Questions tagged [memory]
Memory refers to the physical devices used to store programs or data on a temporary or permanent basis for use in a computer or other digital electronic device.
321 questions
2 votes
3 answers
295 views
Design Question - Storing timeseries in a key-value store
I'm looking for a sanity check my thinking around the memory layout of a key-value store. We have a system that periodically polls and monitors on host-level jobs. On every poll, a given job emit can ...
- 147
4 votes
1 answer
297 views
Refactoring a codebase from manual memory management to RAII
Edit: @Ben Cottrell's comment said this was similar to a question about spaghetti code. While both questions involve large codebases, mine addresses a specific technical pattern: manual memory ...
- 151
3 votes
5 answers
2k views
C# List vs Dictionary cost vs benefit with complex keys
I am designing a program and I am looking to decide over a Dictionary vs a List. Since I know I have unique values per item I imagined a Dictionary/List that looks like: Dictionary<(int k1, string ...
- 141
1 vote
2 answers
1k views
Does Java keep stream objects in memory after mapping them?
Say I have the following stream: List<Other> list = Stream .of( new MyObject(), new MyObject() ) .map(this::mapToOther) .collect(toList()) ; So after this is ...
- 133
1 vote
2 answers
262 views
How to store an encrypted filesystem in a single file on disk on multiple platforms (maybe not portably), or alternatives
I'm in the very conceptual phase of designing an open source password manager that provides distributed Vaults that can be simultaneously accessed and managed from multiple devices with the promise of ...
- 111
2 votes
2 answers
407 views
Optimizing Flash Memory Writes in Embedded Systems with Unpredictable Power Loss
I'm working on an embedded C++ project that involves logging certain types of statistical data (like successful accesses, failed attempts, and other events) to the flash memory (just incrementing ...
- 131
3 votes
3 answers
755 views
What is the best way to retain a local object which is performing an asynchronous task?
My problem is the following: inside a method I'm creating an object like this: MyObject* myObject = [MyObject new]; Then I want it to perform an asynchronous task like this: [myObject ...
- 109
-1 votes
2 answers
582 views
what algorithm does the malloc function in the c language standard library use? And why it so fast?
Based on the data structure of the AVL tree, I implemented a memory manager that does the best matching according to the size. I originally thought that the speed would be fast and the length of the ...
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