Written by Nikita Popov
/ Original link
on May. 10, 2020
The front page of the LLVM website proudly claims that: Clang is an “LLVM native” C/C++/Objective-C compiler, which aims to deliver amazingly fast compiles […] I’m not sure whether this has been true in the past, but it certainly isn’t true now. Each LLVM release is a few percent slower than the la…
Written by Nikita Popov
/ Original link
on May. 10, 2020
The front page of the LLVM website proudly claims that: Clang is an “LLVM native” C/C++/Objective-C compiler, which aims to deliver amazingly fast compiles […] I’m not sure whether this has been true in the past, but it certainly isn’t true now. Each LLVM release is a few percent slower than the la…
Written by Nikita Popov
/ Original link
on Apr. 14, 2017
This article aims to provide an overview of the Zend Virtual Machine, as it is found in PHP 7. This is not a comprehensive description, but I try to cover most of the important parts, as well as some of the finer details. This description targets PHP version 7.2 (currently in development), but near…
Written by Nikita Popov
/ Original link
on Apr. 14, 2017
This article aims to provide an overview of the Zend Virtual Machine, as it is found in PHP 7. This is not a comprehensive description, but I try to cover most of the important parts, as well as some of the finer details. This description targets PHP version 7.2 (currently in development), but near…
Written by Nikita Popov
/ Original link
on Jun. 19, 2015
In the first part of this article, high level changes in the internal value representation between PHP 5 and PHP 7 were discussed. As a reminder, the main difference was that zvals are no longer individually allocated and don’t store a reference count themselves. Simple values like integers or floa…
Written by Nikita Popov
/ Original link
on Jun. 18, 2015
In the first part of this article, high level changes in the internal value representation between PHP 5 and PHP 7 were discussed. As a reminder, the main difference was that zvals are no longer individually allocated and don’t store a reference count themselves. Simple values like integers or floa…