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Workaround for AMD CPUs https://github.com/anrieff/libcpuid/issues/97

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This commit is contained in:
XMRig 2017-05-24 18:50:24 +03:00
parent b145f14ad8
commit 583d892eb5
3 changed files with 12 additions and 5 deletions
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11
cpu.c
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@ -31,7 +31,6 @@
#endif
#include "cpu.h"
#include "utils/applog.h"
#ifndef BUILD_TEST
@ -47,9 +46,17 @@ void cpu_init_common() {
cpu_info.total_logical_cpus = data.total_logical_cpus;
cpu_info.sockets = data.total_logical_cpus / data.num_logical_cpus;
cpu_info.total_cores = data.num_cores * cpu_info.sockets;
cpu_info.l2_cache = data.l2_cache > 0 ? data.l2_cache * cpu_info.total_cores * cpu_info.sockets : 0;
cpu_info.l3_cache = data.l3_cache > 0 ? data.l3_cache * cpu_info.sockets : 0;
// Workaround for AMD CPUs https://github.com/anrieff/libcpuid/issues/97
if (data.vendor == VENDOR_AMD && data.l3_cache <= 0 && data.l2_assoc == 16 && data.ext_family >= 21) {
cpu_info.l2_cache = data.l2_cache * (cpu_info.total_cores / 2) * cpu_info.sockets;
}
else {
cpu_info.l2_cache = data.l2_cache > 0 ? data.l2_cache * cpu_info.total_cores * cpu_info.sockets : 0;
}
# ifdef __x86_64__
cpu_info.flags |= CPU_FLAG_X86_64;
# endif