Lumpiasty/llama.cpp
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spec : add DFlash2 support (local convolution + candidate selector) (#27342) (#27816)

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* spec : add DFlash2 support (local convolution + candidate selector) (#27342)

* support DFlash2

* Add p_min in DFlash2

Assisted-by: Claude Opus 5

* Revert unnecessary changes

Assisted-by: Claude Opus 5

* Revert draft sampling in rejection sampling

Assisted-by: Claude Opus 5

* Refactor code structure

Assisted-by: Claude Opus 5

* Delete embedding scaling

Assisted-by: Claude Opus 5

* Gate output transforms on DFlash2

Assisted-by: Claude Opus 5

* Optimize Dflash 2 cost

Assisted-by: Claude Opus 5

* Avoid using atoi

Assisted-by: Claude Opus 5

* Modify comments

Assisted-by: Claude Opus 5

* Move llama_model_dflash_selector_top_k to llama-ext.h

Assisted-by: Claude Opus 5

* Formatting

Assisted-by: Claude Opus 5

* Apply patch to fix the mrope bug

Assisted-by: Claude Opus 5

* fix ci

Assisted-by: Claude Opus 5

* Fix graph number calculation

Assisted-by: Claude Opus 5

* rename hid and unary

Assisted-by: Claude Opus 5

---------

Co-authored-by: Jian Chen <jianchen0311@gmail.com>
Co-authored-by: Xuan-Son Nguyen <son@huggingface.co>

* revert top-k.cu changes

---------

Co-authored-by: Zihan Zhang <tiancaizhangdaxian@sjtu.edu.cn>
Co-authored-by: Jian Chen <jianchen0311@gmail.com>
This commit is contained in:
Xuan-Son Nguyen
2026-08-27 19:17:07 +02:00
committed by GitHub
co-authored by Jian Chen Zihan Zhang
parent 58546250cf
commit b10f9ca58c
15 changed files with 538 additions and 24 deletions
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src/llama-model.h
+9
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@@ -363,6 +363,11 @@ struct llama_layer {
struct ggml_tensor * ffn_exp_probs_b = nullptr;
struct ggml_tensor * ffn_gate_tid2eid = nullptr;
struct ggml_tensor * dflash_attn_conv_base = nullptr;
struct ggml_tensor * dflash_attn_conv_proj = nullptr;
struct ggml_tensor * dflash_ffn_conv_base = nullptr;
struct ggml_tensor * dflash_ffn_conv_proj = nullptr;
// mamba proj
struct ggml_tensor * ssm_in = nullptr;
struct ggml_tensor * ssm_x = nullptr;
@@ -649,6 +654,10 @@ struct llama_model {
struct ggml_tensor * dspark_conf_proj = nullptr;
struct ggml_tensor * dspark_conf_proj_b = nullptr;
struct ggml_tensor * dflash_selector_prev = nullptr;
struct ggml_tensor * dflash_selector_next = nullptr;
struct ggml_tensor * dflash_selector_hidden = nullptr;
// unified vector to store target-model extracted layer ids in eagle3, dflash, etc.
std::vector<int32_t> target_layer_ids;