BatchGrammarMatcher

metrale_grammar::matcher

Struct BatchGrammarMatcher 

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pub struct BatchGrammarMatcher { /* private fields */ }
Expand description

A batched driver over many GrammarMatchers — fills one packed bitmask tensor for a whole decode batch in parallel.

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impl BatchGrammarMatcher

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pub fn new(max_threads: Option<usize>) -> Self

Construct a batched matcher.

max_threads: None picks available_parallelism / 2 (the C++ "auto" default); Some(n) caps at n (must be >= 1).

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pub fn max_threads(&self) -> usize

The configured worker-thread cap.

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pub fn fill_next_token_bitmask( &self, matchers: &mut [GrammarMatcher], bitmask: &mut [i32], debug: bool, ) -> Vec<Result<bool, FillError>>

Fill bitmask for every matcher in matchers.

bitmask is one flat buffer of matchers.len() * bitmask_size(vocab) words; matcher i writes slice i. Every matcher must share the same vocabulary size. Port of BatchFillNextTokenBitmask (natural-index form).

Returns one Result per matcher (same order).

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pub fn accept_token( matchers: &mut [GrammarMatcher], token_ids: &[i32], debug: bool, ) -> Vec<bool>

Accept one token per matcher. token_ids[i] is fed to matchers[i]. Port of BatchAcceptToken.

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pub fn accept_string( matchers: &mut [GrammarMatcher], input_strs: &[&str], debug: bool, ) -> Vec<bool>

Accept one string per matcher. Port of BatchAcceptString.

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impl Clone for BatchGrammarMatcher

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fn clone(&self) -> BatchGrammarMatcher

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BatchGrammarMatcher

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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