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1 change: 1 addition & 0 deletions Cargo.lock

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1 change: 1 addition & 0 deletions llama-cpp-bindings/Cargo.toml
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ thiserror = { workspace = true }
toktrie = { workspace = true }

[dev-dependencies]
anyhow = { workspace = true }
llama-cpp-wrapper-error-fixture = { workspace = true }
serial_test = { workspace = true }

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2 changes: 2 additions & 0 deletions llama-cpp-bindings/src/sampling.rs
Original file line number Diff line number Diff line change
Expand Up @@ -364,6 +364,8 @@ impl LlamaSampler {
no_perf: bool,
) -> Result<Self, SamplingError> {
unsafe {
llama_cpp_bindings_sys::ggml_time_init();

let chain = llama_cpp_bindings_sys::llama_sampler_chain_init(
llama_cpp_bindings_sys::llama_sampler_chain_params { no_perf },
);
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24 changes: 24 additions & 0 deletions llama-cpp-bindings/tests/sampler_chain_without_backend.rs
Original file line number Diff line number Diff line change
@@ -0,0 +1,24 @@
use anyhow::Result;
use llama_cpp_bindings::sampling::LlamaSampler;
use llama_cpp_bindings::token::LlamaToken;
use llama_cpp_bindings::token::data::LlamaTokenData;
use llama_cpp_bindings::token::data_array::LlamaTokenDataArray;

#[test]
fn sampler_chain_applies_without_initialized_backend() -> Result<()> {
let sampler_chain = LlamaSampler::chain_simple([LlamaSampler::greedy()?])?;
let mut candidates = LlamaTokenDataArray::new(
vec![
LlamaTokenData::new(LlamaToken::new(0), 1.0, 0.0),
LlamaTokenData::new(LlamaToken::new(1), 5.0, 0.0),
LlamaTokenData::new(LlamaToken::new(2), 3.0, 0.0),
],
false,
);

candidates.apply_sampler(&sampler_chain)?;

assert_eq!(candidates.selected_token(), Some(LlamaToken::new(1)));

Ok(())
}
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