WOLFRAM

Wolfram Language & System Documentation Center

MaxMemoryUsed[]

gives the maximum number of bytes used to store all data for the current Wolfram System session.

MaxMemoryUsed[expr]

gives the maximum number of bytes used during the evaluation of expr.

Details
Details and Options Details and Options
Examples  
Basic Examples  
See Also
Tech Notes
Related Guides
History
Cite this Page

MaxMemoryUsed

MaxMemoryUsed[]

gives the maximum number of bytes used to store all data for the current Wolfram System session.

MaxMemoryUsed[expr]

gives the maximum number of bytes used during the evaluation of expr.

Details

  • On most computer systems, MaxMemoryUsed[] will give results close to those obtained from external process status requests.
  • MaxMemoryUsed[] will not typically account for code space, stack space, or the effects of heap fragmentation.

Examples

Basic Examples  (2)

Show the maximum memory used during a session:

See how much the maximum memory used increased for a computation:

Wolfram Research (1988), MaxMemoryUsed, Wolfram Language function, https://reference.wolfram.com/language/ref/MaxMemoryUsed.html.

Text

Wolfram Research (1988), MaxMemoryUsed, Wolfram Language function, https://reference.wolfram.com/language/ref/MaxMemoryUsed.html.

CMS

Wolfram Language. 1988. "MaxMemoryUsed." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/MaxMemoryUsed.html.

APA

Wolfram Language. (1988). MaxMemoryUsed. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/MaxMemoryUsed.html

BibTeX

@misc{reference.wolfram_2025_maxmemoryused, author="Wolfram Research", title="{MaxMemoryUsed}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/MaxMemoryUsed.html}", note=[Accessed: 28-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_maxmemoryused, organization={Wolfram Research}, title={MaxMemoryUsed}, year={1988}, url={https://reference.wolfram.com/language/ref/MaxMemoryUsed.html}, note=[Accessed: 28-August-2025]}