[DNM] Some absolute insanity performance hacks (#27204)

* Some absolute insanity performance hacks

* Ok NOW its getting weird

* Adds a way of verifying if this is working

* Lets see how this goes

* Build Rust library

---------

Co-authored-by: paradisess13[bot] <165046124+paradisess13[bot]@users.noreply.github.com>

.github/CODEOWNERS

@@ -24,6 +24,7 @@ _build_dependencies.sh @AffectedArc07
 # Executables that need to be security-cleared
 dreamchecker.exe @AffectedArc07
 rustlibs.dll @AffectedArc07
+rustlibs_prod.dll @AffectedArc07
 rust_g.dll @AffectedArc07
 
 ### S34NW

.github/workflows/build_rust.yml

@@ -82,6 +82,10 @@ jobs:
           cp target/i686-unknown-linux-gnu/release/librustlibs.so ../tools/ci/librustlibs_ci.so
           cp target/i686-pc-windows-gnu/release/rustlibs.dll ../rustlibs.dll
 
+          # Build the para-specific version
+          RUSTFLAGS='-C target-cpu=raptorlake' cargo build --release --target=i686-pc-windows-gnu
+          cp target/i686-pc-windows-gnu/release/rustlibs.dll ../rustlibs_prod.dll
+
           git commit -a -m "Build Rust library" --allow-empty
           git push origin
 

code/__DEFINES/rust.dm

@@ -8,6 +8,15 @@
 
 /* This comment bypasses grep checks */ /var/__rustlib
 
+// IF we are on the production box, use a dll that has 0 compatibility of working with normal people's CPUs
+// This works by allowing rust to compile with modern x86 instructionns, instead of compiling for a pentium 4
+// This has the potential for significant speed upgrades with SIMD and similar
+#ifdef PARADISE_PRODUCTION_HARDWARE
+#define RUSTLIBS_SUFFIX "_prod"
+#else
+#define RUSTLIBS_SUFFIX ""
+#endif
+
 /proc/__detect_rustlib()
 	if(world.system_type == UNIX)
 #ifdef CIBUILDING
@@ -16,27 +25,34 @@
 			return __rustlib = "tools/ci/librustlibs_ci.so"
 #endif
 		// First check if it's built in the usual place.
-		if(fexists("./rust/target/i686-unknown-linux-gnu/release/librustlibs.so"))
-			return __rustlib = "./rust/target/i686-unknown-linux-gnu/release/librustlibs.so"
+		if(fexists("./rust/target/i686-unknown-linux-gnu/release/librustlibs[RUSTLIBS_SUFFIX].so"))
+			return __rustlib = "./rust/target/i686-unknown-linux-gnu/release/librustlibs[RUSTLIBS_SUFFIX].so"
 		// Then check in the current directory.
-		if(fexists("./librustlibs.so"))
-			return __rustlib = "./librustlibs.so"
+		if(fexists("./librustlibs[RUSTLIBS_SUFFIX].so"))
+			return __rustlib = "./librustlibs[RUSTLIBS_SUFFIX].so"
 		// And elsewhere.
-		return __rustlib = "librustlibs.so"
+		return __rustlib = "librustlibs[RUSTLIBS_SUFFIX].so"
 	else
 		// First check if it's built in the usual place.
-		if(fexists("./rust/target/i686-pc-windows-msvc/release/rustlibs.dll"))
-			return __rustlib = "./rust/target/i686-pc-windows-msvc/release/rustlibs.dll"
+		if(fexists("./rust/target/i686-pc-windows-msvc/release/rustlibs[RUSTLIBS_SUFFIX].dll"))
+			return __rustlib = "./rust/target/i686-pc-windows-msvc/release/rustlibs[RUSTLIBS_SUFFIX].dll"
 		// Then check in the current directory.
-		if(fexists("./rustlibs.dll"))
-			return __rustlib = "./rustlibs.dll"
+		if(fexists("./rustlibs[RUSTLIBS_SUFFIX].dll"))
+			return __rustlib = "./rustlibs[RUSTLIBS_SUFFIX].dll"
+
 		// And elsewhere.
-		return __rustlib = "rustlibs.dll"
+		var/assignment_confirmed = (__rustlib = "rustlibs[RUSTLIBS_SUFFIX].dll")
+		// This being spanned over multiple lines is kinda scuffed, but its needed because of https://www.byond.com/forum/post/2072419
+		return assignment_confirmed
+
 
 #define RUSTLIB (__rustlib || __detect_rustlib())
 
 #define RUSTLIB_CALL(func, args...) call_ext(RUSTLIB, "byond:[#func]_ffi")(args)
 
+// This needs to go BELOW the above define, otherwise the BYOND compiler can make the above immediate call disappear
+#undef RUSTLIBS_SUFFIX
+
 /proc/milla_init_z(z)
 	return RUSTLIB_CALL(milla_initialize, z)
 

code/datums/revision.dm

@@ -91,6 +91,11 @@ GLOBAL_PROTECT(revision_info) // Dont mess with this
 	msg += "<span class='notice'><b>Server Revision Info</b></span>"
 	// Round ID first
 	msg += "<b>Round ID:</b> [GLOB.round_id ? GLOB.round_id : "NULL"]"
+	#ifdef PARADISE_PRODUCTION_HARDWARE
+	msg += "<b>Production-hardware specific compile:</b> Yes"
+	#else
+	msg += "<b>Production-hardware specific compile:</b> No"
+	#endif
 
 	// Commit info
 	if(GLOB.revision_info.commit_hash && GLOB.revision_info.commit_date && GLOB.configuration.url.github_url)