From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Thu, 24 Nov 2022 01:19:12 +0100
Subject: [PATCH] SIMD support

License: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)
Gale - https://galemc.org

This patch is based on the following patch:
"Add SIMD utilities"
By: Kevin Raneri <kevin.raneri@gmail.com>
As part of: Pufferfish (https://github.com/pufferfish-gg/Pufferfish)
Licensed under: GPL-3.0 (https://www.gnu.org/licenses/gpl-3.0.html)

diff --git a/src/main/java/com/destroystokyo/paper/Metrics.java b/src/main/java/com/destroystokyo/paper/Metrics.java
index c9c7590a5635d966a0ca262ed5985714d9e66598..c0255b4493cfcdd4b89f4002b731adaf57422f61 100644
--- a/src/main/java/com/destroystokyo/paper/Metrics.java
+++ b/src/main/java/com/destroystokyo/paper/Metrics.java
@@ -936,6 +936,40 @@ public class Metrics {
                 metrics.addCustomChart(new Metrics.DrilldownPie("gale_semantic_version", () -> semanticVersionMap));
                 // Gale end - semantic version - include in metrics
 
+                // Gale start - SIMD support - include in metrics
+                Map<String, Map<String, Integer>> simdSupportMap = new HashMap<>(2); // Empty until initialized
+                metrics.addCustomChart(new Metrics.DrilldownPie("simd_support", () -> {
+                    if (!gg.pufferfish.pufferfish.simd.SIMDDetection.isInitialized()) {
+                        return null;
+                    }
+                    if (simdSupportMap.isEmpty()) {
+                        // Initialize
+                        boolean isEnabled = gg.pufferfish.pufferfish.simd.SIMDDetection.isEnabled();
+
+                        // use details as lower dimension
+                        Map<String, Integer> entry = new HashMap<>(2);
+                        String details;
+                        if (isEnabled) {
+                            details = "int " + gg.pufferfish.pufferfish.simd.SIMDDetection.intVectorBitSize() + "*" + gg.pufferfish.pufferfish.simd.SIMDDetection.intElementSize() + ", float " + gg.pufferfish.pufferfish.simd.SIMDDetection.floatVectorBitSize() + "*" + gg.pufferfish.pufferfish.simd.SIMDDetection.floatElementSize();
+                        } else {
+                            if (!gg.pufferfish.pufferfish.simd.SIMDDetection.testRunCompleted()) {
+                                details = "test failed";
+                            } else if (gg.pufferfish.pufferfish.simd.SIMDDetection.unsupportingLaneSize()) {
+                                details = "no supporting lane size";
+                            } else {
+                                details = "other reason";
+                            }
+                        }
+                        entry.put(details, 1);
+
+                        // use enabled or not as higher dimension
+                        simdSupportMap.put(String.valueOf(isEnabled), entry);
+
+                    }
+                    return simdSupportMap;
+                }));
+                // Gale end - SIMD support - include in metrics
+
             }
 
         }