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feat(llama-cpp): bump to d775992 and adapt to spec params refactor (#9618)

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Bumps backend/cpp/llama-cpp/Makefile LLAMA_VERSION from 665abc6 to
d775992, picking up upstream PR ggml-org/llama.cpp#22397 which splits
common_params_speculative into nested draft / ngram_simple / ngram_mod
sub-structs. Renames every grpc-server.cpp reference to match:

  speculative.mparams_dft.path  -> speculative.draft.mparams.path
  speculative.{n_max,n_min}     -> speculative.draft.{n_max,n_min}
  speculative.{p_min,p_split}   -> speculative.draft.{p_min,p_split}
  speculative.{n_gpu_layers,n_ctx} -> speculative.draft.{n_gpu_layers,n_ctx}
  speculative.ngram_size_n      -> speculative.ngram_simple.size_n
  speculative.ngram_size_m      -> speculative.ngram_simple.size_m
  speculative.ngram_min_hits    -> speculative.ngram_simple.min_hits

The "speculative.n_max" JSON key sent to the upstream server stays
unchanged — server-task.cpp still reads it and routes the value into
draft.n_max internally.

The turboquant fork (TheTom/llama-cpp-turboquant @ 11a241d) branched
before #22397 and still exposes the flat layout. Since turboquant
reuses the shared backend/cpp/llama-cpp/grpc-server.cpp, extend
patch-grpc-server.sh with an idempotent sed block that reverts the
ten field references back to the legacy flat names on the build copy
only — the original under backend/cpp/llama-cpp/ stays compiling
against vanilla upstream. Drop the block once the fork rebases.

ik-llama-cpp has its own grpc-server.cpp with no speculative refs
(0/2661 lines), so it is unaffected.

Validated locally with `make docker-build-llama-cpp` (avx, avx2,
avx512, fallback, grpc + rpc-server all built; image exported).


Assisted-by: Claude:claude-opus-4-7 [Bash Read Edit]

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>
This commit is contained in:
Ettore Di Giacinto
2026-04-30 08:44:43 +02:00
committed by GitHub
parent 76971fb2aa
commit c02a50f2ab
3 changed files with 45 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
backend/cpp/llama-cpp/Makefile
View File

@@ -1,5 +1,5 @@
LLAMA_VERSION?=665abc609740d397d30c0d8ef4157dbf900bd1a3
LLAMA_VERSION?=d77599234ea6e498775aeadbce665eece5bd98cd
LLAMA_REPO?=https://github.com/ggerganov/llama.cpp
CMAKE_ARGS?=

24
backend/cpp/llama-cpp/grpc-server.cpp
View File

@@ -442,7 +442,7 @@ static void params_parse(server_context& /*ctx_server*/, const backend::ModelOpt
// Draft model for speculative decoding
if (!request->draftmodel().empty()) {
params.speculative.mparams_dft.path = request->draftmodel();
params.speculative.draft.mparams.path = request->draftmodel();
// Default to draft type if a draft model is set but no explicit type
if (params.speculative.type == COMMON_SPECULATIVE_TYPE_NONE) {
params.speculative.type = COMMON_SPECULATIVE_TYPE_DRAFT;
@@ -679,39 +679,39 @@ static void params_parse(server_context& /*ctx_server*/, const backend::ModelOpt
}
} else if (!strcmp(optname, "spec_n_max") || !strcmp(optname, "draft_max")) {
if (optval != NULL) {
try { params.speculative.n_max = std::stoi(optval_str); } catch (...) {}
try { params.speculative.draft.n_max = std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_n_min") || !strcmp(optname, "draft_min")) {
if (optval != NULL) {
try { params.speculative.n_min = std::stoi(optval_str); } catch (...) {}
try { params.speculative.draft.n_min = std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_p_min") || !strcmp(optname, "draft_p_min")) {
if (optval != NULL) {
try { params.speculative.p_min = std::stof(optval_str); } catch (...) {}
try { params.speculative.draft.p_min = std::stof(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_p_split")) {
if (optval != NULL) {
try { params.speculative.p_split = std::stof(optval_str); } catch (...) {}
try { params.speculative.draft.p_split = std::stof(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_ngram_size_n") || !strcmp(optname, "ngram_size_n")) {
if (optval != NULL) {
try { params.speculative.ngram_size_n = (uint16_t)std::stoi(optval_str); } catch (...) {}
try { params.speculative.ngram_simple.size_n = (uint16_t)std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_ngram_size_m") || !strcmp(optname, "ngram_size_m")) {
if (optval != NULL) {
try { params.speculative.ngram_size_m = (uint16_t)std::stoi(optval_str); } catch (...) {}
try { params.speculative.ngram_simple.size_m = (uint16_t)std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "spec_ngram_min_hits") || !strcmp(optname, "ngram_min_hits")) {
if (optval != NULL) {
try { params.speculative.ngram_min_hits = (uint16_t)std::stoi(optval_str); } catch (...) {}
try { params.speculative.ngram_simple.min_hits = (uint16_t)std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "draft_gpu_layers")) {
if (optval != NULL) {
try { params.speculative.n_gpu_layers = std::stoi(optval_str); } catch (...) {}
try { params.speculative.draft.n_gpu_layers = std::stoi(optval_str); } catch (...) {}
}
} else if (!strcmp(optname, "draft_ctx_size")) {
if (optval != NULL) {
try { params.speculative.n_ctx = std::stoi(optval_str); } catch (...) {}
try { params.speculative.draft.n_ctx = std::stoi(optval_str); } catch (...) {}
}
}
}
@@ -933,8 +933,8 @@ public:
if (!params.mmproj.path.empty()) {
error_msg += " (with mmproj: " + params.mmproj.path + ")";
}
if (params.speculative.has_dft() && !params.speculative.mparams_dft.path.empty()) {
error_msg += " (with draft model: " + params.speculative.mparams_dft.path + ")";
if (params.speculative.has_dft() && !params.speculative.draft.mparams.path.empty()) {
error_msg += " (with draft model: " + params.speculative.draft.mparams.path + ")";
}
// Add captured error details if available