vbatts/llama.cpp
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speculative : refactor and add a simpler example (#10362)

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* speculative : refactor and add a simpler example

ggml-ci

* speculative : clean-up and add comments and TODOs [no ci]

* speculative : manage context in common_speculative

ggml-ci

* speculative : simplify

ggml-ci

* speculative : simplify (cont)

ggml-ci

* speculative : add --draft-min CLI arg

* speculative : minor fixup

* make : build fixes

* speculative : do not redraft previous drafts

ggml-ci

* speculative : fix the draft sampling

ggml-ci

* speculative : fix compile warning

* common : refactor args

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* common : change defaults [no ci]

* common : final touches

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This commit is contained in:
Georgi Gerganov 2024-11-25 09:58:41 +02:00 • committed by GitHub
parent cce5a90075
commit d9d54e498d
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28 changed files with 1028 additions and 326 deletions
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#pragma once
#include "llama.h"
#include "common.h"
struct common_speculative;
struct common_speculative_params {
int n_draft = 16; // max drafted tokens
int n_reuse = 256;
float p_min = 0.9f; // min probabiliy required to accept a token in the draft
};
struct common_speculative * common_speculative_init(struct llama_context * ctx_dft);
void common_speculative_free(struct common_speculative * spec);
bool common_speculative_are_compatible(
const struct llama_context * ctx_tgt,
const struct llama_context * ctx_dft);
// sample up to n_draft tokens and add them to the batch using the draft model
llama_tokens common_speculative_gen_draft(
struct common_speculative * spec,
struct common_speculative_params params,
const llama_tokens & prompt,
llama_token id_last);