From c9dbabdd3aa9e07a8b9a2e01e425eda2bbcfa925 Mon Sep 17 00:00:00 2001
From: Porterlu <1258210724@qq.com>
Date: Tue, 13 Aug 2024 14:43:36 +0800
Subject: [PATCH] [rocketemu] use 4 threads

---
 rocketemu/nix/verilated-csrc.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rocketemu/nix/verilated-csrc.nix b/rocketemu/nix/verilated-csrc.nix
index f32ade7af6..dd4c7c373a 100644
--- a/rocketemu/nix/verilated-csrc.nix
+++ b/rocketemu/nix/verilated-csrc.nix
@@ -38,8 +38,8 @@ stdenv.mkDerivation {
       -I"$rocketChipVSrc" \
       ${lib.optionalString enable-trace "--trace-fst"} \
       --timing \
-      --threads 8 \
-      --threads-max-mtasks 8000 \
+      --threads 4 \
+      --threads-max-mtasks 4000 \
       -O1 \
       -Wno-WIDTHEXPAND \
       -Wno-LATCH \