From ac923b5232321c856ca1f2f6051364ec2a0d5fc7 Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Thu, 7 Jan 2021 15:50:28 +1000
Subject: [PATCH] cap pylint CPUs in qt/

After 4 cores, improvements are tiny, and soon start going backwards,
presumably due to the overhead of importing PyQt into each worker.
---
 qt/tests/run_pylint.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/qt/tests/run_pylint.py b/qt/tests/run_pylint.py
index 75daa0a24..6c2ec81ec 100644
--- a/qt/tests/run_pylint.py
+++ b/qt/tests/run_pylint.py
@@ -2,6 +2,7 @@ import os
 import subprocess
 import sys
 import PyQt5
+import multiprocessing
 
 from pylint.lint import Run
 
@@ -15,7 +16,7 @@ if __name__ == "__main__":
             "--rcfile",
             ini,
             "-j",
-            "0",
+            str(min(4, multiprocessing.cpu_count())),
             "-v",
         ]
     )