memfull

small c++ utility program to fill up your memory.

Compile:

g++ -Wall memory_test.cpp -o memory_test

Run:

./memory_test

Example run using 250MB block:

~/Documents/k2_informatics/memfull $ ./memory_test 
Please enter the block size (in MB): 250
Enter '+' to allocate and '-' to release a block of memory
++++
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
++
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
Reserving a block of memory
Memory allocated, filling with random characters
Enter '+' to allocate and '-' to release a block of memory
----
released a block of memory
Enter '+' to allocate and '-' to release a block of memory
released a block of memory
Enter '+' to allocate and '-' to release a block of memory
released a block of memory
Enter '+' to allocate and '-' to release a block of memory
released a block of memory
Enter '+' to allocate and '-' to release a block of memory

After running the above operations the memory used by the program is 500MB

 memory_test	500.4 MB	1	10	21927	agustin	0.0	8.59