<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content="text/html; charset=us-ascii" http-equiv=Content-Type> <META name=GENERATOR content="MSHTML 8.00.7600.16700"></HEAD> <BODY> <DIV><FONT size=2 face=Arial><SPAN class=980212512-20012011>It was great fun to play with:</SPAN></FONT></DIV> <DIV><FONT size=2 face=Arial><SPAN class=980212512-20012011></SPAN></FONT> </DIV> <DIV><FONT size=2 face=Arial>(require racket/unsafe/ops)<BR>(require racket/fixnum)<BR>(require racket/future)</FONT></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><SPAN class=980212512-20012011><FONT size=2 face=Arial>I wondered whether or not </FONT></SPAN><SPAN class=980212512-20012011><FONT size=2 face=Arial>two processes can parallelly unsafe-fxvector-set! to the same fxvector.</FONT></SPAN></DIV> <DIV><SPAN class=980212512-20012011><FONT size=2 face=Arial>I tried and it works. Great!</FONT></SPAN></DIV> <DIV><SPAN class=980212512-20012011><FONT size=2 face=Arial>Of course I made sure that the two processes do not unsafe-fxvector-set! on the same elements.</FONT></SPAN></DIV> <DIV><SPAN class=980212512-20012011><FONT size=2 face=Arial></FONT></SPAN> </DIV> <DIV><SPAN class=980212512-20012011><FONT size=2 face=Arial>Thanks,</FONT></SPAN></DIV> <DIV><SPAN class=980212512-20012011></SPAN><SPAN class=980212512-20012011><FONT size=2 face=Arial>Jos</FONT></SPAN></DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV> <DIV> </DIV> <DIV><FONT size=2 face=Arial></FONT> </DIV></BODY></HTML>