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3
votes
3answers
3k views

What is my peak total memory usage? How much of my RAM is actually being actively used?

Is there an app or utility in Windows that shows me the peak value of in-use memory (i.e., the total of the shareable and private memory of processes, drivers and the operating system) (not standby ...
4
votes
1answer
355 views

Why RAM usage is much bigger than Virtual Memory usage

I am running some tests on a very powerful machine ( 24GB RAM, Window 2008 64bit ) I checked my task manager: Physical memory: 98% ( RAM is 24GB ) But the totally "Memory(Private working set)" usage ...
17
votes
6answers
18k views

Where exactly L1, L2 and L3 Caches located in computer?

Where exactly L1, L2 and L3 Caches Located in computer ? I know, we use Cache to increase performance by picking DATA and INSTRUCTIONS from Cache rather than Main Memory. Following are my questions ...
1
vote
2answers
5k views

What's the advantage of 'hardware reserved' RAM?

I have Windows 7 64-bit, 8GB RAM and 1152MB is hardware reserved. This leaves me with 7039MB of physical memory available as I can see on the Task Manager. What are the advantages or disadvantages of ...
1
vote
1answer
236 views

Two Firefox windows vs two browsers? Ram Consumption

I don't know enough about Ram & sharing to know what the difference is here. Normally, I run Chrome in one desktop for personal use, and Firefox on a second desktop for business. I like the ...
1
vote
2answers
290 views

PC multi-core architecture, scheduling of cores access to system memory

My office computer has 8 cores. I recently upgraded the system from 4Gb of RAM (in two modules) to 24Gb of RAM (in six modules) and noticed a considerable increase in performance when multiple cores ...
1
vote
3answers
119 views

Resources of minimized programs in Linux

When a program is minimized to the taskbar in Linux does it use less resources?
4
votes
1answer
3k views

How to show memory usage in Netbeans?

I would like to know if there is an option in Netbeans (v. 6.9) to show its memory usage. For example, how much got allocated to it and how much it has used.
6
votes
3answers
748 views

How to know which program or service take long time at and after PC Starting?

I want to identify which program consumes and takes computer resources on a Windows 7 during start up and after logging in, because after I log in my hard disk LED stays lit for almost 5 minutes. I ...
2
votes
1answer
895 views

Making full use of memory on graphic cards

Onboard graphics cards often reserve some of the system main memory for their own use. For a computer with a separate graphics card which has its own memory, is this possible that some of it be ...
0
votes
3answers
387 views

Mozilla Firefox memory Problem

When i run Firefox.. with the passage of time it continuously keeps on increasing its size in memory until it has consumed all the RAM.. no matter if i open and close 20 tabs or there is just one tab ...
5
votes
1answer
5k views

How do I limit the memory usage of a specific process in linux?

I've written a program for a class that my professor will be testing in various low memory environments to see how it behaves when the program runs out of memory. Is there a way I can simulate the ...
0
votes
2answers
733 views

Is ReadyBoost necessary when Windows 7 has enough memory?

According to Microsoft ReadyBoost is designed to help when your PC's memory is running low. Low memory can make your computer sluggish because Windows, which needs a place to stash data, turns to ...
2
votes
4answers
811 views

Firefox Tab Recycling

I have a somewhat academical question. When using Firefox, would it be better for memory usage if, when going to a website, with an unused tab available, I: Close that tab, then open a new one with ...
1
vote
1answer
532 views

Optimum memory settings for Parallels 4 on a MacBook?

I've got a last-generation black MacBook with a 2.4 GHz Core Duo processor and 2GB RAM. Parallels 4 is running all right, but holds the rest of the machine hostage in terms of performance, even ...
0
votes
2answers
2k views

Clarification on the Shared Memory column in the Linux top utility

We are having a memory allocation issues with a program running under Linux. We are using the top utility to try and determine the root cause of the problem. One thing that we have noticed is that ...
5
votes
3answers
703 views

Windows x86 physical memory is 24-bit?

I am reading the new book, Windows Internals 5 about memory management (chapter 9 in Physical Address Extension PAE section). It is mentioned "A 32-bit system represents physical addresses internally ...
1
vote
1answer
837 views

A ramdisk for Vista with “unlimited space”

I am using PostgreSQL and I want to explicitly place a database with 4 gb of data in memory. I have read a lot of forums discussing whether this is a good idea and I have decided that I want to give ...