Arguments<U>> &test_vector, const st } } } + // Checks for differences in the 'canary' region to detect buffer overflows + for (auto canary_id=size_t{0}; canary_id<kCanarySize; ++canary_id) { + auto index = get_index_(args, get_id1_(args) - 1, get_id2_(args) - 1) + canary_id; + if (!TestSimilarity(result1[index], result2[index])) { + errors++; + if (verbose_) { + if (get_id2_(args) == 1) { std::cout << std::endl << " Buffer overflow index " << index << ": "; } + else { std::cout << std::endl << " Buffer overflow " << index << ": "; } + std::cout << " " << ToString(result1[index]) << " (reference) versus "; + std::cout << " " << ToString(result2[index]) << " (CLBlast)"; + } + } + } + // Report the results if (verbose_ && errors > 0) { |