Path: news.eternal-september.org!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com>
Newsgroups: comp.lang.c++
Subject: Re: Futexes ain't fast
Date: Fri, 30 Aug 2024 12:43:39 -0700
Organization: A noiseless patient Spider
Lines: 12
Message-ID: <vat7db$k5je$6@dont-email.me>
References: <van414$3fe9t$1@raubtier-asyl.eternal-september.org>
 <vashj8$gpjk$1@dont-email.me>
 <vasp6h$i41a$1@raubtier-asyl.eternal-september.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Fri, 30 Aug 2024 21:43:40 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="52205d2e02d95465ac4101a55f1e89ed";
	logging-data="661102"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18I8FDWE9xu1DMA+CckNPnxakuAeK4c4nU="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:+Cw5VCGIsw/NzxkwDgV5EDl7IIg=
In-Reply-To: <vasp6h$i41a$1@raubtier-asyl.eternal-september.org>
Content-Language: en-US

On 8/30/2024 8:41 AM, Bonita Montero wrote:
> Am 30.08.2024 um 15:31 schrieb jseigh:
> 
>> They don't have to be fast, they just have to allow correct 
>> synchronization
>> and allow performant fast paths. ...
> 
> Futexes are there to make the slow past faster.
> The fast path has been fast before.
> 

No. You are wrong here.