From 94aae2832e640b180c4e3118e12ef9fac8cad86e Mon Sep 17 00:00:00 2001
From: Joey Riches <josephriches@gmail.com>
Date: Mon, 27 Feb 2023 10:41:34 +0000
Subject: [PATCH] mason/emitter: emit pkgs in parallel

Quick n' Dirty Benchmarks
glibc : 28s -> 8s
curl  : 1.17s -> 668ms
nano  : 451ms -> 311ms

Sub task of #41.
---
 source/mason/build/emitter.d | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/source/mason/build/emitter.d b/source/mason/build/emitter.d
index ed698dbf8d..486c8cbcfc 100644
--- a/source/mason/build/emitter.d
+++ b/source/mason/build/emitter.d
@@ -69,8 +69,13 @@ public class BuildEmitter
     void emit(const(string) outputDirectory, Analyser analyser) @system
     {
         import std.algorithm : each;
+        import std.parallelism : parallel;
+
+        foreach(p; packages.values.parallel)
+        {
+            emitPackage(outputDirectory, p, analyser);
+        }
 
-        packages.values.each!((p) => emitPackage(outputDirectory, p, analyser));
         binaryManifest.write();
         jsonManifest.write();
     }