Below you will find example sentences with "reference counting". The examples show how this phrase is used in natural context and which words often surround it.

Reference Counting in a sentence

Corpus data

  • Displayed example sentences: 20
  • Discovered as a combination around: reference
  • Corpus frequency in the collocation scan: 13
  • Phrase length: 2 words
  • Average sentence length: 23.4 words

Words in this phrase

reference counting

Meanings of words in this phrase

  • reference can mean: A relationship or relation (to something). Frequent word
  • counting can mean: A count. Frequent word

Sentence profile

  • Phrase position: 11 start, 4 middle, 5 end
  • Sentence types: 20 statements, 0 questions, 0 exclamations

Usage patterns

These patterns show short text windows around the phrase in the example sentences:

benefits of reference counting such as 1× both use reference counting also tend 1× built in reference counting 1× complexity of reference counting on the 1× counting main reference counting is a 1× handled by reference counting 1× implements a reference counting scheme for 1× in a reference counting collector 1×

Sentence openings and endings

Common sentence openings:

also less importantly 1× cocoa s nsobject 1× examples of use 1× indirect reference counting 1× levanoni and petrank 1× memory allocation deallocation 1×

Common sentence endings:

a reference count 1× as prompt collection 1× by reference counting 1× can be collected 1× collector as well 1× for memory management 1×

Context words

These words often appear near this phrase in the example sentences:

use 8× references 6× garbage 6× collection 6× memory 5× object 4× form 3× count 3× management 3× performance 3× php 3× indirect 2×

Related phrases

reference count reference frame reference clock

Phrases around this combination

Other phrases discovered around reference:

reference count 9× reference frame 9×

Just before it in the phrase index:

reference count reference clock redwood valley reduction act reducing poverty reducing costs

Just after it in the phrase index:

reference frame reform judaism refugee camp refugee camps refused bail regime forces

Other phrases with the same pattern

Same start:

reference count reference frame reference clock

Corpus analysis

  • The phrase "reference counting" has 2 words and usually appears near the start in these examples. The average sentence has 23.4 words and is mostly made up of statements.
  • Around this phrase, patterns and context words such as benefits of reference counting such as, both use reference counting also tend, use, references and garbage stand out.
  • In the phrase index, this combination connects with reference count, reference frame, reference clock, reference count and reference frame, linking the page to nearby combinations.

Example types with reference counting

This selection groups the examples by length and sentence type, making usage of the full phrase easier to scan:

Short example sentences

Memory allocation-deallocation is automatically handled by reference counting. (9 words)

PHP PHP uses a reference counting mechanism for its internal variable management. (12 words)

Reference counting is also among the simplest forms of memory management to implement. (13 words)

Longer example sentences

Methods for dealing with this issue exist but can also increase the overhead and complexity of reference counting — on the other hand, these methods need only be applied to data that might form cycles, often a small subset of all data. (41 words)

Some garbage collection systems using reference counting (like the one in CPython ) use specific cycle-detecting algorithms to deal with this issue. citation : Another strategy is to use weak references for the "backpointers" which create cycles. (36 words)

Weighted reference counting In weighted reference counting, we assign each reference a weight, and each object tracks not the number of references referring to it, but the total weight of the references referring to it. (35 words)

Example sentences (20)

Indirect reference counting In indirect reference counting, it is necessary to keep track of whom the reference was obtained from.

Weighted reference counting In weighted reference counting, we assign each reference a weight, and each object tracks not the number of references referring to it, but the total weight of the references referring to it.

Reference counting main Reference counting is a form of garbage collection whereby each object has a count of the number of references to it.

Some of the reasons reference counting may have been preferred to other forms of garbage collection in Delphi include: * The general benefits of reference counting, such as prompt collection.

The library can participate in external reference counting systems or use its own built-in reference counting.

Also, less importantly, reference counting requires every memory-managed object to reserve space for a reference count.

Reference counting and cyclic references More modern garbage collection schemes are often based on a notion of reachability – if you don't have a usable reference to the memory in question, it can be collected.

The Deutsch-Bobrow method of reference counting capitalizes on the fact that most reference count updates are in fact generated by references stored in local variables.

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Cocoa's NSObject class, from which most classes, both vendor and user, are derived, implements a reference counting scheme for memory management.

Examples of use COM Microsoft's Component Object Model (COM) and WinRT makes pervasive use of reference counting.

Levanoni and Petrank showed in 2001 how to use such update coalescing in a reference counting collector.

Memory allocation-deallocation is automatically handled by reference counting.

Methods for dealing with this issue exist but can also increase the overhead and complexity of reference counting — on the other hand, these methods need only be applied to data that might form cycles, often a small subset of all data.

More work on improving performance of reference counting collectors can be found in Paz's Ph.

Other dynamic languages, such as Ruby (but not Perl 5 or PHP before version 5.3, citation which both use reference counting), also tend to use GC.

PHP PHP uses a reference counting mechanism for its internal variable management.

Reference counting alone cannot move objects to improve cache performance, so high performance collectors implement a tracing garbage collector as well.

Reference counting in naive form has two main disadvantages over the tracing garbage collection, both of which require additional mechanisms to ameliorate: * The frequent updates it involves are a source of inefficiency.

Reference counting is also among the simplest forms of memory management to implement.

Some garbage collection systems using reference counting (like the one in CPython ) use specific cycle-detecting algorithms to deal with this issue. citation : Another strategy is to use weak references for the "backpointers" which create cycles.

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