From b82181b9c59e9fd746eb5c4720b04b7abfad71a8 Mon Sep 17 00:00:00 2001
From: XMRig <support@xmrig.com>
Date: Thu, 8 Aug 2019 21:03:29 +0700
Subject: [PATCH] #1103 Added L2 checks for RandomX auto configuration.

---
 src/backend/cpu/platform/HwlocCpuInfo.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/backend/cpu/platform/HwlocCpuInfo.cpp b/src/backend/cpu/platform/HwlocCpuInfo.cpp
index 047c97e8..491305ec 100644
--- a/src/backend/cpu/platform/HwlocCpuInfo.cpp
+++ b/src/backend/cpu/platform/HwlocCpuInfo.cpp
@@ -289,6 +289,12 @@ void xmrig::HwlocCpuInfo::processTopLevelCache(hwloc_obj_t cache, const Algorith
     }
 #   endif
 
+#   ifdef XMRIG_ALGO_RANDOMX
+    if (extra == 0 && algorithm.l2() > 0) {
+        cacheHashes = std::min<size_t>(std::max<size_t>(L2 / algorithm.l2(), cores.size()), cacheHashes);
+    }
+#   endif
+
     if (cacheHashes >= PUs) {
         for (hwloc_obj_t core : cores) {
             const std::vector<hwloc_obj_t> units = findByType(core, HWLOC_OBJ_PU);