Restore libcpuid support.

CMakeLists.txt

@@ -68,11 +68,11 @@ if (WIN32)
 endif()
 
 if (WITH_LIBCPUID)
-#    add_subdirectory(compat/libcpuid)
+    add_subdirectory(src/3rdparty/libcpuid)
 
-#    include_directories(compat/libcpuid)
-#    set(CPUID_LIB cpuid)
-#    set(SOURCES_CPUID cpu.c)
+    include_directories(src/3rdparty/libcpuid)
+    set(CPUID_LIB cpuid)
+    set(SOURCES_CPUID src/Cpu.cpp)
 else()
     add_definitions(/DXMRIG_NO_LIBCPUID)
     set(SOURCES_CPUID src/Cpu_stub.cpp)
@@ -86,4 +86,4 @@ include_directories(${UV_INCLUDE_DIR})
 add_subdirectory(src/3rdparty/jansson)
 
 add_executable(xmrig ${HEADERS} ${SOURCES} ${SOURCES_OS} ${SOURCES_CPUID})
-target_link_libraries(xmrig jansson ${UV_LIBRARIES} ${EXTRA_LIBS})
+target_link_libraries(xmrig jansson ${UV_LIBRARIES} ${EXTRA_LIBS} ${CPUID_LIB})

src/3rdparty/libcpuid/CMakeLists.txt

@@ -3,6 +3,8 @@ project (cpuid C)
 
 add_definitions(/DVERSION="0.4.0")
 
+set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Os")
+
 set(HEADERS
     libcpuid.h
     libcpuid_types.h

src/3rdparty/libcpuid/cpuid_main.c

@@ -401,6 +401,107 @@ int cpuid_get_raw_data(struct cpu_raw_data_t* data)
 	return set_error(ERR_OK);
 }
 
