Path: ...!feeds.phibee-telecom.net!2.eu.feeder.erje.net!feeder.erje.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!raubtier-asyl.eternal-september.org!.POSTED!not-for-mail From: Bonita Montero Newsgroups: comp.lang.c Subject: Re: Good hash for pointers Date: Mon, 3 Jun 2024 20:31:41 +0200 Organization: A noiseless patient Spider Lines: 15 Message-ID: References: <86fru6gsqr.fsf@linuxsc.com> <8634q5hjsp.fsf@linuxsc.com> <86le3wfsmd.fsf@linuxsc.com> <86ed9ofq14.fsf@linuxsc.com> <86sexypvff.fsf@linuxsc.com> <20240602104506.000072e4@yahoo.com> <20240603174604.000014d4@yahoo.com> <20240603195022.0000183a@yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Mon, 03 Jun 2024 20:31:41 +0200 (CEST) Injection-Info: raubtier-asyl.eternal-september.org; posting-host="a53cd7e0133154ada14bd40bdefffe9e"; logging-data="20099"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18VOw9iai1OikDl1jF7XY91I5bfF0IZkuA=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:VWasO8JMUKMk0dNnAQXptLQ+Z/s= Content-Language: de-DE In-Reply-To: <20240603195022.0000183a@yahoo.com> Bytes: 2409 Am 03.06.2024 um 18:50 schrieb Michael S: > What you had shown is, if we borrow terminology from characterization > of analog-to-digital converters, integral uniformity for ramp input. > That is not sufficient. Good hash need both integral and differential > uniformity. The modulo and the prime being multilied with are coprime, so the equal distribution is perfect. You won't get any regular distribution on the values with regular input. > According to Tim Rentsch, your method does not have the later. I falsified him and he stopped responding.