<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;"><br><div><div>On May 15, 2015, at 9:20 PM, Eliot Miranda <<a href="mailto:eliot.miranda@gmail.com">eliot.miranda@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); border-left-style: solid; padding-left: 1ex;">So it looks to me like there may be a (rare) instance variable to register mapping bug in the latest Cog VMs.<br></blockquote><div><br></div><div>Yes, very nearly. In fact it was a bug in new register allocation code for compiling #==. It is fixed in the r3343 VMs. Sorry for the inconvenience. <a href="http://www.mirandabanda.org/files/Cog/VM/VM.r3343">http://www.mirandabanda.org/files/Cog/VM/VM.r3343</a></div></div></div></div></div></blockquote><br></div><div>Great, thanks! Going back to the interpreter VM temporarily made me realize just how much faster Cog was — glad to have it back!</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>— tim</div><div><br></div></body></html>