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.
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Using STORAGE macro using QSAM for input/output
I was wondering if you can help me out. I wanted to know if there is an easier way to do the following. My code works but I feel like there is a lot things going out with multiple loops and wanted to ...
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0answers
23 views
Producer/Consumer write to file
I'm concerned with the memory usage of this application. When I start it and look at it's memory usage while it's waiting for input, it's memory usage is around 13,212 K.
When the application runs ...
4
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2answers
68 views
Memory Management Code
For a project I had to do a memory management problem without creating any custom classes or templates using the provided pool array and ...
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1answer
54 views
Delphi 2009 interface
I have this code and at the end of it, FastMM shows that there were memory leaks with all the objects of TSinc:
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4
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2answers
743 views
Binary file validity in C++/C++11: checking a binary header
I have some code for checking a binary header to see if a binary file is meant to be read by a certain program, and I could use some extra eyes to review it.
Assume the following ...
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1answer
62 views
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2answers
94 views
Hello World using Python embedded in C++, with RAII library initialization
I have written a small Hello World application that uses Python's C-API. The C library requires some functions to be called for global library (de-)initialization and the objects created by the ...
7
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3answers
3k views
Replace space with %20
This is not very memory-efficient. Can you please suggest a better way or improvement?
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3
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1answer
55 views
Reducing memory footprint when manipulating big csv file
I have CSV file which has structure like this (separated by tabulators):
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3
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1answer
37 views
Computing the double Integral using MonteCarlo techniques using Julia
I decided to try and learn Julia for doing scientific computing, and I decided to tackle the problem of finding
$$ \int_{D_{\frac{1}{4}}} x^4 + y^2 dA $$
where \$ D_{\frac{1}{4}} \$ is the part of ...
3
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2answers
61 views
BMP file writer
In my current project I'm writing a C function to write a BMP-File. Internally, the function is split up into three parts: write header, write info header, write data.
In some of these functions I do ...
4
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1answer
37 views
YAGOP - Yet Another Generic Object Pool
While thinking about this question it struck me that one problem of linked data structures always seems to be loss of memory locality and performance could possibly be improved if all allocated nodes ...
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0answers
30 views
Purging elements from the map if it reaches a memory size limit
I have implemented a LRU cache using ConcurrentLinkedHashMap. In the same map, I am purging events if my map reaches a particular limit as shown below.
I have a ...
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0answers
60 views
C++ base class for heap awareness
I have a few classes that form a class hierarchy where some objects point to others. In the usual case, I create these object on the stack. In other cases, I need to clone these object to do some ...
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1answer
45 views
Singly linked list in pure C - follow-up
This is an update for this post.
I fixed all style-issues from the comments, but still have a few questions left:
Someone commented that my last post contained too many functions, which could be ...
2
votes
3answers
63 views
Singly Linked List in pure C
I recently learned about linked lists and here is my first try to write one in C. I know it's a lot of code, but I hope someone takes a look. Any tips memory allocation and improvements are welcome.
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7
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3answers
319 views
Implementing IDisposable
I am developing a class (in a C# MVC 5 project) that originally had a using block within a single method, and it got to be very huge after placing formatting ...
3
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2answers
97 views
Memory leak in Java's stack implementation
Recently I was asked to implement a stack specifically for storing 'int' type data and find memory leaks. Isn't the garbage collector responsible for releasing all the memory? What are the possible ...
6
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5answers
849 views
Memory-safe file-reading in C
I am trying to write a single function that will read a certain number of bytes from a C file, or the entire file, based on the arguments. I want it to be memory-safe of course, and deal with ...
7
votes
1answer
114 views
A function for block allocation
During Jonathan Blow's video where he muses about a games-focused programming language, he presents C++ code that allocates a single big block of memory and has N pointers into that block. The purpose ...
1
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1answer
63 views
jQuery Responsive Carousel
I have developed a jQuery Responsive Carousel. When opened, the carousel in the browser and the Chrome task manager, I see that the memory usage of my page is higher than the rest of the opened tabs ...
7
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3answers
90 views
Type-agnostic BubbleSort in C
I'm trying out different sorting algorithms for learning purposes, here I'm doing a "type-agnostic" BubbleSort.
I modeled the function signature after the standart ...
4
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2answers
122 views
Does my Linklist implementation have memory leaks?
Are there any memory leaks in this linklist implementation.Also is the implementation correct?Can the time complexity be optimized?
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6
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2answers
122 views
Fixed-Size Memory Pool
I've been reading about Memory Pools since I came across them in the book Game Programming Complete 4th Edition, and I decided to try and spin my own since I didn't quite understand how the one they ...
10
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3answers
412 views
Stack implementation with move semantics
I have implemented a basic stack just for fun. I've just started learning about move constructors and assignment and move semantics as a whole, so I would really appreciate some feedback as to whether ...
