Explain how memory is allocated to the program at run time.
When a variable is defined in the source program, the type of the variable determines how much memory the compiler …
Read moreExplain how memory is allocated to the program at run time.
What is the use of the activation record? Explain different fields in the activation record.
We will apply these storage allocation strategies to activation records which is a. conceptual aggregate of data that contains all …
Differentiate between stack and heap allocation
Stack: Stored in Computer RAM like the heap. Variables created on the stack will go out of scope and automatically …
Define code optimization.
Computing optimization is the process of modifying a system to make some aspect of it work more efficiently or use …
Describe local and global optimization.
Local optimization: The local optimization is performed within a straight-line or a basic block of code without information from any …
Define Code generation.
The Final Phase in our compiler model is the code generator. It takes as input an intermediate representation of the …
Write short notes on Back patching.
While producing three address code of if — then — else statement, we may not knowing the labels where control …
Write short notes on Loop optimization
Loop optimization : most of the execution time of a scientific program spent on loops. The running lime of program …
Explain the various code improving transformation techniques.
Simply stated, the best program transformations are those that yield the most benefit for the least effort. First, the transformation …
Read moreExplain the various code improving transformation techniques.
Explain register allocation and byte addressable target machine.
The main goal of register allocation and assignment is to reduce or minimize the memory accesses because the instruction involving …
Read moreExplain register allocation and byte addressable target machine.
