server : enable -td and -tbd parameters (ggml-org#15172)

Author: CISC

common/arg.cpp

@@ -3163,7 +3163,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
                 params.speculative.cpuparams.n_threads = std::thread::hardware_concurrency();
             }
         }
-    ).set_examples({LLAMA_EXAMPLE_SPECULATIVE}));
+    ).set_examples({LLAMA_EXAMPLE_SPECULATIVE, LLAMA_EXAMPLE_SERVER}));
     add_opt(common_arg(
         {"-tbd", "--threads-batch-draft"}, "N",
         "number of threads to use during batch and prompt processing (default: same as --threads-draft)",
@@ -3173,7 +3173,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
                 params.speculative.cpuparams_batch.n_threads = std::thread::hardware_concurrency();
             }
         }
-    ).set_examples({LLAMA_EXAMPLE_SPECULATIVE}));
+    ).set_examples({LLAMA_EXAMPLE_SPECULATIVE, LLAMA_EXAMPLE_SERVER}));
     add_opt(common_arg(
         {"-Cd", "--cpu-mask-draft"}, "M",
         "Draft model CPU affinity mask. Complements cpu-range-draft (default: same as --cpu-mask)",

tools/server/server.cpp

@@ -2015,6 +2015,8 @@ struct server_context {
             params_dft.cache_type_k = params_base.speculative.cache_type_k;
             params_dft.cache_type_v = params_base.speculative.cache_type_v;
 
+            params_dft.cpuparams.n_threads = params_base.speculative.cpuparams.n_threads;
+            params_dft.cpuparams_batch.n_threads = params_base.speculative.cpuparams_batch.n_threads;
             params_dft.tensor_buft_overrides = params_base.speculative.tensor_buft_overrides;
 
             llama_init_dft = common_init_from_params(params_dft);