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Newest 'memory-management' Questions - Code Review Stack Exchange
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Learn more about TeamsQuestions tagged [memory-management]
Memory management is the act of managing computer memory by allocating portions of memory to programs as well as freeing memory so that it can be re-used.
648 questions
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10
votes
6
answers
2k
views
k-Nearest Neighbors algorithm in C
I've been learning C for a while, and I decided to make a simple kNN program. What can I do to improve the program?
Am I doing memory management right? Can the structure of the code be improved in ...
1
vote
0
answers
74
views
MemoryGraveyardDriver.sys - a kernel mode device driver managing a kilobyte of RAM for random reading/writing: Take II
(See the previous and initial iteration.)
This time I have incorporated some improvement points made by G. Sliepen:
driver.cpp:
...
8
votes
1
answer
512
views
MemoryGraveyardDriver.sys - a kernel mode device driver managing a kilobyte of RAM for random reading/writing
(See the second and next iteration.)
Intro
I have this GitHub repository. Basically, it does not do anything fancy: it has a byte buffer of 1Kb size, and it intercepts ...
4
votes
2
answers
194
views
C++ wrapper for FreeRTOS blocking queue that can handle complex objects
The FreeRTOS queue is a convenient way for intertask communication on FreeRTOS. But it is written in pain C and therefore it feels a little uncomfortable for C++ programmers. But the main problem is, ...
0
votes
1
answer
90
views
Implementing safe custom exception [closed]
I was trying to come up with some design to subclass built-in exceptions.
For simplest case I used something like this:
...
4
votes
2
answers
249
views
SPSC templatized lock free queue implementation and benchmarking
I have tried implemented a fast lock free Single producer single consumer queue in C++ for practicing concurrency and low level design concepts. I also benchmarked the code on x86_64 2.3GHz Intel ...
4
votes
2
answers
416
views
Arena/Region Allocator in C++ (rev 2)
2nd revision of original post: Arena/Region Allocator in C++
Context, changes
Trying to get a better grasp on low-level memory management, I implemented an arena allocator in C++. It's a rough ...
9
votes
1
answer
648
views
Arena/Region allocator in C++
Update: 2nd revision on separate post: Arena/Region Allocator in C++ (rev 2)
Original Post
Trying to get a better grasp on low-level memory management, I implemented an arena allocator in C++.
It's a ...
14
votes
2
answers
537
views
Custom implementation of `std::unique_ptr<T>`
I skimmed through the documentation on cppreference.com and put down the basic functionalities expected out of a unique_ptr<T> implementation. I coded up a ...
2
votes
1
answer
75
views
I have a pytorch module that takes in some parameters and predicts the difference between one of it inputs and the target
One instance of the following module uses up to almost 75% of my vram. So, I was wondering how I could improve that without slowing down runtime too much. The code is below:
...
2
votes
0
answers
135
views
Allocate managed objects in C# on the native heap
This is a pretty basic class to allocate objects from the native heap. The whole process goes as follows: allocate bytes from NativeMemory.Alloc, set the method table pointer from an existing object, ...
2
votes
1
answer
141
views
Javascript Signals implementation
I've created my own implementation of signals in typescript, inspired by the proposed tc39 specification (https://github.com/tc39/proposal-signals) in the BOM. I think it would be great if I could use ...
4
votes
3
answers
682
views
Error handling for singly linked list in C
I have seen many list implementations in C in this site; I know its been asked many times. I need some advice regarding:
Quality of my code, especially my list library.
How to handle errors in main (...
3
votes
1
answer
246
views
Presence of UB and memory usage of a std::array initialization
I proposed several techniques to answer to https://stackoverflow.com/q/78672409/21691539.
A classical way to answer would be to use std::index_sequence-based ...
5
votes
1
answer
225
views
Unit Tests for an Arena Allocator
In my last post about the allocator, I received some comments about unit-tests:
The code looks correct on the majority of the cases, I will suggest run valgrind or define a good set of unit tests ...
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