Function Call

Is one of the choices in describing Control Flow.

Asynchronous vs. Synchronous

One of the choices in describing Control Flow.

If Then Else

One of the choices in describing Control Flow.

Tree, DAG

One of the choices in describing Data Structuring.

Object / Datum

  • scalar data
  • lambda

Promise

  • a Promise is a thread
  • a Closure is a snapshot of the data in a thread
  • a Continuation is a snapshot of a thread - containing data and code (control flow)
  • an Operating System Thread is merely a Continuation (see Greenspun’s 10th Rule)

Control Flow

  • pointer to instruction to be executed
  • Program Counter (PC)
  • implemented in hardware as an interpreter, made available to software

Data Structure

  • pointers to heap
  • pointer to stack (SP)

Registers

  • registers are shared, global variables implemented in hardware, made available to software
  • the PC register is a global variable (shared by all threads on that CPU)
  • the SP register is a global variable (shared by all threads on that CPU)
  • the MMU is a global variable (shared by all threads on that CPU)

See Also

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