std::vector<int>::iterator it; it = find (myvector.begin(), myvector.end(),30); find_if boolIsOdd(inti){return((i%2)==1); }std::vector<int>::iterator it =std::find_if (myvector.begin(), myvector.end(), IsOdd);
1.vector底层实现是数组; list是双向链表; 2.vector是顺序内存,支持随机访问,list不行; 3.vector在中间节点进行插入删除会导致内存拷贝,list不会; 4.vector一次性分配好内存,不够时才进行翻倍扩容;list每次插入新节点都会进行内存申请; 5.vector随机访问性能好,插入删除性能差;list随机访问性能差,插入删除性能好. ...
runtime::NDArray res = get_output(0); cv::Mat vector(128,1,CV_32F); memcpy(vector.data,res->data,128*4); cv::Mat _l2; // normlize cv::multiply(vector,vector,_l2); float l2 = cv::sqrt(cv::sum(_l2).val[0]); vector = vector / l2; TVMArrayFree(input); return vector; ...
for (int i = 0; i < m_VideoHeight; ++i) { //一行一行地拷贝图像数据 memcpy(dstBuffer + i * dstLineSize, m_FrameBuffer + i * srcLineSize, srcLineSize); } //解锁当前 Window ,渲染缓冲区数据 ANativeWindow_unlockAndPost(m_NativeWindow);//4. 释放 ANativeWindow if(m_NativeWindow) ANativ...
} memcpy(pb + i*qk/2, pp, sizeof(pp));//将一个块量化后将数据拷贝到目标空间。 } } } return (n/k)*row_size;//量化后的字节数 } 参考 冥王星:地平线旭日X3硬件平台模型转换的细节发布于 2024-06-06 13:19・四川 llama 大模型量化 ...
memcpy(tmp, _start, sizeof(T)*size); for (int i = 0; i < size; i++) { tmp[i] = _start[i]; } delete[] _start; _start = tmp; _finish = _start + size; _eos = _start + n; } } size_t Size() { return _finish - _start; } T& operator[](size_t pos) { assert...
cmake_minimum_required(VERSION 3.0)find_package (Threads) add_executable(memcpy main.cppTARGET memcpy PROPERTY CXX_STANDARD 17) 浏览2提问于2018-11-15得票数 0 回答已采纳 1回答 未被识别的语用:约简子句x openMP 、、 注意,函数内部的for-循环不是并行的,因为函数本身已经被并行化了。你能说问题出...
std::vector Defined in header<vector> template< classT, classAllocator=std::allocator<T> >classvector; (1) namespace { template<classT> usingvector=std::vector<T,std::pmr::polymorphic_allocator<T>>; } (2) (since C++17) 1)std::vectoris a sequence container that encapsulates dynamic siz...
= 0) *cp++ = ':'; memcpy(cp, *argp, strLen); cp += strLen; } *cp = '\0'; assert((int) strlen(bootClassPath) == bcpLen-1); } ALOGV(" bootclasspath is '%s'", bootClassPath); /* start the VM partway */ /* ugh -- upgrade these to a bit field if they get any ...
vector的shrink_to_fit()、size()和capacity() Aug 30, 2019 main4.cpp 继承及继承访问控制 Sep 5, 2019 main40.cpp decltype(exp)类型指示符和auto()类型说明符 Aug 30, 2019 main6.cpp 重写(或覆盖)、隐藏、override和final Aug 7, 2019