diff options
| -rw-r--r-- | applause.c | 14 | ||||
| -rw-r--r-- | applause.lua | 5 |
2 files changed, 19 insertions, 0 deletions
@@ -638,6 +638,20 @@ do_command(lua_State *L, const char *command) int stack_top; char *buffer; + /* + * EXPERIMENTAL: I found that performance decreases + * progressively when running one and the same command. + * This is probably because the limited space for the + * compiled code gets filled up rapidly and LuaJIT + * resorts to using the interpreter. + * This flashes the entire code cache for every + * new command and improves matters. + * TODO: It would probably be a good idea to increase the + * total size of the code cache and give some indication + * of its usage (e.g. in the prompt). + */ + luaJIT_setmode(L, 0, LUAJIT_MODE_ENGINE | LUAJIT_MODE_FLUSH); + /* the error hanlder function for lua_pcall() */ lua_pushcfunction(L, traceback); diff --git a/applause.lua b/applause.lua index 5fe77e4..dd1d78f 100644 --- a/applause.lua +++ b/applause.lua @@ -400,6 +400,11 @@ function Stream:play() -- Perform garbage collection cycle and turn it off -- temporarily. This improves the realtime properties -- of the sample generation loop below. + -- FIXME: Since stopping the garbage collector here + -- (in the Lua/C code this did not happen!?), memory + -- consumption increases constantly. Perhaps it is a + -- good idea to tweak garbage collection during the + -- generator loop. collectgarbage("collect") collectgarbage("stop") |