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searching for Heap (data structure) 86 found (158 total)

D-ary heap (1,741 words) [view diff] no match in snippet view article find links to article

The d-ary heap or d-heap is a priority queue data structure, a generalization of the binary heap in which the nodes have d children instead of 2. Thus

Beap (390 words) [view diff] no match in snippet view article find links to article

A beap, or bi-parental heap, is a data structure for a set (or map, or multiset or multimap) that enables elements (or mappings) to be located, inserted

Min-max heap (2,121 words) [view diff] no match in snippet view article find links to article

science, a min-max heap is a complete binary tree data structure which combines the usefulness of both a min-heap and a max-heap, that is, it provides

Implicit data structure (1,096 words) [view diff] no match in snippet view article find links to article

the best-known example of an implicit data structure, namely the binary heap, which is an implicit data structure for a priority queue. This is more sophisticated

Pagoda (data structure) (174 words) [view diff] no match in snippet view article

descendant leaf. The basic operation is merge or meld, which maintains the heap property. An element is inserted by merging it as a singleton. The root is

Bernard Chazelle (395 words) [view diff] no match in snippet view article find links to article

discrepancy theory. He is also known for his invention of the soft heap data structure and the most asymptotically efficient known deterministic algorithm

Retroactive data structure (1,152 words) [view diff] no match in snippet view article find links to article

The data structure we will use to add the spatial time dimension is a min-heap. Let the y axis represent the key values of the items within the heap and

Donald B. Johnson (357 words) [view diff] no match in snippet view article find links to article

founded in 1994, he became its first chair. Johnson invented the d-ary heap data structure, and is also known for Johnson's algorithm for the all-pairs shortest

Process Environment Block (580 words) [view diff] no match in snippet view article find links to article

Environment Block (abbreviated PEB) is a data structure in the Windows NT operating system family. It is an opaque data structure that is used by the operating system

Buffer overflow protection (2,836 words) [view diff] no match in snippet view article find links to article

memory address on the program's call stack outside of the intended data structure, which is usually a fixed-length buffer. Stack buffer overflow bugs

Integer sorting (4,049 words) [view diff] no match in snippet view article find links to article

tables needed to implement the data structure. The atomic heap is a B-tree in which each tree node is represented as a Q-heap; it allows constant time priority

Computer program (13,378 words) [view diff] no match in snippet view article find links to article

block. The heap region is located below the stack. It is populated from the bottom to the top. The operating system manages the heap using a heap pointer

Closure (computer programming) (6,372 words) [view diff] no match in snippet view article

unrelated meaning: the property of an operator that adds data to a data structure to also be able to add nested data structures. This use of the term

Stack buffer overflow (2,668 words) [view diff] no match in snippet view article find links to article

memory address on the program's call stack outside of the intended data structure, which is usually a fixed-length buffer. Stack buffer overflow bugs

Splaysort (700 words) [view diff] no match in snippet view article find links to article

is an adaptive comparison sorting algorithm based on the splay tree data structure. The steps of the algorithm are: Initialize an empty splay tree For

J. W. J. Williams (1,465 words) [view diff] no match in snippet view article find links to article

computer scientist best known for inventing heapsort and the binary heap data structure in 1963 while working for Elliot Bros. (London) Ltd. He was born

Kinetic priority queue (622 words) [view diff] no match in snippet view article find links to article

which are easier to analyze. There is also a heap-like structure based on the dynamic convex hull data structure which achieves better performance for affine

Variable (computer science) (2,812 words) [view diff] no match in snippet view article

which the heap is depleted as the program runs, risks eventual failure from exhausting available memory. When a variable refers to a data structure created

C dynamic memory allocation (4,138 words) [view diff] no match in snippet view article find links to article

is a boundary tag allocator. Memory on the heap is allocated as "chunks", an 8-byte aligned data structure which contains a header, and usable memory

Continuation (3,043 words) [view diff] no match in snippet view article find links to article

continuation is a data structure that represents the computational process at a given point in the process's execution; the created data structure can be accessed

Selection algorithm (5,755 words) [view diff] no match in snippet view article find links to article

algorithms have been used as a subroutine in a priority queue data structure related to the heap, improving the time for extracting its k {\displaystyle k}

Introsort (1,227 words) [view diff] no match in snippet view article find links to article

quicksort on typical data sets and worst-case O(n log n) runtime due to the heap sort. Since the three algorithms it uses are comparison sorts, it is also

