Hashing data structure Collisions Hash functions are there to map different keys to unique locations (index in the hash table), and any hash function which is able to do so is known as the perfect hash function. Since the size of the hash table is very less comparatively to the range ...
In open addressing, we keep rehashing until we resolve. Linear Probing In linear probing, the rehashing process in linear. Say the location found at any step isnandnis occupied then the next attempt will be to hash at position(n+1). We wrap around from the last table location to first ...
Hashing is one of the well-known techniques for indexing and retrieving data from the database efficiently. It is mostly used for fast lookups in the fields which require quick results from the database. As the size of the database increases, the number of collisions in the hash table also...
There are also techniques to detect a hash diff collision, but the chances for such collision are very low, much lower than on hash keys in hubs and links. Both techniques are described in full detail in Chapter 12, Loading the Data Vault. 11.2.3.2 Storage Requirements Another consideration ...
Thanks to a variety of new techniques, state-space exploration is becoming an increasingly effective method for the verification of concurrent programs. One of these techniques, hashing without collision detection, was proposed by Holzmann as a way to vastly reduce the amount of memory needed to st...
The EPA algorithm is described in the paperProximity Queries and Penetration Depth Computation on 3D Game Objects, also written by Gino van den Bergen. The dyn4j blog also has apost about EPA. Continuous Collision Detection The video game physics techniques presented so far perform collision detect...
problems in large penetration. However, these methods are not suitable to our algorithm. The method proposed in this paper extends existing deformable modeling techniques by incorporating efficient ways to compute the contact surfaces in colliding objects. For computational efficiency a mas...
a hash collision may result in the switch device utilizing software techniques to perform forwarding, as software may be unable to program resolved ARP entries and/or NDP entries in hardware, but the use of software requires valuable processing resources that could otherwise be utilized for other ...
Digital forensic investigators can take advantage of tools and techniques that have the capability of finding similar files out of thousands of files up for investigation in a particular case. Finding similar files could significantly reduce the volume of data that needs to be investigated. Sdhash ...
Our method is able to significantly reduce computations in large, empty areas, and thus gives better results than existing acceleration techniques, such as multilevel hashing schemes or KD-trees, in most situations.doi:10.1080/2151237X.2009.10129281Mickael Pouchol...