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2019 August 08

IA

Ivan Azoyan in pro.lua
в общем 3  детейгруппы "фильтраторов" и 3 группы детей "составителей". Выиграет тот кто составит первым
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Mikhail in pro.lua
сложностьпроекта стремится в небеса!! 😂
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IA

Ivan Azoyan in pro.lua
командный дух и бартер
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IA

Ivan Azoyan in pro.lua
зато узнаешь кто в будущем будет меценатом
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Mikhail in pro.lua
программистом, ты имел в виду
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IA

Ivan Azoyan in pro.lua
пусть майнят валюту (виртуальную) ещё решая параллельно другие задачки
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IA

Ivan Azoyan in pro.lua
либо шафлишь группу, и их совокупное количество денег равняется сумме их оценок за четверть
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Mikhail in pro.lua
про "майнить" они что-то слышали....
но мозг сразу будет думать о майнкрафте (прощай учеба)
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IA

Ivan Azoyan in pro.lua
Можно сказать по-русски "добыть", "заработать дополнительные очки"
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Igor725 in pro.lua
Mikhail
executor. то есть некий субъект с обратной связью, неким окружением
кем можно командовать и кого можно программировать для решения задач
с визуальным фидбэком
Не знаю, актуален ли ещё вопрос, но посмотри в сторону love2d, это фреймворк для Lua, являющейся прослойкой для некоторых библиотек более низкого уровня, графической (sdl), например, звуковой (openal), работа с сжатыми данными (zlib). Довольно мощная и удобная штука, на нём легко реализовать то, что тебе нужно. На это уйдёт максимум день.
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Igor725 in pro.lua
Я бы и сам занялся этим, интересная тема, да и нет особо вроде как для Lua каких-то обучалок с графической отдачей, так сказать, но больно лень этим всем сейчас заниматься
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Igor725 in pro.lua
Я аж штуку одну вспомнил довольно старую, которая была в своё время основоположницей моей любви к программированию - GameLogo.
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Igor725 in pro.lua
Набираешь код на Лого и черепашка по экрану двигается
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Igor725 in pro.lua
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Mikhail in pro.lua
Igor725
Набираешь код на Лого и черепашка по экрану двигается
У меня есть черепашка для Луа... И штук 20 видео уроков с задачами по ней 😔
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Mikhail in pro.lua
А я буду делать на love2d...
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2019 August 09

CP

Companion Philipp in pro.lua
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CP

Companion Philipp in pro.lua
IPONWEB выпустил свой JIT в опенсорс :)
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LO

Lucky Ook in pro.lua
Companion Philipp
IPONWEB выпустил свой JIT в опенсорс :)
👍
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CP

Companion Philipp in pro.lua
I'm glad to announce the first public release of LuaVela, an
implementation of Lua 5.1 based on LuaJIT 2.0. The project was started
as a fork of LuaJIT 2.0 in 2015. The primary goal was to fix the
notorious 2Gb memory limit on the x86-64 platform. Eventually the
project accumulated several features that we would like to share with
the community.

List of major features:

* Full support for 64-bit memory without any tricks or hacks in the
interpreter and JIT compiler;

* "Sealing": An ability to hide some data from the garbage collector.
In IPONWEB, we use this generation-like (or, better, Eden-like) trick
to mark data with the same lifetime as the application instance itself
reducing overall pressure on GC;

* Immutability: Data structures may be (recursively) marked immutable
in run-time. This implemented via an extension API, the syntax of the
language is unaffected;

* Coroutine timeouts: There are C-level extension APIs that allow to
control the life time of coroutines – once a coroutine runs for too
long, it is terminated by the virtual machine;

* Some new optimizations in the JIT compiler (but some of them are not
brand new if one compares with LuaJIT 2.1);

* New C- and Lua-level extension APIs;

* Platform-level sampling profiler;

* Memory usage profiler;

* Platform-level code coverage.

Apart from that:

* CMake is used as a build system for the project;

* 6 test suites are bundled with the project: Lua 5.1 test suite,
LuaJIT test suite, CERN MAD test suite (partially), lua-Harness test
suite and two suites written inside IPONWEB (for testing at Lua- and
C-level, respectively);

* Documentation bundle is included into the release, too. All the docs
are in the RST format and make docs will build you the HTML version
if you have Sphinx installed. This one is the last thing we prepared
before the release, so apologies for some mishmash there, we will sort
it out eventually.

Feel free to ask any questions, but here is a FAQ list based on what
I've been asked during my talks, etc.:

Q: What does "Vela" in LuaVela mean?

A: It is Vela constellation.

Q: What does "uJIT" mean in the docs and the core code base?

A: This is an internal name of the project in IPONWEB. Unfortunately,
we could not simply strip it off prior to the public release, so
apologies for possible confusion. LuaVela is the preferred public name
of the project, uJIT is something like an internal "code name".

Q: What is the level of compatibility with Lua 5.1?

A: The same as for LuaJIT 2.0. But we wish we could make the
implementation closer to the PUC-Rio implementation.

Q: Why not LuaJIT 2.1 + LJ_GC64?

A: As far as I know, this solution got stabilized by 2016-2017. Alas,
we needed something working earlier. Besides, some experiments we ran
in 2015 with LuaJIT 2.1 showed performance degradation for our cases.

Q: What about support for Lua 5.2+?

A: Unfortunately, we do not have resources to implement it on our own.
However, patches are welcome. We definitely do *not* plan to increase
the compatibility gap with the PUC-Rio implementation. E.g. dropping
support for C API or any initiative like this is not an option for the
project.

Q: What about support for other OSes and other platforms than Linux x86-64?

A: I doubt that 32-bit platforms will be supported. Regarding other
operating systems, we do not have resources to implement it on our
own. However, patches are welcome.

And last, but definitely not least. Many people have worked hard to
make this public release happen. I would like to acknowledge some of
them personally:

* Igor Ehrlich, the godfather of the project who started it and did an
unbelievable amount of work during the project's early development and
establishment phases. In 2016, he gave an excellent talk (sorry, in
Russian only) about our reasons to start an own implementation [1];
* Maxim Bolshov, who put much of his expertise into JIT-related things;
* Ilya Dailidyonok, who, apart from delivering various features, did a
fantastic work polishing the code base at all levels preparing it for
the public release.
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