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

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Variability in Memory on USB Drives [on hold]

I teach some basic statistics to computing students and have this basic question... I have no idea is this the correct stack to ask this question on... Take a brand of USB drive --- say USBforMe --- ...
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40 views

Windows lags whenever I download something

I'm using Windows 10, and whenever I download something my mouse lags a lot that it makes the computer unusable. And it's not just the mouse, for example it I open a youtube video it plays like in 0.5 ...
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22 views

An Executable to clean up ram in MAC?

I was searching if I could clean up RAM with terminal and I came across few resources. I found one way it could be done is to use the command sudo purge in the terminal window, but I really don't ...
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14 views

Samba eats RAM?

I don't really know what's going on here at the moment: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1272 root 20 0 3829868 3.312g 1860 D 0.7 93.0 512:39.94 ...
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7 views

I am running Eclipse Mars 4.5 , My CPU usage goes beyond 100% and suddenly all system stops

My system Info:: Model: Dell vostro 1015 RAM: 4 GB (2 GB extended) Processor: CORE 2 Duo Software's installed Eclipse Mars(STS and M2E plugins installed) MySql Crome Quick Heal Antivirus I have ...
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meminfo values does not add up

I am investigating a memory issue of in my system. The following is /proc/meminfo: $ cat /proc/meminfo MemTotal: 32869176 kB MemFree: 1495144 kB Buffers: 15052 kB Cached: ...
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7 views

MAR & MDR: how many possible addresses?

Quesion: If your computer has an 18-bit MAR and a 32-bit MDR, how much memory (in megabytes) can it address? Note that 1 byte is 8 bits, 1024 bytes is 1 kilobyte (KB), and 1024 kilobytes in 1 ...
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16 views

Apple hardware diagnostics freezes at 95%

Recently my Mid-2011 iMac (default specs except 2x 4GB RAM boards were added years ago, running latest OS X and most recently updated days ago) has been locking up during use - a single random app ...
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237 views

System and Compressed Memory: High Disk Usage

System and Compressed Memory is something I had for a long time Ever since I got this new computer, when starting up my computer, System and Compressed Memory (ntoskml.exe) has been using very high ...
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11 views

Relation between memory host and memory arguments xms and xmx from Java

I have the following host with the memory details: $free -m total used free shared buffers cached Mem: 7872 7579 292 17 483 ...
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13 views

Can't allocate more RAM to Java Server

I am running a Minecraft .jar server and i want to allocate more RAM to it. Whenever i use the script"C:\Program Files\Java\jre1.8.0_91\bin\java.exe" -server -d64 -Xms2G -Xmx5G -jar server.jar -o true ...
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1answer
22 views

Installing DDR3L 1600MHz on HP 8200 Elite (DDR3 1333MHz)

I tried to read as much as I can but I want to be sure: I want to install: Kingston 8GB 1600MHz DDR3L Non-ECC CL11 DIMM 1.35V On my: HP Compaq 8200 Elite Which supports: DDR3 1333MHz Am I safe? ...
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1answer
45 views

Upgrade Dell Optiplex 745 mini tower. [closed]

I have Dell optiplex 745 mini tower with Intel core 2 duo(2.40 GHz 2.39 GHz), 2GB RAM, 500GB HDD SATA 7200RPM. Could any one tell me which graphics card will be suitable for it so that I can play ...
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2answers
76 views

Only 3.3GB of RAM is used from 4.0 GB installed, how to use full memory? [duplicate]

In w10-64bit, (also in w7-32bit, w8-32bit in multiboot) only 3.3 GB of RAM is used from the 4.0 GB installed DDR2 RAM. Is there any tweak to use the full 4 GB RAM? CPU Intel premium E2180 Dual Core ...
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14 views

CPU-Z and Computer Properties Showing Different Amounts of RAM

When I open up CPU-Z it says I have 8GB of DDR2 RAM, however when I open up Computer properties it says I only have 5GB. Who's right? I usually go with Computer properties, but CPU-Z Has never ...
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2answers
30 views

What happens if you just unplug swap drive from running system?

