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Add Java25 information to performance page #2

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SubordinalBlue merged 1 commit into from
Oct 22, 2025
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Add Java25 information to performance page #2

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13 changes: 9 additions & 4 deletions docs/performance.md
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Expand Up @@ -23,7 +23,7 @@ _Adoptium_ is nice; really, any OpenJDK build provider should be fine.

| AOE Pack | Minecraft version | Java version (tied to MC version) |
|:-:|:-:|-|
| ***Craftoria*** | 1.21 | Java21 |
| ***Craftoria*** | 1.21 | Java21 (runs better on Java25) |
| **AOF 7** | 1.20 | Java17 (runs better on Java21) |
| **AOF 6** | 1.19 | Java17 |
| **AOF 5** | 1.18 | Java17 |
Expand All @@ -38,11 +38,16 @@ Around 6–8GB should work well for any AOE modpacks.

| AOE Mod Pack | Java Args for Client |
|:--------------:|--------------------------------|
| ***Craftoria***|`-XX:+UseZGC -XX:+ZGenerational`|
| ***Craftoria***|`-XX:+UseZGC -XX:+ZGenerational` (or, with Java25: `-XX:+UseZGC -XX:+UseCompactObjectHeaders` )|
| **AOF 7** |`-XX:+UseZGC -XX:+ZGenerational`, with Java21|

These args do the following:
- `-XX:+UseZGC`: Enables the Z Garbage Collector
- `-XX:+ZGenerational`: Enables Generational Mode for ZGC - not needed on Java25, as it is now default
- `-XX:+UseCompactObjectHeaders`: Changes how the JVM stores objects in RAM, reducing memory usage (requires Java25)

#### For Servers

On a server GC through-put may be more valuable than latency—which the default `G1GC` garbage-collector will deliver.
On a server GC through-put may be more valuable than latency—which the default `G1GC` garbage-collector will deliver. It is recommended to add its arg, `-XX:+UseG1GC`, for redundancy's sake.

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