4
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1answer
73 views
Iterative Red-Black Tree (dynamic stack)
I've completely reworked the previous code, posted here, so that it is a bit more correct regarding dynamic memory management, and also a bit more true to the object-oriented paradigm.
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4
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2answers
165 views
Memory management for Red-Black Tree
I've written this program yesterday, and I was reminded why I dreaded C++ before turning to Java: pointers and associated terms (like destructors, initializations and copy/move constructors) are ...
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1answer
171 views
Unity3D native iOS plug-in to read pedometer data
I've made a plug-in for Unity3d for iOS. The plug-in's job is to get the Pedometer data from history within a specified period of time and return that to Unity for later use. I am confident in my C# ...
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1answer
94 views
Manage process in C++
I made a fast and simple WPM (WriteProcessMemory) for Android. Any suggestion is welcome.
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0answers
106 views
Specialty tree structure - BK Tree
I've been working on a implementation of specialty tree structure called a BK-Tree (more here and here). Basically, it's a tree that allows relatively efficient querying for items within a specific ...
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3answers
292 views
Garbage collection in JavaScript multiplayer game
I am currently creating a Multiplayer Game using node.js and web sockets. The client side is receiving the positional information and applying it to all the players on the client side. Each client ...
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0answers
74 views
Pulling data from API, Allowed memory exhausted
I'm working on a project where I pull data (JSON) from an API. I would like to manipulate this data and store this as useful information in my DB (MySQL). My code is working if I would like to make, ...
4
votes
1answer
101 views
Allocating matrices for in-place modification
This code seems to be working. I am allocating matrices on the stack and passing them to functions to modify in place. Is this a standard practice, or am I doing it wrong?
Header:
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6
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2answers
321 views
Converting a SecureString to a byte array
Does it allocates something that hasn't freed? Something that remains in memory? Except result byte array, ofc.
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1answer
45 views
ADT stack with a dynamic array (revision 1)
Here's the second draft of my ADT stack code which I posted here before after carrying out most of the improvements suggested there.
I decided to expose a function called ...
5
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4answers
240 views
ADT stack with a dynamic array
I'm starting to learn about data structures and coding in C. The stack is the simplest of all data structures so I'm trying to implement an ADT stack with dynamically allocated array in C. This ...
2
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1answer
36 views
Periodically resizing large array
I have a simple socket.io server written in node. Everything is working just fine, however I am curious whether what I am doing is acceptable.
I am especially interested in this line
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0answers
97 views
Implementation of a lock-free fixed-sized allocator - follow-up - with commented code
The following implementation of a lock-free fixed-size allocator is a follow-up of:
Implementation of a lock-free fixed-sized allocator
§1 - Introduction
The purpose is self-learning of atomic ...
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0answers
78 views
C++ and OpenCV memory management
I'm including all of my code, however, my major issue here is about returning the vector/array/pointer (I don't really know what to choose) in this function:
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2answers
299 views
Implementation of a lock-free fixed-sized allocator
This question now has a follow-up:
Implementation of a lock-free fixed-sized allocator - follow-up
I've tried implementing a lock-free fixed-size allocator while trying to learn synchronization ...
4
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1answer
138 views
Re-implementing memcpy
I have written an implementation of memcpy function and I want to know how good is it and if it gets the most out of the processor capabilities or not.
The reason ...
2
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1answer
53 views
Performance improvement on vb.net code
I need to write 5 crores records with 72 columns into text file, the file size is growing as 9.7gb .
I need to check each and every columm length need to format as according to the length as defined ...
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0answers
86 views
Cache with timeout per key
I wrote a general purpose library for in-memory cache with custom timeout for each key.
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2answers
92 views
Vigenère cipher 2
The following program is an updated version of this question, an implementation of the Vigenere cipher in C. It has been updated to take input from stdin and pipes, ...
4
votes
1answer
1k views
Vigenère cipher in C
For my second major project in C, I decided to write an implementation of the Vigenère cipher in C.
My program uses command line options (optarg) and can read from both a file or from a string ...
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3answers
582 views
Creating number pattern (triangle numbers) in C++ with minimum loops
We were asked to make a triangular number pattern in C++ with minimum loops:
____1_____
___2__3____
__4__5__6__
7__8__9__10
Code:
...
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3answers
165 views
4
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2answers
365 views
C++ Int Array/Vector Over 100 Million
Textbook style program that generates the values of two, six-sided dice; which are used to perform simple calculations. Recently, I saw an example using similar criteria that was able to utilize ...
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1answer
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0answers
52 views
Platform independent leak/cyclic dependency detection of objects
Sometime back I came across a bug where a particular object was leaking but it was very hard to identify the root cause. I knew that it was due to a cyclic dependency (which usually indicates a bug in ...
