Learn how to optimize small object allocations in C++ for embedded systems to enhance performance and manage memory effectively.
embedded systems, C++ memory optimization, small object allocation, performance tuning, embedded programming
#include <iostream>
// Custom memory pool for small object allocation
class SmallObjectPool {
public:
SmallObjectPool(size_t objectSize, size_t poolSize)
: objectSize(objectSize), poolSize(poolSize), pool(new char[objectSize * poolSize]), nextAvailable(0) {}
void* allocate() {
if (nextAvailable < poolSize) {
return pool + (nextAvailable++ * objectSize);
}
return nullptr; // Out of memory
}
void deallocate(void* ptr) {
// Custom deallocation logic can be added here
// For simplicity, this example does nothing
}
~SmallObjectPool() {
delete[] pool;
}
private:
size_t objectSize;
size_t poolSize;
char* pool;
size_t nextAvailable;
};
int main() {
SmallObjectPool smallPool(sizeof(int), 10); // Pool for 10 integers
int* obj1 = static_cast(smallPool.allocate());
*obj1 = 42;
std::cout << "Allocated integer: " << *obj1 << std::endl;
smallPool.deallocate(obj1);
return 0;
}
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