+int cpuid_serialize_raw_data(struct cpu_raw_data_t* data, const char* filename)
+{
+	int i;
+	FILE *f;
+	
+	if (!strcmp(filename, ""))
+		f = stdout;
+	else
+		f = fopen(filename, "wt");
+	if (!f) return set_error(ERR_OPEN);
+	
+	fprintf(f, "version=%s\n", VERSION);
+	for (i = 0; i < MAX_CPUID_LEVEL; i++)
+		fprintf(f, "basic_cpuid[%d]=%08x %08x %08x %08x\n", i,
+			data->basic_cpuid[i][0], data->basic_cpuid[i][1],
+			data->basic_cpuid[i][2], data->basic_cpuid[i][3]);
+	for (i = 0; i < MAX_EXT_CPUID_LEVEL; i++)
+		fprintf(f, "ext_cpuid[%d]=%08x %08x %08x %08x\n", i,
+			data->ext_cpuid[i][0], data->ext_cpuid[i][1],
+			data->ext_cpuid[i][2], data->ext_cpuid[i][3]);
+	for (i = 0; i < MAX_INTELFN4_LEVEL; i++)
+		fprintf(f, "intel_fn4[%d]=%08x %08x %08x %08x\n", i,
+			data->intel_fn4[i][0], data->intel_fn4[i][1],
+			data->intel_fn4[i][2], data->intel_fn4[i][3]);
+	for (i = 0; i < MAX_INTELFN11_LEVEL; i++)
+		fprintf(f, "intel_fn11[%d]=%08x %08x %08x %08x\n", i,
+			data->intel_fn11[i][0], data->intel_fn11[i][1],
+			data->intel_fn11[i][2], data->intel_fn11[i][3]);
+	for (i = 0; i < MAX_INTELFN12H_LEVEL; i++)
+		fprintf(f, "intel_fn12h[%d]=%08x %08x %08x %08x\n", i,
+			data->intel_fn12h[i][0], data->intel_fn12h[i][1],
+			data->intel_fn12h[i][2], data->intel_fn12h[i][3]);
+	for (i = 0; i < MAX_INTELFN14H_LEVEL; i++)
+		fprintf(f, "intel_fn14h[%d]=%08x %08x %08x %08x\n", i,
+			data->intel_fn14h[i][0], data->intel_fn14h[i][1],
+			data->intel_fn14h[i][2], data->intel_fn14h[i][3]);
+	
+	if (strcmp(filename, ""))
+		fclose(f);
+	return set_error(ERR_OK);
+}
+
+int cpuid_deserialize_raw_data(struct cpu_raw_data_t* data, const char* filename)
+{
+	int i, len;
+	char line[100];
+	char token[100];
+	char *value;
+	int syntax;
+	int cur_line = 0;
+	int recognized;
+	FILE *f;
+	
+	raw_data_t_constructor(data);
+	
+	if (!strcmp(filename, ""))
+		f = stdin;
+	else
+		f = fopen(filename, "rt");
+	if (!f) return set_error(ERR_OPEN);
+	while (fgets(line, sizeof(line), f)) {
+		++cur_line;
+		len = (int) strlen(line);
+		if (len < 2) continue;
+		if (line[len - 1] == '\n')
+			line[--len] = '\0';
+		for (i = 0; i < len && line[i] != '='; i++)
+		if (i >= len && i < 1 && len - i - 1 <= 0) {
+			fclose(f);
+			return set_error(ERR_BADFMT);
+		}
+		strncpy(token, line, i);
+		token[i] = '\0';
+		value = &line[i + 1];
+		/* try to recognize the line */
+		recognized = 0;
+		if (!strcmp(token, "version") || !strcmp(token, "build_date")) {
+			recognized = 1;
+		}
+		syntax = 1;
+		syntax = syntax && parse_token("basic_cpuid", token, value, data->basic_cpuid,   MAX_CPUID_LEVEL, &recognized);
+		syntax = syntax && parse_token("ext_cpuid", token, value, data->ext_cpuid,       MAX_EXT_CPUID_LEVEL, &recognized);
+		syntax = syntax && parse_token("intel_fn4", token, value, data->intel_fn4,       MAX_INTELFN4_LEVEL, &recognized);
+		syntax = syntax && parse_token("intel_fn11", token, value, data->intel_fn11,     MAX_INTELFN11_LEVEL, &recognized);
+		syntax = syntax && parse_token("intel_fn12h", token, value, data->intel_fn12h,   MAX_INTELFN12H_LEVEL, &recognized);
+		syntax = syntax && parse_token("intel_fn14h", token, value, data->intel_fn14h,   MAX_INTELFN14H_LEVEL, &recognized);
+		if (!syntax) {
+			warnf("Error: %s:%d: Syntax error\n", filename, cur_line);
+			fclose(f);
+			return set_error(ERR_BADFMT);
+		}
+		if (!recognized) {
+			warnf("Warning: %s:%d not understood!\n", filename, cur_line);
+		}
+	}
+	
+	if (strcmp(filename, ""))
+		fclose(f);
+	return set_error(ERR_OK);
+}
+
 int cpu_ident_internal(struct cpu_raw_data_t* raw, struct cpu_id_t* data, struct internal_id_info_t* internal)
 {
 	int r;
@@ -432,7 +533,239 @@ int cpu_identify(struct cpu_raw_data_t* raw, struct cpu_id_t* data)
 	return cpu_ident_internal(raw, data, &throwaway);
 }
 