Kruskal's algorithm (1,828 words) [view diff] no match in snippet view article find links to article

key steps of the algorithm are sorting and the use of a disjoint-set data structure to detect cycles. Its running time is dominated by the time to sort

Kinetic data structure (1,100 words) [view diff] no match in snippet view article find links to article

A kinetic data structure is a data structure used to track an attribute of a geometric system that is moving continuously. For example, a kinetic convex

Adaptive heap sort (1,375 words) [view diff] no match in snippet view article find links to article

the presortedness of the data is high. Heap sort is a sorting algorithm that utilizes binary heap data structure. The method treats an array as a complete

Robert Tarjan (1,513 words) [view diff] no match in snippet view article find links to article

also developed important data structures such as the Fibonacci heap (a heap data structure consisting of a forest of trees), and the splay tree (a self-adjusting

Monotone priority queue (752 words) [view diff] no match in snippet view article find links to article

with the minimum priority (a min-heap), the minimum priority should be monotonically increasing. Conversely for a max-heap the maximum priority should be

Best, worst and average case (1,273 words) [view diff] no match in snippet view article find links to article

are the same. Heapify takes O(n) time and then removing elements from the heap is O(1) time for each of the n elements. The run time grows to O(nlog(n))

Separation logic (3,673 words) [view diff] no match in snippet view article find links to article

Separation logic assertions describe "states" consisting of a store and a heap, roughly corresponding to the state of local (or stack-allocated) variables

Ternary tree (1,068 words) [view diff] no match in snippet view article find links to article

In computer science, a ternary tree is a tree data structure in which each node has at most three child nodes, usually distinguished as "left", “mid” and

Resource acquisition is initialization (2,032 words) [view diff] no match in snippet view article find links to article

code modifying the data structure or file is not exception-safe, the mutex could be unlocked or the file closed with the data structure or file corrupted

Queap (1,668 words) [view diff] no match in snippet view article find links to article

In computer science, a queap is a priority queue data structure. The data structure allows insertions and deletions of arbitrary elements, as well as retrieval

Pointer (computer programming) (9,678 words) [view diff] no match in snippet view article

thus, if a data structure has an autorelative pointer member that points to some portion of the data structure itself, then the data structure may be relocated

Kinetic tournament (517 words) [view diff] no match in snippet view article find links to article

A Kinetic Tournament is a kinetic data structure that functions as a priority queue for elements whose priorities change as a continuous function of time

Data structure alignment (3,426 words) [view diff] no match in snippet view article find links to article

Data structure alignment is the way data is arranged and accessed in computer memory. It consists of three separate but related issues: data alignment

Hoard memory allocator (325 words) [view diff] no match in snippet view article find links to article

(malloc and free). In particular, it reduces contention for the heap (the central data structure used in dynamic memory allocation) caused when multiple threads

Object composition (2,284 words) [view diff] no match in snippet view article find links to article

conceptual structure of the information, not the implementation or physical data structure used to represent it[citation needed]. For example, a sequence differs

Fibonacci sequence (13,066 words) [view diff] no match in snippet view article find links to article

algorithms such as the Fibonacci search technique and the Fibonacci heap data structure, and graphs called Fibonacci cubes used for interconnecting parallel

Minimum spanning tree-based segmentation (884 words) [view diff] no match in snippet view article find links to article

construct the MST with Prim's MST algorithm using the Fibonacci Heap data structure. The method achieves an important success on the test images in fast

Blockchain (13,209 words) [view diff] no match in snippet view article find links to article

previous block, they effectively form a chain (compare linked list data structure), with each additional block linking to the ones before it. Consequently

A* search algorithm (5,532 words) [view diff] no match in snippet view article find links to article

position in the heap, allowing this decrease-priority operation to be performed in logarithmic time. Alternatively, a Fibonacci heap can perform the same

Tree sort (644 words) [view diff] no match in snippet view article find links to article

such as quicksort or heapsort. On most common platforms, this means that heap memory has to be used, which is a significant performance hit when compared

Call stack (3,658 words) [view diff] no match in snippet view article find links to article

In computer science, a call stack is a stack data structure that stores information about the active subroutines and inline blocks of a computer program

Shortest path problem (4,764 words) [view diff] no match in snippet view article find links to article

P-923. Fredman, Michael Lawrence; Tarjan, Robert E. (1984). Fibonacci heaps and their uses in improved network optimization algorithms. 25th Annual

