From 7f1a7197f32364cf9020fe1ed9d40f4f16a80739 Mon Sep 17 00:00:00 2001
From: Xe Iaso <me@xeiaso.net>
Date: Tue, 30 Sep 2025 14:39:56 +0000
Subject: [PATCH] fix(wasm): use interpreter on aarch64 for now

Signed-off-by: Xe Iaso <me@xeiaso.net>
---
 wasm/wasm.go      | 14 +++++++++++++-
 wasm/wasm_test.go |  8 ++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/wasm/wasm.go b/wasm/wasm.go
index 9a5d9058..fe6a27a5 100644
--- a/wasm/wasm.go
+++ b/wasm/wasm.go
@@ -7,6 +7,7 @@ import (
 	"io"
 	"math"
 	"os"
+	"runtime"
 	"strconv"
 	"sync"
 	"time"
@@ -45,7 +46,18 @@ func NewRunner(ctx context.Context, fname string, fin io.ReadCloser) (*Runner, e
 		return nil, fmt.Errorf("wasm: can't read from fin: %w", err)
 	}
 
-	r := wazero.NewRuntime(ctx)
+	var cfg wazero.RuntimeConfig
+
+	switch runtime.GOARCH {
+	case "amd64":
+		cfg = wazero.NewRuntimeConfigCompiler()
+	default:
+		cfg = wazero.NewRuntimeConfigInterpreter()
+	}
+
+	cfg = cfg.WithMemoryLimitPages(512)
+
+	r := wazero.NewRuntimeWithConfig(ctx, cfg)
 
 	_, err = r.NewHostModuleBuilder("anubis").
 		NewFunctionBuilder().
diff --git a/wasm/wasm_test.go b/wasm/wasm_test.go
index f1409f3f..03639ae9 100644
--- a/wasm/wasm_test.go
+++ b/wasm/wasm_test.go
@@ -5,6 +5,7 @@ import (
 	"crypto/sha256"
 	"fmt"
 	"io/fs"
+	"path/filepath"
 	"testing"
 	"time"
 
@@ -58,6 +59,9 @@ func TestAlgos(t *testing.T) {
 
 	for _, kind := range []string{"baseline", "simd128"} {
 		for _, fname := range fnames {
+			if filepath.Ext(fname.Name()) != ".wasm" {
+				continue
+			}
 			t.Run(kind+"/"+fname.Name(), func(t *testing.T) {
 				abiTest(t, kind, fname.Name(), 16)
 			})
@@ -139,6 +143,10 @@ func BenchmarkValidate(b *testing.B) {
 			difficulty = 16
 		}
 
+		if filepath.Ext(fname) != ".wasm" {
+			continue
+		}
+
 		b.Run(fname, func(b *testing.B) {
 			fin, err := web.Static.Open("static/wasm/simd128/" + fname)
 			if err != nil {