Update README.md

immortalvm · Jun 15, 2021 · 2e36a45 · 2e36a45
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@@ -216,6 +216,13 @@ To test the compiler, do the following:
   export PATH=/path/to/ivm/bin:${PATH}
   ```
 
+* [optional] You may wish to define an emulator to use and the memory limit:
+
+  ```    
+  export IVM_MAXMEM=2000000000
+  export IVM_EMU=/path/to/ivm_emu_fast
+  ```
+
 * Go to the example folder:
 
   ```