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Laravel Tech Community
Laravel Tech Community
Feb 27, 2021 · Backend Development

HHVM 4.98 Release: New Features, Major Changes, and Upcoming Deprecations

HHVM 4.98 has been officially released, ending support for version 4.92 while continuing maintenance for 4.93‑4.97 and LTS releases, introducing minor typechecker improvements, new error detection for conflicting constants, and outlining future deprecations such as the inst_meth function and stricter string concatenation rules.

Backend DevelopmentHHVMHack
0 likes · 3 min read
HHVM 4.98 Release: New Features, Major Changes, and Upcoming Deprecations
Qunar Tech Salon
Qunar Tech Salon
May 13, 2015 · R&D Management

Facebook's Engineering Culture and R&D Management Practices

The talk explains Facebook's early engineering culture—emphasizing rapid "Hack" iterations, a decentralized organization that avoids dependencies, open code‑base ownership, data‑driven debate, and the strategic hiring of strong engineers—to illustrate how these practices drive high‑speed product development.

Engineering CultureFacebookHack
0 likes · 17 min read
Facebook's Engineering Culture and R&D Management Practices
Baidu Tech Salon
Baidu Tech Salon
Mar 19, 2014 · Backend Development

Understanding HHVM: Facebook's High-Performance PHP Virtual Machine and Its JIT Optimization

HHVM, Facebook’s high‑performance PHP virtual machine, uses a type‑driven tracelet JIT and custom bytecode to achieve up to nine‑fold speed gains, making runtime optimization the only practical solution for Facebook’s massive codebase while requiring careful compatibility testing, memory management, and Hack language support.

Backend DevelopmentFacebookHHVM
0 likes · 18 min read
Understanding HHVM: Facebook's High-Performance PHP Virtual Machine and Its JIT Optimization