All Questions
Tagged with memory-management compilers
9 questions
1
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3
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How is a program stored before compiling?
When we write code, after compilation the code will be converted to machine language and then stored in the hard disk. But before compiling the code, it is still in the high-level language. How and ...
- 119
1
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1
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530
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Coalescing by register allocation
I have a rough idea of what coalescing in terms of memory access by threads is, but now, when learning about compilers, the term coalescing also appears when talking about register allocation.
In my ...
- 157
69
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12
answers
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Why don't compilers automatically insert deallocations?
In languages like C, the programmer is expected to insert calls to free. Why doesn't the compiler do this automatically? Humans do it in a reasonable amount of time(ignoring bugs), so it is not ...
- 845
2
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3
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275
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How are variables accessed in the correct order from the stack?
I'm learning about the stack but one thing I am unable to understand is how variables can be accessed in the correct order.
So if I had a basic program calculating the sum of some user entered values ...
- 21
5
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How are weak references in a reference counted system implemented?
When reference counting is used for automatic memory management (e.g. Objective C or Swift), it is well know that “loops” give problems. E.g.
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- 799
7
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1
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318
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Tag-free garbage collection for object oriented languages
I'm looking around for a good garbage collection technique for my language and found this paper, where Benjamin Goldberg describes a garbage collection technique for strongly typed languages, which ...
- 71
0
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1
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155
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How Does Dynamic Heap Storage Have Something to Do with Heap?
There are three typical ways to allocate memory for programs: static, stack and dynamic heap. However, when I look at the implementation of dynamic heap memory allocation from wikipedia , what I found ...
- 1,505
5
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1
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Program compilation and execution flow
I was studying operating system concepts from Silberschatz, Galvin and Gagne's book (sixth edition) and I have some questions about the flow of execution of a program. A figure explains the processing ...
- 153
7
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3
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386
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Are compilers able to detect alternating accesses to arrays and interleave them in memory?
Is it possible to design a compiler which optimizes a loop in which arrays are accessed in alternate fashion? For example like this:
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- 305