RAM (random access memory), either RAM hardware or software and operating system use of RAM.

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What percentage of RAM can I allocate as heap

I have 32 GB RAM on host, where I need to run java program ( On JRE 1.7 64 Bit). Currently I have specified 8 GB as heap memory. I am wondering how much can I increase ? I just run the java webapp on ...
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1answer
20 views

Why memory can't be collected cleanly after a process terminats?

After long time running, computers always become slow. Rebooting generally make them faster. But how does this happen? Initally I thought this might be related to memory usage. But recently I learned ...
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28 views

Why can something like CheatEngine work? [on hold]

CheatEngine is a program that can basically read any address in memory and write a different value to it. The reason for its existance is mainly to cheat in video games by altering values like ...
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2answers
29 views

Insane Sudden Memory Usage on Windows 8.1

When booting Windows 8.1 my memory usage is about 1,7 GB. Then after some time - less than a minute - it jumps up to around 6 GB. Task Manager does not show anything that would use up that much. ...
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2answers
36 views

Why doesn't windows properly report the RAM being used by VirtualBox?

So, out of curiosity I decided to take a look at my RAM usage with my windows 7 VM (3 GB RAM allocated) running. I was... surprised to see the results, and I'm wondering why these results are the way ...
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How can a 80-bit floating point be used by a 32-bit system? [duplicate]

Since a 32bit system can't manage a 2^33 number (because the obvious 32-bit limit), how can manage a 80-bit floating point number? It should require "80-bit"...
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19 views

Should I add more memory for Dragon NaturallySpeaking & Xactimate?

I have an HP p7-1003 x64 AMD II X4 650 processor 3200 MHz 4 core, 4 logical processors, currently running 8GB of RAM. this computer is really only used for doing my work, and has music on it as ...
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1answer
30 views

Upgrading RAM. Speed compatibility

I have an older machine. I'm planning to upgrade its RAM memory (DDR2-Synch DRAM PC3200). I mostly find memory speeds of 533, 667 and 800 mhz. Does it have a significant impact if I install cards with ...
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3k views

Why did adding memory significantly increase gaming performance on an AMD APU?

To be clear from the beginning, this is not a problem. This is just something that I really wanna know the secret behind. System specs CPU: AMD A10-6790K 4.0 GHz GPU: AMD Radeon HD 8670D ...
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2answers
28 views

Screen goes blank, after logging into Windows, or pc stops with long-short-short-short beep code

I have a ~5 year old computer, it runs Win7 64bit version. It had 4GB of dual RAM, (2x2GB stick), with an ASUS P5P43TD motherboard. Around a 1,5 months ago, my computer didn't start, it gave a ...
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13 views

Kingston RAM not seen in Studio XPS 16

I have a Dell Studio XPS 16 laptop, which supports 8 GB RAM. It currently has 2 x 2GB memory DDR3 SDRAM at 1067 MHz. I bought 2 Kingston Technology System Specific Memory 4GB DDR3 1600MHz modules. ...
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14 views

1.5 volt RAM in a 1.35 RAM compatible laptop

My laptop is asus rog 750jx, it was said that it compatible with 1.35v ram. But i installed a 1.5v ram onto the laptop. Will it be okay?
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16 views

AMD FX-9590 - Max memory speed

First let me tell you my system config. Cpu: AMD FX-9590 Ram: Kingston 2x8Gb 2400MHz SSD: kingston 120 Gb HDD: 1 Tb PSU: 750 watt corsair GPU: 2Gb NVIDIA GeForce GT 630 Motherboard: Asus crosshair V ...
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0answers
31 views

Where did my memory go on linux (no cache/slab/shm/ipcs) [migrated]

This is a headless server with 8GB RAM (kernel 3.12)... even after only a few days, i get low on memory. in fact, this server has OOMed a few days ago... something is losing memory, but i don't know ...
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1answer
69 views

Why does my computer run slow if it is not using most of its CPU or RAM? [on hold]

I have two machines - a relatively cheap laptop and a high end desktop. My laptop sometimes runs slowly doing various tasks that would be quick on my desktop. My first guess is that I'm using most of ...
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1answer
24 views

Does my Memory (RAM) socket type need to match my CPU (RAM) socket type?

