MemAlloc is a free memory allocation tool. It allows you to stress and test your Windows operating
system by requesting any amount of memory you want.
You can use "MemAlloc" memory allocation program to:
- Put a stress on your Windows system for benchmarking reasons
- Easily simulate a heavy memory load (which usually appears while you are using
simultaneously several big programs, games, etc)
- Determine hardware (memory) requirements for some specific software environments
- Test defective hardware
- Test performance of specific hardware
- Compare behavior of different operating systems in heavy memory load conditions
- Test recoverability capacity and time after a heavy memory load of your operation system
- Consume all Windows OS available memory to test the behavior of other programs when Windows OS is low in memory
- Display real time information about your system resources usage:
- Total RAM
- Total virtual
- Available RAM
- Total page file
- Memory load
- Avail page file
The program will refresh the system resources usage values at every second.
Experiment - Heavy memory load simulation
In this experiment we will set the MemAlloc program to allocate 1.030GB of RAM, while the test computer has only 1023.4GB of installed physical RAM memory.
After pressing the ‘Allocate’ button
(fig. 1), the MemAlloc program shows not only that Windows is return to give the requested memory, but also it has some extra free memory (about 22MB) available.
How is this possible?
Windows is low in memory, it will "download" some of the running programs to disk, using their memory for other more urgent purposes. This process is called "swapping".
This way it creates the impression that the amount of available memory (called "virtual memory") is higher than the real amount of memory installed in your computer. This
is an ingenious solution but it is not perfect, because swapping other programs to disk is very slow.
How does it work?
The MemAlloc memory allocation program will requests from Windows OS the specified amount of memory. This amount can be defined in chunks of 1MB.
This program is now freeware.
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