# \[ANN\] RepliBuild.jl - A full C/C++ interop toolkit for tiered FFI generation

**URL:** <https://discourse.julialang.org/t/ann-replibuild-jl-a-full-c-c-interop-toolkit-for-tiered-ffi-generation/136122>\
**Category:** Package Announcements\
**Created:** [March 10, 2026, 5:42pm UTC](https://discourse.julialang.org/t/ann-replibuild-jl-a-full-c-c-interop-toolkit-for-tiered-ffi-generation/136122 "2026-03-10T17:42:57Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![obsidianjulua](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/obsidianjulua/32/221495_2.png) [@obsidianjulua](https://discourse.julialang.org/u/obsidianjulua)\
**Post date:** [September 20, 2026, 4:51pm UTC](https://discourse.julialang.org/t/ann-replibuild-jl-a-full-c-c-interop-toolkit-for-tiered-ffi-generation/136122/23 "2026-09-20T16:51:17Z")

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![2026-09-20-114513_hyprshot](https://global.discourse-cdn.com/julialang/original/3X/3/f/3f7b7831871c4ebf3e7e9403014ec7b405a06066.png)

MLIR thunk magic, 0 GC, 0 latency, 0 allocations

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**Author:** ![obsidianjulua](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/obsidianjulua/32/221495_2.png) [@obsidianjulua](https://discourse.julialang.org/u/obsidianjulua)\
**Post date:** [September 20, 2026, 7:13pm UTC](https://discourse.julialang.org/t/ann-replibuild-jl-a-full-c-c-interop-toolkit-for-tiered-ffi-generation/136122/24 "2026-09-20T19:13:46Z")

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![2026-09-20-141154_hyprshot](https://global.discourse-cdn.com/julialang/original/3X/4/f/4ffa3e91568e7ad154edcd72c403ee49ff8847d9.png)  
 ![2026-09-20-141232_hyprshot](https://global.discourse-cdn.com/julialang/original/3X/0/f/0f483e5720fb45c1ff2b04aed79ee0dc56e1a3dd.png)

So the honest claim is: you can drive AOT-compiled GPU kernels from Julia with AOT-compiled host marshalling, at zero allocation, through a C++ API, with no C shim and no C++ host program.

Only in Julia

> <https://github.com/obsidianjulua/RepliBuild-Hub/blob/main/examples%2FImguiDemo%2FREADME.md>

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