Find a permutation of a given sequence A with N elements, such that it is a max-heap and when converting it to a sorted sequence, the total number of swaps in maxHeapify of line 25 in the pseudo code is maximal
Pseudo-Code voidheap_sort(intArr[],intN){ build_heap(Arr);for(inti = N-1; i >=1; i--) { swap(Arr[i], Arr[0]); down_heapify(Arr,0, i+1); } } → For the implementation ofdown_heapify()refer to the blogoperation of heaps. Time Complexity The complexity of the heap sort ...
A common way to speed up a computation on a multicore machine is to have multiple threads working on disjoint, non-interfering parts of the same problem. Examples include implementation of matrix multiplications, unionfind, mergesort, and tree traversals. The correctness of the computation often r...
HEAP的概念 堆栈堆栈,在操作系统内存中有两种存储空间,一个是堆,一个是栈。堆主要用于存储用户动态分配的变量,而栈呢,则是存储我们程序过程中的临时变量。当然栈的作用远不止用作存储变量,但这不是我们这篇文章的讨论内容。 堆(HEAP)的分配,使用,回收都是通过微软的API来管理的,最常见的API是malloc和new。在往...
HeapSortParallel is a VHDL design entity whose function is to sort a list of integers into a numerically ascending sequence using a heap sort. The unsorted and the sorted lists are input and output in parallel and the algorithm can be represented in pseudo-VHDL as follows: ...
O(n) for 8-bit elements (counting sort algorithm), much faster than GNU/Clang qsort() (C), and up to 5x faster than GNU/Clang std::vector sort (C++) O(n log n) -pseudo O(n)- for 16/32/64-bit elements (in-place MSD binary radix sort algorithm), 2x-3x faster than GNU/Clan...
ApacheBench (ab) is a very handy webserver benchmarking tool which can be run from command line. It is extremely simple to use. A quick outcome can be obtained in just one minute. It does not require too much much familiarity with load and performance testing concepts. No complex setup ...
I was originally going to have this as just a part of the pseudo-code below, but I kept seeing this in the things I was reading without any sort of explanation as to what it was. An exhaustive backup is when you take the existing set of trees generated, and you make them the “lea...
A common way to speed up a computation on a multicore machine is to have multiple threads working on disjoint, non-interfering parts of the same problem. Examples include implementation of matrix multiplications, unionfind, mergesort, and tree traversals. The correctness of the computation often ...