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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tests/test-backend-ops.cpp
+18 -1
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@@ -9717,6 +9717,17 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_eval() {
}
}
}
for (int k : {4, 8, 16, 32}) {
for (int nrows : {1, 8, 16}) {
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {202048, nrows, 1, 1}, k));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {151936, nrows, 1, 1}, k));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {8192, nrows, 1, 1}, k));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {8193, nrows, 1, 1}, k));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {8192, nrows, 1, 1}, k, true));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {202048, nrows, 1, 1}, k, true));
}
}
for (int k : {1, 2, 3, 7, 15}) {
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {16, 10, 10, 10}, k));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {60, 10, 10, 10}, k));
@@ -10454,7 +10465,13 @@ static std::vector<std::unique_ptr<test_case>> make_test_cases_perf() {
test_cases.emplace_back(new test_argsort(GGML_TYPE_F32, {200000, 16, 1, 1}));
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {2, 1, 1, 1}, 1));
for (auto k : {1, 10, 40, 400}) {
// widths around the tiling threshold
for (auto cols : {4096, 8192, 12288, 16384, 24576, 32768, 65536, 131072}) {
for (auto nrows : {1, 16}) {
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {cols, nrows, 1, 1}, 16));
}
}
for (auto k : {1, 4, 8, 10, 16, 32, 40, 400}) {
for (auto nrows : {1, 16}) {
for (auto cols : {k, 1000, 65000, 200000}) {
test_cases.emplace_back(new test_top_k(GGML_TYPE_F32, {cols, nrows, 1, 1}, k));