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Go was designed at Google in 2007 to improve programming productivity in an era of multicore, networked machines and large codebases. [22] The designers wanted to address criticisms of other languages in use at Google, but keep their useful characteristics: [23]
The memory model defined in the C11 and C++11 standards specify that a C or C++ program containing a data race has undefined behavior. [ 3 ] [ 4 ] A race condition can be difficult to reproduce and debug because the end result is nondeterministic and depends on the relative timing between interfering threads.
For example, when writing GObject-based C code, it is frequently necessary to perform explicit upcasting. [citation needed] Hence, “C with GObject”, also called "glib-flavored C", considered as a language separate from plain C, is a strict superset of plain C — like Objective C, but unlike C++.
The final revision of the proposed memory model, C++ n2429, [6] was accepted into the C++ draft standard at the October 2007 meeting in Kona. [7] The memory model was then included in the next C++ and C standards, C++11 and C11. [8] [9] The Rust programming language inherited most of C/C++'s memory model. [10]
Concurrent programming languages and multiprocessor programs must have a consistency model (also known as a memory model). The consistency model defines rules for how operations on computer memory occur and how results are produced. One of the first consistency models was Leslie Lamport's sequential consistency model. Sequential consistency is ...
The Linda model provides a distributed shared memory, known as a tuple space because its basic addressable unit is a tuple, an ordered sequence of typed data objects; specifically in Linda, a tuple is a sequence of up to 16 typed fields enclosed in parentheses". The tuple space is "logically shared by processes" which are referred to as workers ...
Flat memory model or linear memory model refers to a memory addressing paradigm in which "memory appears to the program as a single contiguous address space." [ 1 ] The CPU can directly (and linearly ) address all of the available memory locations without having to resort to any sort of bank switching , memory segmentation or paging schemes.
The ::= rule defines a new algebraic data type, a data type with only data constructors.; The <~ rule defines an interface type - it indicates what properties are characteristic of a person and also gives type constraints on these properties.