Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!news.glorb.com!news-out.readnews.com!transit3.readnews.com!news-out.news.tds.net!newsreading01.news.tds.net!53ab2750!not-for-mail From: "Joerg Meier" Subject: Re: hashCode Message-ID: <50269FD2.56657.calajapr@time.synchro.net> X-Comment-To: Roedy Green Newsgroups: comp.lang.java.programmer In-Reply-To: <50269FD1.56651.calajapr@time.synchro.net> References: <50269FD1.56651.calajapr@time.synchro.net> X-FTN-AREA: COMP.LANG.JAVA.PROGRAMMER X-FTN-MSGID: 1:261/38 7ece3b03 X-FTN-REPLY: 1:261/38 8dbf78a7 Content-Type: text/plain; charset=IBM437 Content-Transfer-Encoding: 8bit X-Gateway: time.synchro.net [Synchronet 3.16a-Win32 NewsLink 1.98] Lines: 26 Date: Sat, 11 Aug 2012 18:17:56 GMT NNTP-Posting-Host: 69.21.70.65 X-Complaints-To: news@tds.net X-Trace: newsreading01.news.tds.net 1344709076 69.21.70.65 (Sat, 11 Aug 2012 13:17:56 CDT) NNTP-Posting-Date: Sat, 11 Aug 2012 13:17:56 CDT Organization: tds.net Xref: csiph.com comp.lang.java.programmer:17709 To: Roedy Green From: Joerg Meier On Sat, 11 Aug 2012 04:54:09 -0700, Roedy Green wrote: > On Fri, 10 Aug 2012 12:45:07 -0700 (PDT), Lew > wrote, quoted or indirectly quoted someone who said : >> h =3D 31 * h + attribute.hashCode(); >> } > In my essay I recommend XOR which is an inherentely faster operation > than multiply. Hasn't that been wrong since about the invention of the 80386 processor family ? Pretty sure by now MUL and XOR both take one cycle and that's it. Liebe Gruesse, Joerg -- Ich lese meine Emails nicht, replies to Email bleiben also leider ungelesen. --- BBBS/Li6 v4.10 Dada-1 * Origin: Prism bbs (1:261/38) --- Synchronet 3.16a-Win32 NewsLink 1.98 Time Warp of the Future BBS - telnet://time.synchro.net:24