diff --git a/build.py b/build.py
index cea3125..569a120 100755
--- a/build.py
+++ b/build.py
@@ -35,22 +35,22 @@
 
 def makefile(target, sources, flags, link_flags):
     flags = " ".join([flags.strip(), targets[target].get("cxx_flags", "").strip()])
-    # DO NOT replace tabs with spaces
-    # fmt: off
+# DO NOT replace tabs with spaces
+# fmt: off
     return f"""
 
 CXX = em++
 EXE = {target}
 
-CXX_FLAGS = {flags} -Isrc -pthread -msse -msse2 -mssse3 -msse4.1 -msimd128 -flto -fno-exceptions \\
+CXX_FLAGS = {flags} -Isrc -pthread -msimd128 -mavx -flto -fno-exceptions \\
 	-DUSE_POPCNT -DUSE_SSE2 -DUSE_SSSE3 -DUSE_SSE41 -DNO_PREFETCH -DNNUE_EMBEDDING_OFF
 
 LD_FLAGS = {link_flags} \\
-	--pre-js=../../src/initModule.js -sEXPORT_ES6 -sEXPORT_NAME={mod_name(target)} -sFILESYSTEM=0 \\
+	--pre-js=../../src/initModule.js -sEXIT_RUNTIME -sEXPORT_ES6 -sEXPORT_NAME={mod_name(target)} \\
 	-sEXPORTED_FUNCTIONS='[_malloc,_main]' -sEXPORTED_RUNTIME_METHODS='[stringToUTF8,UTF8ToString,HEAPU8]' \\
 	-sINCOMING_MODULE_JS_API='[locateFile,print,printErr,wasmMemory,buffer,instantiateWasm]' \\
 	-sINITIAL_MEMORY=64MB -sALLOW_MEMORY_GROWTH -sSTACK_SIZE=2MB -sSTRICT -sPROXY_TO_PTHREAD \\
-	-sALLOW_BLOCKING_ON_MAIN_THREAD=0 -sEXIT_RUNTIME -Wno-pthreads-mem-growth
+	-sALLOW_BLOCKING_ON_MAIN_THREAD=0 -Wno-pthreads-mem-growth
 
 SRCS = {sources}
 OBJS = $(addprefix src/, $(SRCS:.cpp=.o)) src/glue.o
diff --git a/src/glue.cpp b/src/glue.cpp
index bc085a9..b7bd47e 100644
--- a/src/glue.cpp
+++ b/src/glue.cpp
@@ -5,31 +5,10 @@
 #include "uci.h"
 #include "nnue/nnue_architecture.h"
 
-extern "C" {
-  EMSCRIPTEN_KEEPALIVE void uci(const char* utf8) { inQ.push(Command(utf8)); }
-
-  EMSCRIPTEN_KEEPALIVE void setNnueBuffer(char* buf, size_t sz, int index) {
-    inQ.push(Command(buf, sz, index));
-  }
-
-  EMSCRIPTEN_KEEPALIVE const char* getRecommendedNnue(int index) {
-    return get_nnue_name(index);
-  }
-}
-
-EMSCRIPTEN_KEEPALIVE std::string js_getline() {
-  auto cmd = inQ.pop();
-  if (cmd.type == cmd.UCI)
-    return cmd.uci;
-  else if (cmd.type == cmd.NNUE && cmd.ptr)
-    return load_nnue_cmd(cmd);
-  else
-    return "";
-}
-
 #if __has_include("nnue/evaluate_nnue.h") // single nnue
-  # include "nnue/evaluate_nnue.h"
-
+# include "nnue/evaluate_nnue.h"
+# define EvalFileDefaultNameSmall EvalFileDefaultName
+# define EvalFileDefaultNameBig EvalFileDefaultName
   const std::string load_nnue_cmd(Command& cmd) {
     std::istream in(&cmd);
     if (Stockfish::Eval::NNUE::load_eval("", in))
@@ -37,11 +16,6 @@ EMSCRIPTEN_KEEPALIVE std::string js_getline() {
     else std::cerr << "BAD_NNUE" << std::endl;
     return "setoption name Use NNUE value false";
   }
-
-  const char* get_nnue_name(int index) {
-    return EvalFileDefaultName;
-  }
-
 #else // big/little nnue
   extern Stockfish::UCIEngine* uci_global;
 
@@ -49,14 +23,10 @@ EMSCRIPTEN_KEEPALIVE std::string js_getline() {
     std::istream in(&cmd);
     if (cmd.index == 0) uci_global->engine.load_big_network(in);
     else if (cmd.index == 1) uci_global->engine.load_small_network(in);
-    else std::cerr << "BAD_NNUE " << cmd.index << std::endl;
+    //else std::cerr << "BAD_NNUE " << cmd.index << std::endl;
     return "";
   }
 
-  const char* get_nnue_name(int index) {
-    return index == 1 ? EvalFileDefaultNameSmall : EvalFileDefaultNameBig;
-  }
-
   namespace Stockfish::Tablebases {
     Config rank_root_moves(const OptionsMap& o, Position& p, Search::RootMoves& rM, bool rankDTZ) {
       return Config();
@@ -64,7 +34,30 @@ EMSCRIPTEN_KEEPALIVE std::string js_getline() {
   }
 #endif
 
-// stubs for tbprobe.cpp (so we don't need -sALLOW_UNIMPLEMENTED_SYSCALLS)
+CommandQueue inQ;
+
+extern "C" {
+  EMSCRIPTEN_KEEPALIVE void uci(const char* utf8) { inQ.push(Command(utf8)); }
+
+  EMSCRIPTEN_KEEPALIVE void setNnueBuffer(char* buf, size_t sz, int index) {
+    inQ.push(Command(buf, sz, index));
+  }
+
+  EMSCRIPTEN_KEEPALIVE const char* getRecommendedNnue(int index) {
+    return index == 1 ? EvalFileDefaultNameSmall : EvalFileDefaultNameBig;
+  }
+}
+
+EMSCRIPTEN_KEEPALIVE std::string js_getline() {
+  auto cmd = inQ.pop();
+  if (cmd.type == cmd.UCI)
+    return cmd.uci;
+  else if (cmd.type == cmd.NNUE && cmd.ptr)
+    return load_nnue_cmd(cmd);
+  else
+    return "";
+}
+
 namespace Stockfish::Tablebases {
   int MaxCardinality = 0;
   void init(const std::string& paths) {}
diff --git a/src/glue.hpp b/src/glue.hpp
index 3b6d552..6d41ec4 100644
--- a/src/glue.hpp
+++ b/src/glue.hpp
@@ -20,7 +20,7 @@ struct Command : public std::streambuf {
   using std::streambuf::seekpos;
 };
 
-struct {
+struct CommandQueue {
   std::mutex m;
   std::queue<Command> q;
   std::condition_variable cv;
@@ -39,7 +39,4 @@ struct {
     q.pop();
     return el;
   }
-} inQ;
-
-const char* get_nnue_name(int index);
-const std::string load_nnue_cmd(Command& cmd);
+};