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  2. AWS Lambda - Wikipedia

    en.wikipedia.org/wiki/AWS_Lambda

    AWS Lambda is an event-driven, ... enabling local execution of application code while interacting with genuine AWS services. This approach allows real-time debugging ...

  3. Lambda architecture - Wikipedia

    en.wikipedia.org/wiki/Lambda_architecture

    Lambda architecture depends on a data model with an append-only, immutable data source that serves as a system of record. [2]: 32 It is intended for ingesting and processing timestamped events that are appended to existing events rather than overwriting them. State is determined from the natural time-based ordering of the data.

  4. Serverless computing - Wikipedia

    en.wikipedia.org/wiki/Serverless_computing

    This can be described as pay-as-you-go computing [18] or bare-code, [18] as one is charged based solely upon the time and memory allocated to run ones code, without associated fees for idle time. [18] A useful analogy here is between rental car (traditional cloud Virtual Machines) versus ride share apps like Uber or Lyft (serverless computing).

  5. Lambda lifting - Wikipedia

    en.wikipedia.org/wiki/Lambda_lifting

    Lambda lifting is expensive on processing time for the compiler. An efficient implementation of lambda lifting is () on processing time for the compiler. [2] In the untyped lambda calculus, where the basic types are functions, lifting may change the result of beta reduction of a lambda expression. The resulting functions will have the same ...

  6. Exponential decay - Wikipedia

    en.wikipedia.org/wiki/Exponential_decay

    A more intuitive characteristic of exponential decay for many people is the time required for the decaying quantity to fall to one half of its initial value. (If N(t) is discrete, then this is the median life-time rather than the mean life-time.) This time is called the half-life, and often denoted by the symbol t 1/2. The half-life can be ...

  7. Big O notation - Wikipedia

    en.wikipedia.org/wiki/Big_O_notation

    Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. Big O is a member of a family of notations invented by German mathematicians Paul Bachmann, [1] Edmund Landau, [2] and others, collectively called Bachmann–Landau notation or asymptotic notation.

  8. Callback (computer programming) - Wikipedia

    en.wikipedia.org/wiki/Callback_(computer...

    A blocking callback runs in the execution context of the function that passes the callback. A deferred callback can run in a different context such as during interrupt or from a thread. As such, a deferred callback can be used for synchronization and delegating work to another thread.

  9. Functional programming - Wikipedia

    en.wikipedia.org/wiki/Functional_programming

    The lambda calculus, developed in the 1930s by Alonzo Church, is a formal system of computation built from function application. In 1937 Alan Turing proved that the lambda calculus and Turing machines are equivalent models of computation, [37] showing that the lambda calculus is Turing complete. Lambda calculus forms the basis of all functional ...