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fix: some fields in cparams_draft

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DeEMO 2025-06-27 06:07:47 +00:00
parent 2e8e42a5ad
commit d248f3c40e
2 changed files with 13 additions and 6 deletions
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5
common/arg.cpp
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@ -1555,13 +1555,14 @@ gpt_params_context gpt_params_parser_init(gpt_params & params, llama_example ex,
{"-ngld", "--gpu-layers-draft", "--n-gpu-layers-draft"}, "N", {"-ngld", "--gpu-layers-draft", "--n-gpu-layers-draft"}, "N",
"number of layers to store in VRAM for the draft model", "number of layers to store in VRAM for the draft model",
[](gpt_params & params, int value) { [](gpt_params & params, int value) {
params.n_gpu_layers_draft = value; params.n_gpu_layers_draft = value; // TODO: remove
params.speculative.n_gpu_layers = value;
if (!llama_supports_gpu_offload()) { if (!llama_supports_gpu_offload()) {
fprintf(stderr, "warning: not compiled with GPU offload support, --gpu-layers-draft option will be ignored\n"); fprintf(stderr, "warning: not compiled with GPU offload support, --gpu-layers-draft option will be ignored\n");
fprintf(stderr, "warning: see main README.md for information on enabling GPU BLAS support\n"); fprintf(stderr, "warning: see main README.md for information on enabling GPU BLAS support\n");
} }
} }
).set_examples({LLAMA_EXAMPLE_SPECULATIVE})); ).set_examples({LLAMA_EXAMPLE_SPECULATIVE, LLAMA_EXAMPLE_SERVER}));
add_opt(llama_arg( add_opt(llama_arg(
{"-sm", "--split-mode"}, "{none,layer,row}", {"-sm", "--split-mode"}, "{none,layer,row}",
"how to split the model across multiple GPUs, one of:\n" "how to split the model across multiple GPUs, one of:\n"

12
examples/server/server.cpp
View file

@ -727,6 +727,7 @@ struct server_context {
params_dft.model = params.speculative.model; params_dft.model = params.speculative.model;
params_dft.n_ctx = params.speculative.n_ctx; params_dft.n_ctx = params.speculative.n_ctx;
params_dft.n_gpu_layers = params.speculative.n_gpu_layers; params_dft.n_gpu_layers = params.speculative.n_gpu_layers;
params_dft.use_mlock = true;
params_dft.n_world = 1; // do not split the draft model across devicesAdd commentMore actions params_dft.n_world = 1; // do not split the draft model across devicesAdd commentMore actions
params_dft.rank = 0; // always load the draft model on the head device params_dft.rank = 0; // always load the draft model on the head device
@ -752,6 +753,11 @@ struct server_context {
cparams_dft = llama_context_params_from_gpt_params(params); cparams_dft = llama_context_params_from_gpt_params(params);
cparams_dft.n_batch = llama_n_ctx(llama_init_dft.context); cparams_dft.n_batch = llama_n_ctx(llama_init_dft.context);
cparams_dft.n_world = 1;
cparams_dft.rank = 0;
std::fill_n(cparams_dft.n_layer_window, 32, 0);
cparams_dft.n_layer_window[0] = llama_n_layer(model_dft);
cparams_dft.n_gpu_layers = params.speculative.n_gpu_layers;
// the context is not needed - we will create one for each slot // the context is not needed - we will create one for each slot
llama_free(llama_init_dft.context); llama_free(llama_init_dft.context);
@ -785,10 +791,10 @@ struct server_context {
slot.ctx_dft = llama_new_context_with_model(model_dft, cparams_dft); slot.ctx_dft = llama_new_context_with_model(model_dft, cparams_dft);
if (llama_context_setup_backend(model, cparams_dft, slot.ctx_dft) == nullptr) { if (llama_context_setup_backend(model_dft, cparams_dft, slot.ctx_dft) == nullptr) {
SRV_ERR("%s: failed to setup context with model '%s'\n", __func__, params.model.c_str()); SRV_ERR("%s: failed to setup context with model '%s'\n", __func__, params.speculative.model.c_str());
llama_free(slot.ctx_dft); llama_free(slot.ctx_dft);
llama_free_model(model); llama_free_model(model_dft);
return; return;
} }