Jean Vuillemin (364 words) [view diff] no match in snippet view article find links to article

at the École normale supérieure (Paris). Vuillemin invented the binomial heap[B] and Cartesian tree data structures.[C] With Ron Rivest, he proved the

Tracing garbage collection (5,282 words) [view diff] no match in snippet view article find links to article

deallocating a large data structure and all its children, though these only occur at fixed times, not depending on garbage collection. Manual heap allocation search

Hume (programming language) (811 words) [view diff] no match in snippet view article

-- named outputs within 500KB (400B) -- max heap ( max stack) cost bounding handles EFakeCoin, TimeOut, HeapOverflow, StackOverflow match -- * wildcards

Bentley–Ottmann algorithm (3,312 words) [view diff] no match in snippet view article find links to article

queue may be a binary heap or any other logarithmic-time priority queue; more sophisticated priority queues such as a Fibonacci heap are not necessary. Note

Bucket queue (3,335 words) [view diff] no match in snippet view article find links to article

A bucket queue is a data structure that implements the priority queue abstract data type: it maintains a dynamic collection of elements with numerical

K shortest path routing (1,245 words) [view diff] no match in snippet view article find links to article

significantly faster alternative for Eppstein's algorithm, in which a data structure called an index is constructed from a graph and then top-k distances

ExFAT (5,086 words) [view diff] no match in snippet view article find links to article

design. exFAT can be used where NTFS is not a feasible solution (due to data-structure overhead), but where a greater file-size limit than that of the standard

Optimal radix choice (1,506 words) [view diff] no match in snippet view article find links to article

menu. In a d-ary heap, a priority queue data structure based on d-ary trees, the worst-case number of comparisons per operation in a heap containing n {\displaystyle

Jagged array (455 words) [view diff] no match in snippet view article find links to article

jagged_row0, jagged_row1 }; In C/C++, jagged arrays can also be created (on the heap) with an array of pointers: int *jagged[5]; jagged[0] = malloc(sizeof(int)

Das U-Boot (1,711 words) [view diff] no match in snippet view article find links to article

ext4 F2FS FAT FDOS JFFS2 ReiserFS Squashfs UBIFS ZFS Device tree is a data structure for describing hardware layout. Using Device tree, a vendor might be

PL/I (12,036 words) [view diff] no match in snippet view article find links to article

programming. It supports recursion, structured programming, linked data structure handling, fixed-point, floating-point, complex, character string handling

C++ classes (3,976 words) [view diff] no match in snippet view article find links to article

A class in C++ is a user-defined type or data structure declared with any of the keywords class, struct or union (the first two are collectively referred

Comparison of Java and C++ (6,103 words) [view diff] no match in snippet view article find links to article

always allocated on the heap and collected by the garbage collector (except in virtual machines that use escape analysis to convert heap allocations to stack

Security and safety features new to Windows Vista (5,802 words) [view diff] no match in snippet view article find links to article

to actually use it. Also metadata for heap blocks are XOR-ed with random numbers. In addition, check-sums for heap blocks are maintained, which is used

Lisp (programming language) (10,019 words) [view diff] no match in snippet view article

made of lists. Thus, Lisp programs can manipulate source code as a data structure, giving rise to the macro systems that allow programmers to create new

Region-based memory management (2,919 words) [view diff] no match in snippet view article find links to article

following C code which allocates and then deallocates a linked list data structure: Region *r = createRegion(); ListNode *head = NULL; for (int i = 1;

Lifelong Planning A* (1,532 words) [view diff] no match in snippet view article find links to article

implementation has a significant impact on performance, as in A*. Using a Fibonacci heap can lead to a significant performance increase over less efficient implementations

Reference counting (4,785 words) [view diff] no match in snippet view article find links to article

list-length-counting example). However, if such a reference is copied into a data structure, then the deferred increment must be performed at that time. It is also

Technical features new to Windows Vista (10,952 words) [view diff] no match in snippet view article find links to article

many improvements have been made to the memory manager, process scheduler, heap manager, and I/O scheduler. A Kernel Transaction Manager has been implemented

IDL (programming language) (1,799 words) [view diff] no match in snippet view article

environments. Files containing compiled routines use a binary tagged-data-structure format that has not been officially published but has been investigated

Programming language (7,416 words) [view diff] no match in snippet view article find links to article

conditional expressions, and it also introduced dynamic memory management on a heap and automatic garbage collection. For the next decades, Lisp dominated artificial

Setjmp.h (1,784 words) [view diff] no match in snippet view article find links to article

state), at some point of program execution, into a platform-specific data structure (jmp_buf) that can be used at some later point of program execution

