Merge commit 'df270ef74596da8f1178f08991f4c51f18c9ee82' into concedo_experimental

# Conflicts:
#	Makefile
#	common/CMakeLists.txt
#	common/common.h
#	common/sampling.cpp
#	common/sampling.h
#	examples/infill/infill.cpp
#	examples/llama-bench/llama-bench.cpp
#	examples/quantize-stats/quantize-stats.cpp
#	examples/server/server.cpp
#	include/llama.h
#	src/llama-sampling.cpp
#	src/llama-sampling.h
#	src/llama.cpp
#	tests/test-grammar-integration.cpp
#	tests/test-grammar-parser.cpp
#	tests/test-json-schema-to-grammar.cpp
#	tests/test-llama-grammar.cpp
#	tests/test-sampling.cpp

examples/perplexity/perplexity.cpp

@@ -77,7 +77,7 @@ static void write_logfile(
     fprintf(logfile, "ppl_value: %f\n", results.ppl_value);
     yaml_dump_vector_float(logfile, "probs", results.probs);
 
-    llama_dump_timing_info_yaml(logfile, ctx);
+    llama_perf_dump_yaml(logfile, ctx);
     fclose(logfile);
 }
 
@@ -2008,13 +2008,7 @@ int main(int argc, char ** argv) {
 
     print_build_info();
 
-    if (params.seed == LLAMA_DEFAULT_SEED) {
-        params.seed = time(NULL);
-    }
-
-    fprintf(stderr, "%s: seed  = %u\n", __func__, params.seed);
-
-    std::mt19937 rng(params.seed);
+    LOG_TEE("%s: seed = %u\n", __func__, params.sparams.seed);
 
     llama_backend_init();
     llama_numa_init(params.numa);
@@ -2055,7 +2049,8 @@ int main(int argc, char ** argv) {
         results = perplexity(ctx, params, n_ctx);
     }
 
-    llama_print_timings(ctx);
+    LOG_TEE("\n");
+    llama_perf_print(ctx, LLAMA_PERF_TYPE_CONTEXT);
     write_logfile(ctx, params, model, results);
 
     llama_free(ctx);