I'm running heavily leaking apps on server which have already swapped out about 60gb of garbage in their over 100 days uptime. At the point when I've run out of swap for the first time (32gb) I ...
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23 views

Windows 7 running slowly despite having lots CPU and memory free

This is my computer spec: Intel i7 2500k @ 3.4ghz Win7 64bit 16gb of ram Radeon HD 6800 My computer is starting to run progressively slower; for example, when switching between programs i.e. Excel ...
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1answer
12 views

RAM stick inter-compatability

I have an older motherboard with DD3 1066/1333/1600 RAM support with 8 GB (2 x 4 GB sticks, frequency unknown at the moment, but I will check) RAM installed on one channel. The motherboard (ASRock ...
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6 views

Is there any method to free memory of specific NUMA node?

On my RHEL system, I find the memory used is very imbalance: node 0 size: 786251 MB node 0 free: 302932 MB node 1 size: 786431 MB node 1 free: 79388 MB node 2 size: 786432 MB node 2 free: 111653 ...
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21 views

What software can write to Cache memory?

I was working through a Higher Computing past paper and the following question came up Describe a situation where the cache memory would not improve the processor’s performance (1 mark) The ...
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16 views

System crashes with following Machine Error (screenshot included)

I'm running Ubuntu 14.04 LTS. CPU: Intel Core i7 950. Memory: 3x2GB Kingston DDR3-1066. GPU: Gigabyte ATI 5670. HDD: Seagate Baracudda XT - 2TB. Windows 10 and Ubuntu 14.04 dual-boot. Today it ...
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21 views

16GB RAM Kingston HyperX Fury incompatible

I bought a kit of Kingston HyperX FURY 16GB Kit (2x8GB) 1333MHz DDR3 CL9 DIMM - White (HX313C9FWK2/16) in the hope of upgrading the pc components! After the upgrade, the pc does not function ...
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1answer
14 views

How to upgrade a Sony vaio SVE1511AENB laptop?

The laptop's specs are: 2 GB DDR3 RAM ( 2 slots available), 320 GB HDD, Intel i3-2328M processor. It is 3,1/2 years old, I want to upgrade it for strictly development work (Android Studio). Here I've ...
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1answer
91 views

Is this the correct Von-Neumann Architecture Diagram? [closed]

I am preparing for an Exam and would like to know whether this diagram of the Von Neumann Architecture is correct or not. The full form of the acronyms (on the diagram) are as follows: PC: Program ...
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12 views

How to identify GPU memory on ARM Linux

I am developing an appication reserving lots of GPU memory on ARM devices. For some devices (eg. Nvidia Tegra based) some of the memory is reserved in the 'cached' area as it seems. Particulary, the ...
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1answer
47 views

How I tell Windows 7/8/10 to be less aggressive in making copies of RAM to pagefile?

Many people ask how to disable pagefile, because they feel the effects of the issue I will ask about. Instead I want to fix the issue, without disabling pagefile. Windows has the capability of ...
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7 views

PC won't POST w/ Corsair Vengeance Pro 16GB

Issue I've just received a new pair of Corsair Vengeance Pro 16GB (2x8GB) 1.35V DDR3L 2133MHz but my system does not boot and shows a 53/55 error code. Current setup Interestingly the PC boots ...
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20 views

How to find processes which uses the most RAM in last X seconds?

Could you please help me to sort this out? I'm trying to write a bash script which will monitor ram usage (not only ram but cpu and network as well) and show me 3 processes which use the most ram in ...
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3answers
89 views

Windows 10 Low Memory Warnings when I have plenty of available memory

I have been having an issue where, if my system is up for a few days without being rebooted I will start getting warnings saying "Close programs to prevent information loss" and then a dialogue ...
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8 views

What is the difference between RSS and SZ?

I'm trying to monitor the memory usage of an application through: ps aux | grep db2fmp | grep $USER | grep -v grep | awk '{print $1, $2, $3, $4, $5, $6}' and got the following result for instance: ...
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1answer
28 views

Is RAM speed relevant for copy tasks in Excel?

