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GC parameters encoded as floating-point bytes

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This encoding brings more precision and a larger range for these
parameters.
This commit is contained in:
Roberto Ierusalimschy
2023-12-20 16:25:20 -03:00
parent 666e95a66d
commit ad0ea7813b
8 changed files with 113 additions and 57 deletions
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33
ltests.c
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@@ -1033,16 +1033,35 @@ static int table_query (lua_State *L) {
}
static int query_inc (lua_State *L) {
static int query_GCparams (lua_State *L) {
global_State *g = G(L);
lua_pushinteger(L, gettotalobjs(g));
lua_pushinteger(L, g->GCdebt);
lua_pushinteger(L, applygcparam(g, gcpause, 100));
lua_pushinteger(L, applygcparam(g, gcstepmul, 100));
lua_pushinteger(L, cast(l_obj, 1) << g->gcstepsize);
return 5;
lua_pushinteger(L, luaO_applyparam(g->gcpgenminormul, 100));
lua_pushinteger(L, luaO_applyparam(g->gcpmajorminor, 100));
lua_pushinteger(L, luaO_applyparam(g->gcpminormajor, 100));
lua_pushinteger(L, luaO_applyparam(g->gcppause, 100));
lua_pushinteger(L, luaO_applyparam(g->gcpstepmul, 100));
lua_pushinteger(L, luaO_applyparam(g->gcpstepsize, 100));
return 8;
}
static int test_codeparam (lua_State *L) {
lua_Integer p = luaL_checkinteger(L, 1);
lua_pushinteger(L, luaO_codeparam(p));
return 1;
}
static int test_applyparam (lua_State *L) {
lua_Integer p = luaL_checkinteger(L, 1);
lua_Integer x = luaL_checkinteger(L, 2);
lua_pushinteger(L, luaO_applyparam(p, x));
return 1;
}
static int string_query (lua_State *L) {
stringtable *tb = &G(L)->strt;
int s = cast_int(luaL_optinteger(L, 1, 0)) - 1;
@@ -1974,7 +1993,9 @@ static const struct luaL_Reg tests_funcs[] = {
{"pushuserdata", pushuserdata},
{"querystr", string_query},
{"querytab", table_query},
{"queryinc", query_inc},
{"queryGCparams", query_GCparams},
{"codeparam", test_codeparam},
{"applyparam", test_applyparam},
{"ref", tref},
{"resume", coresume},
{"s2d", s2d},