I am currently trying to build a PC and Have found the hard drive that I want, but now as I look into the memory ((DDR3)) none of the memory I want matches the CPU memory slot type of 1150; all of ...
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4answers
58 views

MacOS: can't understand what is using all my disk space

I got a MacBook Air with a limited SSD HD: 128 GB. The largest software I have is XCode (3.2 GB) and I do have 2 versions of this (4.5 and previou). My iPhoto library has 1.3GB of photos. My dropbox ...
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1answer
70 views

LogonUI.exe is calling for more RAM then is available to the system (8 GB)

I am receiving low memory warnings and freezes on a regular basis while idling. I've gone through most of the google recommend trouble shooting steps and I'm stuck with a weird recurring error in the ...
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0answers
27 views

Should the CPU usage go up to 100% when swap happens on Linux

I had been running a demo system on Linux with the following kernel: 2.6.32-400.1.1.el5uek #1 SMP Mon Jun 25 20:25:08 EDT 2012 x86_64 x86_64 x86_64 GNU/Linux And as soon as swap happens, the CPU ...
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0answers
29 views

External monitor take more CPU

My machine seems to hang when I connect an external monitor. My question is, does it take more CPU or Memory if I connect an External monitor to the laptop through the HDMI port? Hardware Specs HP ...
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30 views

Set maximum memory per process in Windows 8.1

I am using a Toshiba laptop with 6.0 GB of memory running Windows 8.1. I've had it freeze up a couple of times due to a process trying to use more memory than the computer has available. I've been ...
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10answers
10k views

Are computers with more RAM potentially faster if not all memory is usually in use?

Let's say I have a computer with 16 GB of memory. If my computer is usually only using about 4 GB and never reaches 8 GB, is it any faster than a computer with only 8 GB of (the same type of) memory? ...
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1answer
26 views

Is there a calculable correlation between RAM storage capacity and number of pins?

For example, there are 30-pin and 72-pin SIMMs, which are 32 bits wide. But, 64-bit wide DIMMs might come in 168-pin or 184-pin variants. How can one calculate the number of pins a specific type of ...
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4answers
57 views

Should I trust my laptop manufacturer's website about the maximum RAM my laptop can handle?

Plan to upgrade my Toshiba L300-14X's memory from 2gb to 4. Problem is the manufacturer and Intel (because I have Intel® GL960 Express Chipset with ICH8M) explicitly state that max. memory my laptop ...
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2answers
31 views

Computer is Shutting off Randomly Throughout the Day - Need to Tilt Case to Restart

Throughout the day, my Windows 7 desktop system is shutting down without warning every 2-6 hours or so. The frequency seems to be getting greater, but I'm not yet completely sure of that fact. This is ...
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24 views

What is the exact difference between the parameters (pgpgin, pswpin) and (pswpout, pgpgout) in /proc/vmstat?

Please note that this question is specific to linux only. And by swap space, I mean the dedicated swap partition. I did google a bit on this, and found these definitions: Paging refers to writing ...
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17 views

How to find out what is the “best” RAM for me?

I have an Asus p7p55 lx mobo. Tomorrow I'm finally going to install Win7 and decided to upgrade my RMA to 16GB which is the max. the mobo supports. What I could get from the website is that the RAM is ...
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31 views

POST seems more sensitive than other memory test software

During POST, my computer gives me beeps indicating a memory problem. The beeps occur within a few seconds of pushing the power button. The beeps are followed by nearly two minutes of logo during which ...
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1answer
18 views

Maximum RAM restrictions

So I have a eMachines ET1862 with an Intel i3-550 and 2GB DDR3 RAM. Since 2GB is wayyy too slow (quick look at task manger shows it's been running at ~80% RAM since boot) I want to upgrade the RAM. ...
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43 views

Adding a 1600 MHz RAM to a Laptop with already installed 1333 MHz

I have an HP Pavilion G6 Laptop that came with 4 GB RAM (Samsung). I recently upgraded it with another 2GB of G.Skill RAM 1333MHz with CL 9-9-9, so the memory was 6 GB in total. A few days back, the ...
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39 views

Why system becomes unresponsive before system reach total memory

Why the system becomes unresponsive before system total memory be reached ? I've 2G DDR3 installed (1802MB usable) but when memory usage reach ~1450MB the system starts to be unresponsive and stay ...
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1answer
31 views

Can't start Windows 7 after hard shutdown

Something funny happened. I develop artificial intelligence software on my Dell Inspiron 17R, so I frequently have to deal with very large datasets in Java. Here we go. Last night, I was performing ...
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4answers
103 views

Why are RAM sticks so much more expensive when installed at the factory? [closed]

Looking at the Lenovo website, I can see that the configuration options for RAM on a M83 Pro SFF are as follows: 4GB PC3-12800 DDR3 1600MHz UDIMM base price 8GB PC3-12800 DDR3 1600MHz ...
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How can I see the correct “private bytes” value in process explorer?