Glasgow Haskell Compiler (1,872 words) [view diff] no match in snippet view article find links to article

of the underlying hardware, without the indirection of a pointer to the heap or the possibility of deferred evaluation. Numerically intensive code can

Swap (computer programming) (952 words) [view diff] no match in snippet view article

arithmetic is non-associative. Containers which allocate memory from the heap using pointers may be swapped in a single operation, by swapping the pointers

Finalizer (4,013 words) [view diff] no match in snippet view article find links to article

managed languages when memory has been allocated outside of the managed heap (externally to the language); in Java this occurs with Java Native Interface

Merge sort (6,726 words) [view diff] no match in snippet view article find links to article

internal memory. One of them, the Knuth's 'snowplow' (based on a binary min-heap), generates runs twice as long (on average) as a size of memory used. With

Functional programming (8,696 words) [view diff] no match in snippet view article find links to article

and many imperative data-structures, such as the hash table and binary heap, are based on arrays. Arrays can be replaced by maps or random access lists

Ahnentafel (3,849 words) [view diff] no match in snippet view article find links to article

Arierschein (Aryan attestation) that was titled "Ahnentafel". Binary heap: a computer data structure that uses the same formulas as an Ahnentafel to represent a

Java collections framework (4,277 words) [view diff] no match in snippet view article find links to article

implementations in pre-JDK 1.2 versions of the Java platform included few data structure classes, but did not contain a collections framework. The standard methods

Calling convention (4,158 words) [view diff] no match in snippet view article find links to article

on the stack, in a register, or reference to something allocated on the heap. How long or complex values are handled, perhaps by splitting across multiple

F2FS (2,039 words) [view diff] no match in snippet view article find links to article

Configurable operational units Dual checkpoint Roll-back and roll-forward recovery Heap-style block allocation TRIM/FITRIM support Online fs defragmentation/file

List of programming languages by type (6,716 words) [view diff] no match in snippet view article find links to article

COBOL Program - IBM Documentation". IBM. June 2012. Retrieved 2023-07-14. "HEAP - IBM Documentation". IBM. Retrieved 2023-07-14. "SOM-based OO COBOL language

The Machine (computer architecture) (2,021 words) [view diff] no match in snippet view article

is used. Programming model and data structure changes were also explored, including changes to thread libraries and heap data structures to be resilient

Big O notation (8,735 words) [view diff] no match in snippet view article find links to article

Ackermann function Amortized complexity per operation for the Disjoint-set data structure O ( log ⁡ log ⁡ n ) {\displaystyle O(\log \log n)} double logarithmic

Permutation (11,671 words) [view diff] no match in snippet view article find links to article

"std::next_permutation". cppreference.com. 4 December 2017. Retrieved 31 March 2018. Heap, B. R. (1963). "Permutations by Interchanges". The Computer Journal. 6 (3):

Pan-genome (5,410 words) [view diff] no match in snippet view article find links to article

closed. Usually, the pangenome software can calculate the parameters of the Heap law that best describe the behavior of the data. An open pangenome occurs

Block sort (4,838 words) [view diff] no match in snippet view article find links to article

require the use of dynamic allocations, this leads to constant stack and heap space. It uses O(1) auxiliary memory in a transdichotomous model, which accepts

List of Apache Software Foundation projects (4,631 words) [view diff] no match in snippet view article find links to article

DeviceMap: device Data Repository and classification API DirectMemory: off-heap cache for the Java Virtual Machine DRAT: large scale code license analysis

Comparison of C Sharp and Java (13,904 words) [view diff] no match in snippet view article find links to article

such values need to be boxed/unboxed when used, and they all need to be heap-allocated. However, a generic type can be specialized with an array type

List of castles in Ireland (6,627 words) [view diff] no match in snippet view article find links to article

and Heritage Service. Retrieved 28 April 2013. MacDonald, Phillip. "Data Structure Report: Mahee Castle, Mahee Island, County Down" (PDF). Retrieved 28

Interference freedom (5,613 words) [view diff] no match in snippet view article find links to article

constrained Horn clauses, and it handles programs operating on the heap using a theory of heaps. A web interface to try it online is available. To handle concurrency

Fortran 95 language features (9,485 words) [view diff] no match in snippet view article find links to article

a stack. Fortran provides dynamic allocation of storage; it relies on a heap storage mechanism (and replaces another use of EQUIVALENCE). An example for