vbatts/llama.cpp
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llama : add grammar-based sampling (#1773)

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* llama, main : constrain sampling to grammar

* allow loading grammar from file

* fix whitespace errors

* handle & print parser errors

* add comments to grammar syntax and allow newlines where unambiguous

* add missing include

* support alternates in root rule

* fix bugs with empty token and EOS

* adjust JSON grammar

* remove swp file

* rewrite ternary expressions

Co-authored-by: Henri Vasserman <henv@hot.ee>

* use struct for grammar elements and add Unicode support

* add unicode escapes

* add inverse char ranges

* only sample full tokens (no peeking or truncation)

* llama : minor style changes

blindly applied in online editor - hopefully I didn't break something

* update help text

* add warning message if EOS is disabled

---------

Co-authored-by: Henri Vasserman <henv@hot.ee>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
This commit is contained in:
Evan Jones 2023-07-23 23:58:10 -04:00 • committed by GitHub
parent 2f9cf974a0
commit 84e09a7d8b
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14 changed files with 977 additions and 1 deletions
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examples/CMakeLists.txt
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@ -13,6 +13,8 @@ set(TARGET common)
add_library(${TARGET} OBJECT
common.h
common.cpp
grammar-parser.h
grammar-parser.cpp
)
if (BUILD_SHARED_LIBS)