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Groups > comp.lang.c++ > #80760
| From | MrSpud_71i5@slwgrcbmd1l7yi1.org |
|---|---|
| Newsgroups | comp.lang.c++ |
| Subject | Re: "Nearly a quarter-century later, why is C++ still so popular?" |
| Date | 2021-07-30 11:21 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <se0nau$m2o$1@gioia.aioe.org> (permalink) |
| References | (2 earlier) <sdr3p0$cvu$1@gioia.aioe.org> <sdrp6m$7bn$1@dont-email.me> <chine.bleu-DA14A8.07525728072021@reader.eternal-september.org> <sdtja3$17il$1@gioia.aioe.org> <0d40ea68-6b4f-4ac9-bdda-47f280aa3b84n@googlegroups.com> |
On Thu, 29 Jul 2021 09:31:33 -0700 (PDT) =?UTF-8?B?w5bDtiBUaWli?= <ootiib@hot.ee> wrote: >On Thursday, 29 July 2021 at 09:54:13 UTC+3, Juha Nieminen wrote: >> >> Of course, as it turns out, this paradigm is inefficient in modern CPUs >> (because of caches, pipelines, predictive branching, etc.) The CPU >> doesn't really like objects that are randomly placed in memory, thus >> with data being accessed from random memory locations. It also doesn't >> like branches it cannot predict. Or branching at all, especially >> indirect branching. (Also, compilers have a hard time optimizing >> code full of true function calls, because they can't see what the >> function is doing, and it hinders things like autovectorization.) > >When it matters to performance then there are presumably >large containers of such objects? The boost::base_collection can help >there as instead of allocating each object dynamically in random memory >locations it keeps those in subcontainers by value. And where do these subcontainers allocate their memory from? The magic woo woo heap in special moonbeam memory?
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"Nearly a quarter-century later, why is C++ still so popular?" Lynn McGuire <lynnmcguire5@gmail.com> - 2021-07-27 14:59 -0500
Re: "Nearly a quarter-century later, why is C++ still so popular?" Siri Cruise <chine.bleu@yahoo.com> - 2021-07-27 13:48 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Vir Campestris <vir.campestris@invalid.invalid> - 2021-07-27 22:05 +0100
Re: "Nearly a quarter-century later, why is C++ still so popular?" Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2021-07-27 14:23 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" legalize+jeeves@mail.xmission.com (Richard) - 2021-08-05 19:49 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Jorgen Grahn <grahn+nntp@snipabacken.se> - 2021-08-19 20:08 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Siri Cruise <chine.bleu@yahoo.com> - 2021-08-19 18:20 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-08-20 06:13 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Jorgen Grahn <grahn+nntp@snipabacken.se> - 2021-08-20 06:17 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Siri Cruise <chine.bleu@yahoo.com> - 2021-08-20 00:03 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-08-20 11:03 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" mickspud@downthefarm.com - 2021-08-20 15:19 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-08-20 14:26 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" Öö Tiib <ootiib@hot.ee> - 2021-08-29 23:40 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Cholo Lennon <chololennon@hotmail.com> - 2021-07-27 21:01 -0300
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-07-28 08:16 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-07-28 16:22 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" Siri Cruise <chine.bleu@yahoo.com> - 2021-07-28 07:53 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" "Alf P. Steinbach" <alf.p.steinbach@gmail.com> - 2021-07-28 21:23 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" Siri Cruise <chine.bleu@yahoo.com> - 2021-07-28 14:16 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-07-29 06:53 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Öö Tiib <ootiib@hot.ee> - 2021-07-29 09:31 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" MrSpud_71i5@slwgrcbmd1l7yi1.org - 2021-07-30 11:21 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-08-01 08:28 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Öö Tiib <ootiib@hot.ee> - 2021-08-01 05:49 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-08-02 10:23 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" MrSpud_rLY23@_h_.co.uk - 2021-08-02 15:05 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Öö Tiib <ootiib@hot.ee> - 2021-08-03 04:57 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Juha Nieminen <nospam@thanks.invalid> - 2021-08-03 12:16 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Öö Tiib <ootiib@hot.ee> - 2021-08-03 06:01 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Ian Collins <ian-news@hotmail.com> - 2021-08-08 13:03 +1200
Re: "Nearly a quarter-century later, why is C++ still so popular?" "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-08-07 22:43 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Vir Campestris <vir.campestris@invalid.invalid> - 2021-08-01 21:40 +0100
Re: "Nearly a quarter-century later, why is C++ still so popular?" Chris Vine <chris@cvine--nospam--.freeserve.co.uk> - 2021-07-29 09:53 +0100
Re: "Nearly a quarter-century later, why is C++ still so popular?" Manfred <noname@add.invalid> - 2021-07-30 13:51 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" Manfred <noname@add.invalid> - 2021-07-30 13:40 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" Bonita Montero <Bonita.Montero@gmail.com> - 2021-07-28 04:05 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" MrSpud_oyam9ltRb0@khlkg.info - 2021-07-28 09:30 +0000
Re: "Nearly a quarter-century later, why is C++ still so popular?" Bo Persson <bo@bo-persson.se> - 2021-07-28 08:19 +0200
Re: "Nearly a quarter-century later, why is C++ still so popular?" "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2021-08-03 13:10 -0700
Re: "Nearly a quarter-century later, why is C++ still so popular?" Lynn McGuire <lynnmcguire5@gmail.com> - 2021-08-03 18:37 -0500
Re: "Nearly a quarter-century later, why is C++ still so popular?" Cholo Lennon <chololennon@hotmail.com> - 2021-08-05 18:17 -0300
Re:"Nearly a quarter-century later, why is C++ still so popular?" Blue Hat <blue_hat@hackershaven.com.jm> - 2021-08-08 13:33 -0500
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