1) Turn off the background syntax checker (click the dot in the bottom right corner).
2) Turn off "Program contour" in the "View menu" if you happen to have it on.
If that's not enough:
3) Use "Limit Memory" in the "Racket" menu to limit the memory use for the user program to say 256MB.
4) For more speed: In the language menu use "Choose language...", click the "Show details" button and turn ofd debugging. (But that's a last resort)
1) Turn off the background syntax checker (click the dot in the bottom right corner).
2) Turn off "Program contour" in the "View menu" if you happen to have it on.
If that's not enough:
3) Use "Limit Memory" in the "Racket" menu to limit the memory use for the user program to say 256MB.
4) For more speed: In the language menu use "Choose language...", click the "Show details" button and turn ofd debugging. (But that's a last resort)