+const char* cpu_feature_str(cpu_feature_t feature)
+{
+	const struct { cpu_feature_t feature; const char* name; }
+	matchtable[] = {
+		{ CPU_FEATURE_FPU, "fpu" },
+		{ CPU_FEATURE_VME, "vme" },
+		{ CPU_FEATURE_DE, "de" },
+		{ CPU_FEATURE_PSE, "pse" },
+		{ CPU_FEATURE_TSC, "tsc" },
+		{ CPU_FEATURE_MSR, "msr" },
+		{ CPU_FEATURE_PAE, "pae" },
+		{ CPU_FEATURE_MCE, "mce" },
+		{ CPU_FEATURE_CX8, "cx8" },
+		{ CPU_FEATURE_APIC, "apic" },
+		{ CPU_FEATURE_MTRR, "mtrr" },
+		{ CPU_FEATURE_SEP, "sep" },
+		{ CPU_FEATURE_PGE, "pge" },
+		{ CPU_FEATURE_MCA, "mca" },
+		{ CPU_FEATURE_CMOV, "cmov" },
+		{ CPU_FEATURE_PAT, "pat" },
+		{ CPU_FEATURE_PSE36, "pse36" },
+		{ CPU_FEATURE_PN, "pn" },
+		{ CPU_FEATURE_CLFLUSH, "clflush" },
+		{ CPU_FEATURE_DTS, "dts" },
+		{ CPU_FEATURE_ACPI, "acpi" },
+		{ CPU_FEATURE_MMX, "mmx" },
+		{ CPU_FEATURE_FXSR, "fxsr" },
+		{ CPU_FEATURE_SSE, "sse" },
+		{ CPU_FEATURE_SSE2, "sse2" },
+		{ CPU_FEATURE_SS, "ss" },
+		{ CPU_FEATURE_HT, "ht" },
+		{ CPU_FEATURE_TM, "tm" },
+		{ CPU_FEATURE_IA64, "ia64" },
+		{ CPU_FEATURE_PBE, "pbe" },
+		{ CPU_FEATURE_PNI, "pni" },
+		{ CPU_FEATURE_PCLMUL, "pclmul" },
+		{ CPU_FEATURE_DTS64, "dts64" },
+		{ CPU_FEATURE_MONITOR, "monitor" },
+		{ CPU_FEATURE_DS_CPL, "ds_cpl" },
+		{ CPU_FEATURE_VMX, "vmx" },
+		{ CPU_FEATURE_SMX, "smx" },
+		{ CPU_FEATURE_EST, "est" },
+		{ CPU_FEATURE_TM2, "tm2" },
+		{ CPU_FEATURE_SSSE3, "ssse3" },
+		{ CPU_FEATURE_CID, "cid" },
+		{ CPU_FEATURE_CX16, "cx16" },
+		{ CPU_FEATURE_XTPR, "xtpr" },
+		{ CPU_FEATURE_PDCM, "pdcm" },
+		{ CPU_FEATURE_DCA, "dca" },
+		{ CPU_FEATURE_SSE4_1, "sse4_1" },
+		{ CPU_FEATURE_SSE4_2, "sse4_2" },
+		{ CPU_FEATURE_SYSCALL, "syscall" },
+		{ CPU_FEATURE_XD, "xd" },
+		{ CPU_FEATURE_X2APIC, "x2apic"},
+		{ CPU_FEATURE_MOVBE, "movbe" },
+		{ CPU_FEATURE_POPCNT, "popcnt" },
+		{ CPU_FEATURE_AES, "aes" },
+		{ CPU_FEATURE_XSAVE, "xsave" },
+		{ CPU_FEATURE_OSXSAVE, "osxsave" },
+		{ CPU_FEATURE_AVX, "avx" },
+		{ CPU_FEATURE_MMXEXT, "mmxext" },
+		{ CPU_FEATURE_3DNOW, "3dnow" },
+		{ CPU_FEATURE_3DNOWEXT, "3dnowext" },
+		{ CPU_FEATURE_NX, "nx" },
+		{ CPU_FEATURE_FXSR_OPT, "fxsr_opt" },
+		{ CPU_FEATURE_RDTSCP, "rdtscp" },
+		{ CPU_FEATURE_LM, "lm" },
+		{ CPU_FEATURE_LAHF_LM, "lahf_lm" },
+		{ CPU_FEATURE_CMP_LEGACY, "cmp_legacy" },
+		{ CPU_FEATURE_SVM, "svm" },
+		{ CPU_FEATURE_SSE4A, "sse4a" },
+		{ CPU_FEATURE_MISALIGNSSE, "misalignsse" },
+		{ CPU_FEATURE_ABM, "abm" },
+		{ CPU_FEATURE_3DNOWPREFETCH, "3dnowprefetch" },
+		{ CPU_FEATURE_OSVW, "osvw" },
+		{ CPU_FEATURE_IBS, "ibs" },
+		{ CPU_FEATURE_SSE5, "sse5" },
+		{ CPU_FEATURE_SKINIT, "skinit" },
+		{ CPU_FEATURE_WDT, "wdt" },
+		{ CPU_FEATURE_TS, "ts" },
+		{ CPU_FEATURE_FID, "fid" },
+		{ CPU_FEATURE_VID, "vid" },
+		{ CPU_FEATURE_TTP, "ttp" },
+		{ CPU_FEATURE_TM_AMD, "tm_amd" },
+		{ CPU_FEATURE_STC, "stc" },
+		{ CPU_FEATURE_100MHZSTEPS, "100mhzsteps" },
+		{ CPU_FEATURE_HWPSTATE, "hwpstate" },
+		{ CPU_FEATURE_CONSTANT_TSC, "constant_tsc" },
+		{ CPU_FEATURE_XOP, "xop" },
+		{ CPU_FEATURE_FMA3, "fma3" },
+		{ CPU_FEATURE_FMA4, "fma4" },
+		{ CPU_FEATURE_TBM, "tbm" },
+		{ CPU_FEATURE_F16C, "f16c" },
+		{ CPU_FEATURE_RDRAND, "rdrand" },
+		{ CPU_FEATURE_CPB, "cpb" },
+		{ CPU_FEATURE_APERFMPERF, "aperfmperf" },
+		{ CPU_FEATURE_PFI, "pfi" },
+		{ CPU_FEATURE_PA, "pa" },
+		{ CPU_FEATURE_AVX2, "avx2" },
+		{ CPU_FEATURE_BMI1, "bmi1" },
+		{ CPU_FEATURE_BMI2, "bmi2" },
+		{ CPU_FEATURE_HLE, "hle" },
+		{ CPU_FEATURE_RTM, "rtm" },
+		{ CPU_FEATURE_AVX512F, "avx512f" },
+		{ CPU_FEATURE_AVX512DQ, "avx512dq" },
+		{ CPU_FEATURE_AVX512PF, "avx512pf" },
