c memory profiler

In fact, many people have mentioned this solution that I want to mention today. The reason why I emphasize it here is that although many people have already mentioned this solution, however, this problem is still frequently encountered in our design process and has not been taken seriously or solved well. In many cases, we may need to apply for and release many small pieces of memory. We all know that the application and release of a large number of s

https://msdn.microsoft.com/en-us/library/windows/hardware/ff538322 (v=vs.85). aspx The video memory manager must calculate the total amount of graphics memory before it can report a accurate account of GR Aphics memory. The following list of items describes how the video memory manager calculates the graphics

Where multiple memory leaks were encountered during WPF application development using Openexpressapp , a memory leak problem was approached in the previous article "WPF unknown memory leak reason, hair is white a few root", This article will share with you how to solve this problem.Problem FindingWhen users use the product, they report a

WriteProgramFrom C ++ Memory leakage, JavaScript Memory leakage, iPhone Memory leakage,. net Memory leakage and Silverlight Memory leakage. As long as it is a program, you must pay attention to the memory leakage issue. Otherwise,

Transferred from: melody_lu123 csdn blog, a great technical article. Author: Gustavo Duarte From: http://duartes.org/gustavo/blog/post/how-the-kernel-manages-your-memoryHow the kernel manages your memory How does the kernel manage your memory? After examining the virtual address layout of a process, we turn to the kernel and Its machisms for managing user memory.

-vmargs-xms128m-xmx512m-xx:permsize=64m-xx:maxpermsize=128mHere are a few questions:1. What are the meanings of each parameter?2. Why do some machines I set-xmx and-xx:maxpermsize to 512M after eclipse can be started, and some machines will not boot?3. Why is the above parameter written to the Eclipse.ini file eclipse does not perform the corresponding settings?Here's a reply.1. What are the meanings of each parameter?The-vmargs in the parameter is to set the JVM parameters, so the following is

Memory management is the most complex and important part of the kernel. It is characterized by the need for collaboration between the processor and the kernel.First, the memory is divided into nodes, represented as pg_data_t in the kernel, and each node divided into memory domain.All of the data structures or code below have been reduced to varying degrees, on th

Go Language Memory management (i) Memory allocationGolang, as a "high-level language," also provides its own memory management mechanism. This simplifies the coding process and reduces the frequency of problems caused by memory usage (C-language users, especially beginners, should be impressed), and is friendly to the

In Linux often found that there is little free memory, it seems that all the memory is occupied by the system, the surface is not enough memory, it is not. This is a good feature of Linux memory management, the main feature is that no matter how large the physical memory, Li

In the last six months after 2016, as the project needed to support fast data updates and high concurrent workloads for multiple users, I tried water SQL Server 2016 for in-memory OLTP, creating a memory database to implement the project's load requirements, and now the project is nearing the end, the system is running stably, writing a blog, Record the experience of using a

Original address: http://www.cprogramming.com/debugging/valgrind.html The translation will inevitably be due to personal level and there are inaccurate places, please more criticism, the above is the original link, we can also go directly to see. Valgrind is a multi-purpose code review and memory debugging tool for Linux platforms. It can run your program in Valgrind's own environment, monitoring malloc/free, (New/delete for C + +) and other

SQL Server new Features-- in-memory OLTP (in-memory OLTP )OverviewIn-Memory OLTP (project "Hekaton") is a completely new database engine component that is fully integrated into SQL Server. Optimized for in-memory data in OLTP workload access. In-memory OLTP can help OLTP wor

1. Memory Optimization principle To optimize application memory use, developers should first know what the most memory of the application, the answer is the texture. Textures can occupy almost 90% of the applied memory. So minimize the application of the texture memory usa

High-end memory refers to the memory with a physical address greater than 896 MB. For such memory, the ing cannot be performed in the "kernel direct ing space. Why?Because the "kernel direct ing space" can only be from 3G to 4g, and can only be mapped to 1g physical memory directly, there is nothing to do with physical

First, the basic concept Physical addresses (physical address) are used for memory chip-level cell addressing, which corresponds to the address bus that the processor and CPU are connected to. This concept should be one of the best understanding of these concepts, but it is worth mentioning that although the physical address can be understood directly into the machine on the memory itself, the

Linux memory mechanism and manual release of swap and memory, linux mechanism to release swap Today, let's talk about the Linux memory mechanism. First, let's take a look at the concept 1. What is the linux memory mechanism? We know that reading and writing data directly from the physical

The main article is read the deep understanding of Java Virtual Machine: JVM advanced Features and Best Practices Chapter II: Java memory area and memory overflow exceptionSome of the notes and summaries.Okay, here we go. If there are any errors or omissions, please point out.I. OverviewFirst, a picture.This diagram mainly lists several areas of memory managed by

A friend asked me the other day why my Linux system didn't run many programs and showed so little available memory. In fact, Linux and win memory management is different, will try to cache memory to improve read and write performance, usually called Cache Memory. Sometimes you will find that there are no programs runni

Java Memory Model-JMM (Java Memory Model) and java-jmm In concurrent programming, what mechanisms are used between multiple threads for Communication (information exchange) and Data Synchronization? In Java, the shared memory model is used to implement information exchange and data synchronization between multiple threads. Threads communicate implicitly by sharin

Wow, it's been a long time since it's been updated, let's talk about Linux's memory mechanism today.First, let's take a look at the conceptFirst, what is the memory mechanism of Linux?We know that reading and writing data directly from physical memory is much faster than reading and writing data from a hard disk, so we want all of the data read and written to be