I have a process that intentionally uses large amounts of memory. When I view this process in Process Explorer's list view with all memory-related columns enabled, this is what I see: Note that all ...
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2answers
3k views

Can I add RAM sticks from an old PC to improve the performance of the new one?

After 6 good years, I think my old Vostro 410 died on me the other day (RIP). The PC won't turn on so the motherboard appears to be dead. I'm thinking of replacing it with a Lenovo M83 Pro small-form. ...
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1answer
35 views

Zeroed memory vs. free memory - increasing free memory

I'm working with a QuickBooks add-on that requires a GREAT deal of memory to run. Problem is, QuickBooks is calculating available memory based on "free" memory as listed in RAMMAP. I've got 64GB on ...
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21 views

How to fetch memory and cpu usage for a process - linux

I wants to fetch all the information about a process ( amount of memory consume, cpu utilization, dump information ) like as displayed in $vmstat I have write down a script but that is not displaying ...
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22 views

0x71ab664d memory error in multiple programs

I am working on a Research PC, for an Agilent LC/MSD trap. The computer has always given the memory error 0x71ab664d on boot, and AFAIK, came with this error when we bought the machine. I have since ...
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1answer
11 views

Is it possible to reclaim the memory used by an initrd?

I'm developing a boot process for an embedded device. Currently I'm using an initrd (uncompressed it's 4 megs) to be able to setup my real root partition before continuing to boot (I have to select a ...
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1answer
50 views

OS X Mavericks - Google Chrome Helpers memory usage

Is it ok that Google Chrome uses so much memory? Is there a way to reduce the memory that Chrome uses?
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42 views

Mac OS X Mavericks - IconServicesAgent memory usage started to grow (leaks?)

Recently I found that IconServicesAgent began to grow up to 130-200Mb but before it was max 6Mb.. As far as I remeber last things that I was installing were Vagrant and Virtualbox. Not sure that ...
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46 views

Why does my page table take up so much memory?

My 64-bit Windows 7 PC is very sluggish. I noticed in Task Manager that my memory usage is near 100% - however the usage reported for each process does not add up to the total 6GB (Firefox shows about ...
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19 views

Running Virtual Machines on USB 3.0 drives

There are some pretty interesting USB 3.0 drives out there in the 'stick' variety, notably from Corsair and Mushkin. I'm wondering if anyone can attest to the performance of VMs on these drives, of ...
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Why Windows doesn't use all memory before crash?

I am experimenting today. Why if I have ~800MB free left and 0% of page file memory left Windows kill task? It's never go below 800MB, for me it's not small amount. Can I somehow force Windows to use ...
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Dell Dimension 4600C Upgrade

I have a dell computer and would like to upgrade the RAM to 4GB. I know that each slot can only take a maximum of 1GB and there are 2 slots. Can I increase this maximum by upgrading some other part of ...
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1answer
111 views

Windows 8.1 memory leak which is invisible in process monitor and poolmon

After trying around for days, googling about everything and trying a lot I am left clueless. I have a Razer 2013 Blade Pro with 8GB ram. I have 30 GB allocated for additional virtual ram. My system ...
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1answer
44 views

Constant beeping with new PSU, no video output

So, my friends computer is not producing video output. The monitor works, I've tried the CPU and RAM inside of my computer, so I know they work. On the initial build we forgot standoffs and the ...
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3answers
142 views

My Laptop running at 89% memory use?! - Windows 8

It's been a while that my computer has been running at a very high ram usage when i have nothing running...please help i will provide all possible information. I have a MSI GE60 laptop. I don't ...
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0answers
43 views

Decrease RAM frequency for older computer [closed]

Does anyone know any software to decrease RAM frequency. I heard about Typhoon Burner, however I am looking for free solution to match speed of 8500s 1066mhz from DDR with speed of 1666mhz. I know ...
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45 views

Could not create the Java Virtual Machine on Ubuntu VPS with all the ram allocated to it

I'm trying to run a file on a vps with 384mb of ram, If I run the file with this command on terminal java -jar server.jar It just starts the process but with only 180mb approx allocated to it, I ...