+		{ CPU_FEATURE_AVX512ER, "avx512er" },
+		{ CPU_FEATURE_AVX512CD, "avx512cd" },
+		{ CPU_FEATURE_SHA_NI, "sha_ni" },
+		{ CPU_FEATURE_AVX512BW, "avx512bw" },
+		{ CPU_FEATURE_AVX512VL, "avx512vl" },
+		{ CPU_FEATURE_SGX, "sgx" },
+		{ CPU_FEATURE_RDSEED, "rdseed" },
+		{ CPU_FEATURE_ADX, "adx" },
+	};
+	unsigned i, n = COUNT_OF(matchtable);
+	if (n != NUM_CPU_FEATURES) {
+		warnf("Warning: incomplete library, feature matchtable size differs from the actual number of features.\n");
+	}
+	for (i = 0; i < n; i++)
+		if (matchtable[i].feature == feature)
+			return matchtable[i].name;
+	return "";
+}
+
+const char* cpuid_error(void)
+{
+	const struct { cpu_error_t error; const char *description; }
+	matchtable[] = {
+		{ ERR_OK       , "No error"},
+		{ ERR_NO_CPUID , "CPUID instruction is not supported"},
+		{ ERR_NO_RDTSC , "RDTSC instruction is not supported"},
+		{ ERR_NO_MEM   , "Memory allocation failed"},
+		{ ERR_OPEN     , "File open operation failed"},
+		{ ERR_BADFMT   , "Bad file format"},
+		{ ERR_NOT_IMP  , "Not implemented"},
+		{ ERR_CPU_UNKN , "Unsupported processor"},
+		{ ERR_NO_RDMSR , "RDMSR instruction is not supported"},
+		{ ERR_NO_DRIVER, "RDMSR driver error (generic)"},
+		{ ERR_NO_PERMS , "No permissions to install RDMSR driver"},
+		{ ERR_EXTRACT  , "Cannot extract RDMSR driver (read only media?)"},
+		{ ERR_HANDLE   , "Bad handle"},
+		{ ERR_INVMSR   , "Invalid MSR"},
+		{ ERR_INVCNB   , "Invalid core number"},
+		{ ERR_HANDLE_R , "Error on handle read"},
+		{ ERR_INVRANGE , "Invalid given range"},
+	};
+	unsigned i;
+	for (i = 0; i < COUNT_OF(matchtable); i++)
+		if (_libcpiud_errno == matchtable[i].error)
+			return matchtable[i].description;
+	return "Unknown error";
+}
+
+
 const char* cpuid_lib_version(void)
 {
 	return VERSION;
 }
+
+libcpuid_warn_fn_t cpuid_set_warn_function(libcpuid_warn_fn_t new_fn)
+{
+	libcpuid_warn_fn_t ret = _warn_fun;
+	_warn_fun = new_fn;
+	return ret;
+}
+
+void cpuid_set_verbosiness_level(int level)
+{
+	_current_verboselevel = level;
+}
+
+cpu_vendor_t cpuid_get_vendor(void)
+{
+	static cpu_vendor_t vendor = VENDOR_UNKNOWN;
+	uint32_t raw_vendor[4];
+	char vendor_str[VENDOR_STR_MAX];
+
+	if(vendor == VENDOR_UNKNOWN) {
+		if (!cpuid_present())
+			set_error(ERR_NO_CPUID);
+		else {
+			cpu_exec_cpuid(0, raw_vendor);
+			vendor = cpuid_vendor_identify(raw_vendor, vendor_str);
+		}
+	}
+	return vendor;
+}
+
+void cpuid_get_cpu_list(cpu_vendor_t vendor, struct cpu_list_t* list)
+{
+	switch (vendor) {
+		case VENDOR_INTEL:
+			cpuid_get_list_intel(list);
+			break;
+		case VENDOR_AMD:
+			cpuid_get_list_amd(list);
+			break;
+		case VENDOR_CYRIX:
+			make_list_from_string("Cx486,Cx5x86,6x86,6x86MX,M II,MediaGX,MediaGXi,MediaGXm", list);
+			break;
+		case VENDOR_NEXGEN:
+			make_list_from_string("Nx586", list);
+			break;
+		case VENDOR_TRANSMETA:
+			make_list_from_string("Crusoe,Efficeon", list);
+			break;
+		case VENDOR_UMC:
+			make_list_from_string("UMC x86 CPU", list);
+			break;
+		case VENDOR_CENTAUR:
+			make_list_from_string("VIA C3,VIA C7,VIA Nano", list);
+			break;
+		case VENDOR_RISE:
+			make_list_from_string("Rise mP6", list);
+			break;
+		case VENDOR_SIS:
+			make_list_from_string("SiS mP6", list);
+			break;
+		case VENDOR_NSC:
+			make_list_from_string("Geode GXm,Geode GXLV,Geode GX1,Geode GX2", list);
+			break;
+		default:
+			warnf("Unknown vendor passed to cpuid_get_cpu_list()\n");
+			break;
+ 	}
+}
+
+void cpuid_free_cpu_list(struct cpu_list_t* list)
+{
+	int i;
+	if (list->num_entries <= 0) return;
+	for (i = 0; i < list->num_entries; i++)
+		free(list->names[i]);
+	free(list->names);
+}

