From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by sourceware.org (Postfix) with ESMTPS id 47BDF3857B9C for ; Mon, 27 Jun 2022 16:18:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 47BDF3857B9C Received: from mail-ed1-f70.google.com (mail-ed1-f70.google.com [209.85.208.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-577-W-HUwptCNdCkgl5S3BfCZQ-1; Mon, 27 Jun 2022 12:18:52 -0400 X-MC-Unique: W-HUwptCNdCkgl5S3BfCZQ-1 Received: by mail-ed1-f70.google.com with SMTP id m8-20020a056402430800b00435cfa7c6d1so7509186edc.9 for ; Mon, 27 Jun 2022 09:18:52 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=ILA56wGxNoQwDwCVwBHOqvzhjd1t7Rvu6JuPkRj8wkc=; b=wuETtdrKN8mNt2SdNAx49W1O8OWHK4VpLfvLmXsmOBXdC4I0uqWNRNjtXrZaC9Macl xeibPkC0yASpuokktd6SuaYWzlefOvZru2ubCm9mt5J4EyVhoEQU8n9pMOLZ2T1XmQc9 Q4zt9uDrOiFmemTFbWGEpbR7wruDXNreJWNBvnkclmPCBnFi8oTP2PGw6DzC3lp/WYWP FOesHS8gYYntJ4IVBEAtucmqTHT35v27H+3zXWnVLqJMWU01jJTZ+X6mmtwBF9n+5tOi GL8IwhVk0QmI3dow8WHGiAVsLbJSRGxl36H9rTjCaayGY23Cn61JEYUDlOdutZkB7rXi vwYg== X-Gm-Message-State: AJIora8B3o/gmULMjK/NAXZUl8Y8Y3KuQ3mSAQWdpIZD7/pj9k6APFJ5 QQZGUNLDOx+ckEh51R4DLlzP2EJWHzhYMyxfVFPVy0aAQsgyWBLXaGutqNPeJ8zQ0Hki1Rf7ZE4 ZY0VHSa70nabyKr+rzi9hdYtsmAQi7HY= X-Received: by 2002:a17:907:6294:b0:6e1:ea4:74a3 with SMTP id nd20-20020a170907629400b006e10ea474a3mr13824076ejc.168.1656346731625; Mon, 27 Jun 2022 09:18:51 -0700 (PDT) X-Google-Smtp-Source: AGRyM1tboR9TXzOwcJIJA7HIC6T85bOXF9KWL0yDebeDAqF/CGIWuh6yiPTJsV/61+1y9mxJF4npDcP4G1EWCzTIXyE= X-Received: by 2002:a17:907:6294:b0:6e1:ea4:74a3 with SMTP id nd20-20020a170907629400b006e10ea474a3mr13824045ejc.168.1656346731278; Mon, 27 Jun 2022 09:18:51 -0700 (PDT) MIME-Version: 1.0 References: <8df25ff1-5b70-4030-768b-965f92870eb9@gmail.com> <3984eef3-6508-9a2c-4118-73f4786f6810@gmail.com> In-Reply-To: <3984eef3-6508-9a2c-4118-73f4786f6810@gmail.com> From: Jonathan Wakely Date: Mon, 27 Jun 2022 17:18:40 +0100 Message-ID: Subject: Re: [PATCH] Enhance _Hashtable for range insertion 0/5 To: =?UTF-8?Q?Fran=C3=A7ois_Dumont?= Cc: "libstdc++@gcc.gnu.org" , gcc-patches X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-4.0 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_NUMSUBJECT, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_NONE, TXREP, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: libstdc++@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libstdc++ mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Jun 2022 16:18:55 -0000 On Sun, 26 Jun 2022 at 21:06, Fran=C3=A7ois Dumont w= rote: > > I knew you were going to ask for it but was to impatient to propose > those patches to wait anymore. Heh, OK :-) I've started reviewing them, but I thought I'd ask that question first. > > Attached you'll find what I start to work on. But I am quite > disappointed by the results. At least it's showing that results are not > worst. > > To be honest I was also hoping some feedback from potential users > interesting in testing those patches. And maybe there are some well > known (and free) benches that I could challenge ? I don't know of any, sorry :-( It would be very useful to have a good set of std::lib benchmarking tests. https://github.com/hiraditya/std-benchmark does have a umap.cpp test but it's *very* basic (like most of the tests there - that project only seems to have good benchmarks for strings).