Adds a "heavy" source file that references types from all 70 headers (vector, map, optional, regex, thread, chrono, etc.) to stress-test PCH chain deserialization. Even under full deserialization the chained PCH overhead is only +6% vs monolithic. Also adds an end-to-end benchmark simulating the real workflow: 1. Monolithic PCH build (what user waits for): 1233ms 2. Background chain split (async): 2672ms (user doesn't wait) 3. Incremental append of <chrono>: 28ms vs 1251ms rebuild (44x speedup) 4. Correctness verification: PASS Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
clice
clice is a next-generation language server designed for modern C++. Through excellent asynchronous task scheduling and intelligent caching, it achieves a lower memory footprint and faster response times.
Beyond performance, clice provides instantiation-aware template processing, supports switching header contexts between different source files (including non-self-contained headers), and offers comprehensive support for C++20 modules, from code completion to go-to-definition. Our goal is to provide C++ developers with a truly fast, precise, and intelligent development companion.
Important
Support for header contexts and C++20 modules are core features currently under active development. They will be progressively refined in upcoming releases. Stay tuned!
Getting started
Download the latest clice binary from the releases page and install the vscode extension. Then, add the following configuration to your .vscode/settings.json file:
{
// Optional: Set this to an empty string to turn off the clangd.
"clangd.path": "",
// Point this to the clice binary you downloaded.
"clice.executable": "/path/to/your/clice/executable",
}
Note
As an early version, please do not use it in a production environment. Crashes are expected, and we welcome you to submit issues.
Documentation
To learn more about building, installing, and configuring clice, or to dive deep into its features and architecture, please visit our official documentation at clice.io.