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A statement S2 is input dependent on S1 (written ) if and only if S1 and S2 read the same resource and S1 precedes S2 in execution. The following is an example of an input dependence (RAR: Read-After-Read): S1 y := x + 3 S2 z := x + 5 Here, S2 and S1 both access the variable x. This dependence does not prohibit reordering.
Dataflow architecture is a dataflow-based computer architecture that directly contrasts the traditional von Neumann architecture or control flow architecture. Dataflow architectures have no program counter, in concept: the executability and execution of instructions is solely determined based on the availability of input arguments to the instructions, [1] so that the order of instruction ...
Such systems aim to manage the execution of various processes that may belong to the same application while in many cases they are used as a means to guarantee the offered quality of service (QoS). [5] WfMS may also be enhanced by using existing enterprise infrastructure such as Microsoft Outlook or Office 365. [citation needed]
A flow-sensitive analysis takes into account the order of statements in a program. For example, a flow-insensitive pointer alias analysis may determine "variables x and y may refer to the same location", while a flow-sensitive analysis may determine "after statement 20, variables x and y may refer to the same location".
A workflow engine facilitates the flow of information, tasks, and events. Workflow engines may also be referred to as Workflow Orchestration Engines. [2] Workflow engines mainly have three functions: Verification of the current process status: Check whether it is valid executing a task, given current status.
Salesforce, Inc. is an American cloud-based software company headquartered in San Francisco, California.It provides applications focused on sales, customer service, marketing automation, e-commerce, analytics, artificial intelligence, and application development.
The first machine to use out-of-order execution was the CDC 6600 (1964), designed by James E. Thornton, which uses a scoreboard to avoid conflicts. It permits an instruction to execute if its source operand (read) registers aren't to be written to by any unexecuted earlier instruction (true dependency) and the destination (write) register not be a register used by any unexecuted earlier ...
The modern Functional Flow Block Diagram was developed by TRW Incorporated, a defense-related business, in the 1950s. [6] In the 1960s it was exploited by NASA to visualize the time sequence of events in space systems and flight missions. [7] FFBDs became widely used in classical systems engineering to show the order of execution of system ...