I am often working with Excel and notice that when I copy and paste large amounts of data from one spreadsheet to the other (especially after the data is filtered), this operation is executed very ...
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1answer
75 views

Stuck with a 64-bit Windows 7 on a 32-bit machine

I have a Lenovo Thinkpad laptop, SL500, 2GB Ram (DDR2). Several days ago, I went to a repairman (for lack of a better word) to upgrade my Ram to 4GB. After he plugged in 4GB Ram, the repairman ...
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7 views

Relationship between Motherboard FSB and SDRAM Memory memory clock speed

I need to know what is a Relationship between Motherboard FSB and SDRAM Memory memory clock speed? ...
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1answer
16 views

Intel DH55TC motherboard compatible with 2 x 8GB RAM [duplicate]

I have an Intel DH55TC motherboard and want to know if I can equip it with 2 x 8GB to get 16GB, or do I need to buy 4 x 4GB instead? This are the specifications from Intel: ...
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24 views

RAM writes faster than it reads

I've recently created a RAM-Disk on my MBP17" and tried to check the read/write speeds and everything seemed fine. So i did the same test on my MacPro3,1 and i noticed that my RAM (16GB) writes with ...
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35 views

Some errors occur on fresh installed windows 7

First, here's my machine's specifications (refer below) Motherboard: GA H81M DS2 REV3, Processor: Intel core i3 4170, Graphics card: GTX 950 2GB GDDR5 128bit, RAM: 16GB (2 x 8GB) Kingston HyperX Fury ...
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27 views

iMac OSx 10.10.5 32GB Ram, Apparent limit imposed on matlab

I have two identical iMacs, both with 32 GB ram. Both have the same version of matlab installed running the same simulation. One of the machines runs the simulation a lot faster than the other. In ...
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1answer
11 views

Private Working Set Memory of a process is going up

Private Working Set Memory of a process is going up. Can I assume the process has a memory leak? If I add the Available and Free memory from task manager is about constant when Private Working Set ...
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1answer
19 views

Confused about computer specifications regarding maximum RAM amount [duplicate]

Here is my computer. I have 2x2 GB RAM installed. Specification says that it can support 8 GB, but there is a note saying "At the time of this publication HP has not qualified SO-DIMMs larger than 2.0 ...
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1answer
36 views

How much RAM does my motherboard support?

I have Intel(R)Core(TM)i5-4460 CPU@3.20GHz and motherboard from ASROCK-B85Mpro4. Right now I'm having 12GB RAM running in it. My development programs are eating my memory and there are two free slot ...
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18 views

How do I choose the right AWS EC2 instance type?

I read the AWS blog Choosing the Right EC2 Instance Type for Your Application, but I am still not sure how to choose the right one in terms of the cost-performance. I have several WordPress running ...
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11 views

How to access EL1 resources from EL3 on armv8?

The working secerio is that I'm testing OP-TEE on a Hikey board, and they use arm-trusted-firmware to be the monitor running in EL3. I'm trying to access some resources in EL1 by specifying an ...
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1answer
47 views

Windows 7 freezes when all DIMMs are full

I have an old Dell Dimension C521 (0HY175 mobo) which I've upgraded as a budget family PC (homework/bit of gaming on older games etc - I already have a couple of consoles for later games and I have an ...
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1answer
64 views

SVCHOST uses a large amount of memory for short periods of time [duplicate]

Every now and again my laptop starts to be choppy (from lagging mouse response to complete freeze). If I manage to open the Task Manager I find SVCHOST using up all the memory it can get. After a ...
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1answer
1k views

Disabling “System and compressed memory” (ntoskrnl.exe)

I am very exhausted by this. This program is destroying my computer. I have an ASUS G750 series laptop, which has 16gbs of RAM and a haswell i7 inside it. It is just a year old. I upgraded from ...
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2answers
228 views

High compressed memory usage in Windows 10

I've been having problems on Windows 10: periodically I get a "low memory" warning. A lot of the Super User questions on this topic talk about driver memory leaks, but as I'll explain below mine ...
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1answer
32 views

Linux swapping too much

My Linux (Mint 17.2) computer has 4 GB of RAM and 8 GB of swap partition. I have swappiness set to 10 instead of default 60 and it works perfectly, sadly only for some time from start up. When I ...
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1answer
30 views

freeing kernel memory leaked by nvidia driver

I'm running caffe deep learning library on a graphics card and the library does some fancy stuff like mmap'ing some huge files into memory and passing buffers from ram to graphics card back and forth. ...
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23 views

How to check Paging Memory on swap for Windows, via command line?

On Windows operating systems, we use the Resource Monitor to check the memory paging for my server. I need to check it via command line so I can put in my standard script to check and create text ...
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2answers
34 views

Upgrage ram in Vaio Laptop fails

I have this Sony VAIO VPC-EB3M1E which has 4 GB RAM (2GB in each slot) From CPUID I get: Chipset ------------------------------------------------------------------------- Northbridge Intel ...