src/3rdparty/libcpuid/libcpuid_internal.h

@@ -58,6 +58,48 @@ struct internal_id_info_t {
 	int score; // detection (matchtable) score
 };
 
+#define LBIT(x) (((long long) 1) << x)
+
+enum _common_bits_t {
+	_M_                     = LBIT(  0 ),
+	MOBILE_                 = LBIT(  1 ),
+	_MP_                    = LBIT(  2 ),
+};
+
+// additional detection bits for Intel CPUs:
+enum _intel_bits_t {
+	PENTIUM_                = LBIT( 10 ),
+	CELERON_                = LBIT( 11 ),
+	CORE_                   = LBIT( 12 ),
+	_I_                     = LBIT( 13 ),
+	_3                      = LBIT( 14 ),
+	_5                      = LBIT( 15 ),
+	_7                      = LBIT( 16 ),
+	XEON_                   = LBIT( 17 ),
+	ATOM_                   = LBIT( 18 ),
+};
+typedef enum _intel_bits_t intel_bits_t;
+
+enum _amd_bits_t {
+	ATHLON_      = LBIT( 10 ),
+	_XP_         = LBIT( 11 ),
+	DURON_       = LBIT( 12 ),
+	SEMPRON_     = LBIT( 13 ),
+	OPTERON_     = LBIT( 14 ),
+	TURION_      = LBIT( 15 ),
+	_LV_         = LBIT( 16 ),
+	_64_         = LBIT( 17 ),
+	_X2          = LBIT( 18 ),
+	_X3          = LBIT( 19 ),
+	_X4          = LBIT( 20 ),
+	_X6          = LBIT( 21 ),
+	_FX          = LBIT( 22 ),
+	_APU_        = LBIT( 23 ),
+};
+typedef enum _amd_bits_t amd_bits_t;
+
+
+
 int cpu_ident_internal(struct cpu_raw_data_t* raw, struct cpu_id_t* data, 
 		       struct internal_id_info_t* internal);
 

src/3rdparty/libcpuid/libcpuid_util.h

@@ -28,8 +28,6 @@
 
 #define COUNT_OF(array) (sizeof(array) / sizeof(array[0]))
 
