Welcome to MemStep-GC!

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Add variable to stack Update stack value Add stack frame Deallocate stack frame

Add object to heap Add array to heap Update heap value Increment ref count Decrement ref count Free object or array

Code Graph Compact

Memory

Stack Contents

Address	Heap Contents

Previous Operations:

Tutorial

Begin Exercise

Settings

Base Address:

Enter the base address in hexadecimal. The base address must be a multiple of 8.

Initialize local vars?

Off

Reference Size

4 bytes

8 bytes

Require alignment?

Off

Object Alignment Size

4 bytes

8 bytes

Enable Garbage Collection?

Off

Garbage Collection Type

If you stop the current exercise, your progress will be lost, but you will be able to modify the code and start new exercises. Are you sure you'd like to stop the current exercise?

Are you sure that you want to delete this file?

You can't delete the last file!
If you'd like to delete this file, please create a new file first.

Delete file

This tool was designed and implemented by Rebecca Schreib, Michelle Pham, Josh Stallings, Praise Mayor, and Anna Nguyen. It makes use of JavaParser, Monaco, and Bulma.

If you encounter any issues, please contact Rebecca Schreib at rjs@rice.edu!

It's time to perform mark-sweep garbage collection! You will now be prompted to complete a series of different steps related to garbage collection. Please make sure to carefully read and follow the instructions!