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Automatic detection of CPU capabilities

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This commit is contained in:
tevador
2019-10-08 23:09:35 +02:00
parent eda3603bf3
commit e0484dfb99
8 changed files with 232 additions and 28 deletions
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16
src/randomx.cpp
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@@ -33,11 +33,27 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "vm_compiled.hpp"
#include "vm_compiled_light.hpp"
#include "blake2/blake2.h"
#include "cpu.hpp"
#include <cassert>
#include <limits>
extern "C" {
randomx_flags randomx_get_flags() {
randomx_flags flags = RANDOMX_HAVE_COMPILER ? RANDOMX_FLAG_JIT : RANDOMX_FLAG_DEFAULT;
randomx::Cpu cpu;
if (cpu.hasAes()) {
flags |= RANDOMX_FLAG_HARD_AES;
}
if (randomx_argon2_impl_avx2() != nullptr && cpu.hasAvx2()) {
flags |= RANDOMX_FLAG_ARGON2_AVX2;
}
else if (randomx_argon2_impl_ssse3() != nullptr && cpu.hasSsse3()) {
flags |= RANDOMX_FLAG_ARGON2_SSSE3;
}
return flags;
}
randomx_cache *randomx_alloc_cache(randomx_flags flags) {
randomx_cache *cache = nullptr;