-#define LBIT(x) (((long long) 1) << x)
-
 struct feature_map_t {
 	unsigned bit;
 	cpu_feature_t feature;

src/3rdparty/libcpuid/recog_amd.c

@@ -44,26 +44,6 @@ struct amd_code_and_bits_t {
 	uint64_t bits;
 };
 
-enum _amd_bits_t {
-	ATHLON_      = LBIT(  0 ),
-	_XP_         = LBIT(  1 ),
-	_M_          = LBIT(  2 ),
-	_MP_         = LBIT(  3 ),
-	MOBILE_      = LBIT(  4 ),
-	DURON_       = LBIT(  5 ),
-	SEMPRON_     = LBIT(  6 ),
-	OPTERON_     = LBIT(  7 ),
-	TURION_      = LBIT(  8 ),
-	_LV_         = LBIT(  9 ),
-	_64_         = LBIT( 10 ),
-	_X2          = LBIT( 11 ),
-	_X3          = LBIT( 12 ),
-	_X4          = LBIT( 13 ),
-	_X6          = LBIT( 14 ),
-	_FX          = LBIT( 15 ),
-};
-typedef enum _amd_bits_t amd_bits_t;
-
 enum _amd_model_codes_t {
 	// Only for Ryzen CPUs:
 	_1400,
@@ -469,11 +449,12 @@ static struct amd_code_and_bits_t decode_amd_codename_part1(const char *bs)
 	if (strstr(bs, "XP")) bits |= _XP_;
 	if (strstr(bs, "XP-M")) bits |= _M_;
 	if (strstr(bs, "(LV)")) bits |= _LV_;
+	if (strstr(bs, " APU ")) bits |= _APU_;
 
 	if (match_pattern(bs, "C-##")) code = FUSION_C;
 	if (match_pattern(bs, "E-###")) code = FUSION_E;
 	if (match_pattern(bs, "Z-##")) code = FUSION_Z;
-	if (match_pattern(bs, "E#-####") || match_pattern(bs, "A#-####")) code = FUSION_EA;
+	if (match_pattern(bs, "[EA]#-####")) code = FUSION_EA;
 
 	result.code = code;
 	result.bits = bits;

src/3rdparty/libcpuid/recog_intel.c

@@ -59,23 +59,6 @@ enum _intel_model_t {
 };
 typedef enum _intel_model_t intel_model_t;
 
-enum _intel_bits_t {
-	PENTIUM_                = LBIT(  0 ),
-	CELERON_                = LBIT(  1 ),
-	MOBILE_                 = LBIT(  2 ),
-	CORE_                   = LBIT(  3 ),
-	_I_                     = LBIT(  4 ),
-	_M_                     = LBIT(  5 ),
-	_3                      = LBIT(  6 ),
-	_5                      = LBIT(  7 ),
-	_7                      = LBIT(  8 ),
-	XEON_                   = LBIT(  9 ),
-	_MP                     = LBIT( 10 ),
-	ATOM_                   = LBIT( 11 ),
-	
-};
-typedef enum _intel_bits_t intel_bits_t;
-
 const struct match_entry_t cpudb_intel[] = {
 	{ -1, -1, -1, -1, -1,   1,    -1,    -1, NC, 0             ,     0, "Unknown Intel CPU"       },
 	
@@ -158,11 +141,11 @@ const struct match_entry_t cpudb_intel[] = {
 	{ 15,  0, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Foster)"           },
 	{ 15,  1, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Foster)"           },
 	{ 15,  2, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Prestonia)"        },
-	{ 15,  2, -1, 15, -1,   1,    -1,    -1, NC, XEON_|_MP     ,     0, "Xeon (Gallatin)"         },
+	{ 15,  2, -1, 15, -1,   1,    -1,    -1, NC, XEON_|_MP_    ,     0, "Xeon (Gallatin)"         },
 	{ 15,  3, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Nocona)"           },
 	{ 15,  4, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Nocona)"           },
 	{ 15,  4, -1, 15, -1,   1,    -1,    -1, IRWIN, XEON_      ,     0, "Xeon (Irwindale)"        },
-	{ 15,  4, -1, 15, -1,   1,    -1,    -1, NC, XEON_|_MP     ,     0, "Xeon (Cranford)"         },
+	{ 15,  4, -1, 15, -1,   1,    -1,    -1, NC, XEON_|_MP_    ,     0, "Xeon (Cranford)"         },
 	{ 15,  4, -1, 15, -1,   1,    -1,    -1, POTOMAC, XEON_    ,     0, "Xeon (Potomac)"          },
 	{ 15,  6, -1, 15, -1,   1,    -1,    -1, NC, XEON_         ,     0, "Xeon (Dempsey)"          },
 	
