From a78196c5d7e0778b9dab394161b0e0a282836f4f Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Sat, 12 Sep 2026 14:36:05 +0200 Subject: [PATCH 1/2] Only change the blocksize for AMD server if coretype was not overridden by the user --- kernel/setparam-ref.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/kernel/setparam-ref.c b/kernel/setparam-ref.c index 2ec0694c74..30dfd68d7e 100644 --- a/kernel/setparam-ref.c +++ b/kernel/setparam-ref.c @@ -2119,7 +2119,8 @@ static void init_parameter(void) { cpuid(0, &eax, &ebx, &ecx, &edx); if ((ebx == 0x68747541) && (l3_kb > 0) && (l3_kb % 32768 == 0) && (l2_kb == 1024)) { //Auth AMD - + if (strcmp(gotoblas_corename(), "cooperlake") == 0 || strcmp(gotoblas_corename(), "skylakex") == 0 || strcmp(gotoblas_corename(), "sapphirerapids") == 0) { + cpuid(7, &cpuid7_eax, &cpuid7_ebx, &cpuid7_ecx, &cpuid7_edx); if (cpuid7_ebx & (1 << 16)) { // avx512 - Zen 4, 5 @@ -2141,6 +2142,7 @@ static void init_parameter(void) { #endif } } + } } #endif From 0302a537b86eb1fff00ade38a1b14f62c28d68c2 Mon Sep 17 00:00:00 2001 From: Martin Kroeker Date: Sat, 12 Sep 2026 15:04:07 +0200 Subject: [PATCH 2/2] Declare openblas_corename --- kernel/setparam-ref.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/setparam-ref.c b/kernel/setparam-ref.c index 30dfd68d7e..a38f25a679 100644 --- a/kernel/setparam-ref.c +++ b/kernel/setparam-ref.c @@ -40,6 +40,7 @@ #include #include #include "common.h" +extern char* gotoblas_corename(void); #ifdef BUILD_KERNEL #include "kernelTS.h"