// 内存页对齐分配示例
void* aligned_alloc(size_t alignment, size_t size) {
void* ptr = nullptr;
posix_memalign(&ptr, alignment, size); // POSIX标准接口
return ptr;
}
// ECS架构代码示例
struct TransformComponent {
vec3 position;
quat rotation;
};
class Entity {
std::vector<std::unique_ptr<Component>> components;
};
class MemoryPool {
struct Block { Block* next; };
std::atomic<Block*> freeList;
void* alloc() {
Block* oldHead = freeList.load(std::memory_order_acquire);
while (!freeList.compare_exchange_weak(oldHead, oldHead->next));
return oldHead;
}
};
#include <wiringPi.h>
int main() {
wiringPiSetup();
pinMode(0, OUTPUT);
digitalWrite(0, HIGH); // 点亮LED
}
struct HelloPass : public PassInfoMixin<HelloPass> {
PreservedAnalyses run(Function &F, FunctionAnalysisManager &) {
errs() << "Function: " << F.getName() << "\n";
return PreservedAnalyses::all();
}
};
维度 | 本科生 | 硕士生 | 数据来源 |
---|---|---|---|
平均起薪 | ¥218,000 | ¥326,000 | 猎聘《2024应届生薪酬报告》 |
大厂Offer率 | 22% | 41% | 牛客网校招统计 |
核心技术岗占比 | 35% | 68% | 拉勾网岗位分析 |
graph LR
A[语法基础] --> B[STL/Boost]
B --> C[模板元编程]
C --> D[并发/异步]
D --> E[性能优化]
E --> F[领域专精]
附录:资源大全