Commit 6bd1f51

and

committed

variable.c: reduce IV_INITIAL_SIZE from 4 to 2

saves 40% memory (60 -> 36 bytes) for objects with 1-2 instance variables, which is common for simple value objects like Point(@x, @y). the trade-off is one extra reallocation when growing from 2 to 4 IVs, but this is negligible since reallocations are rare compared to lookups. Co-authored-by: Claude <noreply@anthropic.com>

1 file changed

Lines changed: 1 addition & 1 deletion

File tree

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -37,7 +37,7 @@ iv_new(mrb_state *mrb)`
`37`	`37`
`38`	`38`	`static void iv_put(mrb_state mrb, iv_tbl t, mrb_sym sym, mrb_value val);`
`39`	`39`
`40`		`-#define IV_INITIAL_SIZE 4`
	`40`	`+#define IV_INITIAL_SIZE 2`
`41`	`41`
`42`	`42`	`static void`
`43`	`43`	`iv_rehash(mrb_state mrb, iv_tbl t)`