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Faster sequencing of futures for chunk structure gen

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Dreeam
2024-01-14 06:17:33 -05:00
parent e12f25b099
commit eec74bcc66
1 changed files with 27 additions and 0 deletions
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patches/server/0046-Faster-sequencing-of-futures-for-chunk-structure-gen.patch Normal file
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@@ -0,0 +1,27 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Dreeam <61569423+Dreeam-qwq@users.noreply.github.com>
Date: Tue, 2 Jan 2024 21:13:53 -0500
Subject: [PATCH] Faster sequencing of futures for chunk structure gen
Replace `thenApply` with `thenCompose`. Once one task is completed then the next task starts immediately,
to prevent blocking threads while waiting to complete all tasks
diff --git a/src/main/java/net/minecraft/Util.java b/src/main/java/net/minecraft/Util.java
index 22dfe70df68b35e313f94b17a87e4121392b17b4..8fc746ec89eb8052e723227eac890407d9b34938 100644
--- a/src/main/java/net/minecraft/Util.java
+++ b/src/main/java/net/minecraft/Util.java
@@ -412,9 +412,11 @@ public class Util {
return futures.get(0).thenApply(List::of);
} else {
CompletableFuture<Void> completableFuture = CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]));
- return completableFuture.thenApply((void_) -> {
- return futures.stream().map(CompletableFuture::join).toList();
- });
+ // Leaf start - Faster sequencing of futures for chunk structure gen
+ return completableFuture.thenCompose((void_) ->
+ CompletableFuture.supplyAsync(() ->
+ futures.stream().map(CompletableFuture::join).toList()));
+ // Leaf end
}
}