From 88cf7c69049f030ad80005becfbbc863b4c4cd1c Mon Sep 17 00:00:00 2001
From: mancini <mancini@astron.nl>
Date: Thu, 6 Feb 2025 13:58:29 +0100
Subject: [PATCH] Fix memory test
---
benchmarks/access_to_memory.cpp | 2 ++
benchmarks/matrix_multiplication.cpp | 2 ++
code/access_to_memory.h | 5 +++--
3 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/benchmarks/access_to_memory.cpp b/benchmarks/access_to_memory.cpp
index 1cdc1a1..372ddc4 100644
--- a/benchmarks/access_to_memory.cpp
+++ b/benchmarks/access_to_memory.cpp
@@ -5,6 +5,7 @@
#include <memory>
constexpr size_t MB = 1024 * 1024;
+namespace {
class InitializeInput : public benchmark::Fixture {
public:
void SetUp(::benchmark::State& state) {
@@ -31,6 +32,7 @@ class InitializeInput : public benchmark::Fixture {
float* B;
size_t array_size;
};
+} // namespace
BENCHMARK_F(InitializeInput, MemoryAccessRandomAccessData)
(benchmark::State& state) {
diff --git a/benchmarks/matrix_multiplication.cpp b/benchmarks/matrix_multiplication.cpp
index 75a058d..fb33ae1 100644
--- a/benchmarks/matrix_multiplication.cpp
+++ b/benchmarks/matrix_multiplication.cpp
@@ -1,6 +1,7 @@
#include <benchmark/benchmark.h>
#include <matrix_multiplication.h>
+namespace {
class InitializeInput : public benchmark::Fixture {
public:
void SetUp(::benchmark::State& state) {
@@ -25,6 +26,7 @@ class InitializeInput : public benchmark::Fixture {
std::complex<float>* B;
std::complex<float>* C;
};
+} // namespace
// Reference standard
BENCHMARK_F(InitializeInput, MatrixMultiplicationReference)
diff --git a/code/access_to_memory.h b/code/access_to_memory.h
index f4bda63..8d8375e 100644
--- a/code/access_to_memory.h
+++ b/code/access_to_memory.h
@@ -6,8 +6,9 @@
inline void Initialize(float* a, size_t size) {
// Initialize matrices with random complex values
- std::random_device rd;
- std::mt19937 gen(rd());
+ std::seed_seq seed({42});
+ std::mt19937 gen(seed);
+
std::uniform_real_distribution<float> dis(-1.0, 1.0);
for (size_t i = 0; i < size; i++) {
a[i] = dis(gen);
--
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