@@ -668,7 +651,7 @@ static intel_code_and_bits_t get_brand_code_and_bits(struct cpu_id_t* data)
 	
 	const struct { uint64_t bit; const char* search; } bit_matchtable[] = {
 		{ XEON_, "Xeon" },
-		{ _MP, " MP" },
+		{ _MP_, " MP" },
 		{ ATOM_, "Atom(TM) CPU" },
 		{ MOBILE_, "Mobile" },
 		{ CELERON_, "Celeron" },
@@ -710,7 +693,7 @@ static intel_code_and_bits_t get_brand_code_and_bits(struct cpu_id_t* data)
 			/* restrict by family, since later Xeons also have L3 ... */
 			code = IRWIN;
 	}
-	if (match_all(bits, XEON_ + _MP) && data->l3_cache > 0)
+	if (match_all(bits, XEON_ + _MP_) && data->l3_cache > 0)
 		code = POTOMAC;
 	if (code == CORE_SOLO) {
 		s = strstr(bs, "CPU");

src/Cpu.cpp

@@ -22,3 +22,84 @@
  */
 
 
+#include <libcpuid.h>
+#include <math.h>
+#include <string.h>
+
+#include "Cpu.h"
+
+
+char Cpu::m_brand[64]   = { 0 };
+int Cpu::m_flags        = 0;
+int Cpu::m_l2_cache     = 0;
+int Cpu::m_l3_cache     = 0;
+int Cpu::m_sockets      = 1;
+int Cpu::m_totalCores   = 0;
+int Cpu::m_totalThreads = 0;
+
+
+int Cpu::optimalThreadsCount(int algo, bool doubleHash, int maxCpuUsage)
+{
+    if (m_totalThreads == 1) {
+        return 1;
+    }
+
+    int cache = m_l3_cache ? m_l3_cache : m_l2_cache;
+    int count = 0;
+    const int size = (algo ? 1024 : 2048) * (doubleHash ? 2 : 1);
+
+    if (cache) {
+        count = cache / size;
+    }
+    else {
+        count = m_totalThreads / 2;
+    }
+
+    if (count > m_totalThreads) {
+        count = m_totalThreads;
+    }
+
+    if (((float) count / m_totalThreads * 100) > maxCpuUsage) {
+        count = ceil((float) m_totalThreads * (maxCpuUsage / 100.0));
+    }
+
+    return count < 1 ? 1 : count;
+}
+
+
+void Cpu::initCommon()
+{
+    struct cpu_raw_data_t raw = { 0 };
+    struct cpu_id_t data = { 0 };
+
+    cpuid_get_raw_data(&raw);
+    cpu_identify(&raw, &data);
+
+    strncpy(m_brand, data.brand_str, sizeof(m_brand) - 1);
+
+    m_totalThreads = data.total_logical_cpus;
+    m_sockets = m_totalThreads / data.num_logical_cpus;
+    m_totalCores = data.num_cores *m_sockets;
+
+    m_l3_cache = data.l3_cache > 0 ? data.l3_cache * m_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) {
+        m_l2_cache = data.l2_cache * (m_totalCores / 2) * m_sockets;
+    }
+    else {
+        m_l2_cache = data.l2_cache > 0 ? data.l2_cache * m_totalCores * m_sockets : 0;
+    }
+
+#   ifdef __x86_64__
+    m_flags |= X86_64;
+#   endif
+
+    if (data.flags[CPU_FEATURE_AES]) {
+        m_flags |= AES;
+    }
+
+    if (data.flags[CPU_FEATURE_BMI2]) {
+        m_flags |= BMI2;
+    }
+}

src/Summary.cpp

@@ -25,14 +25,13 @@
 #include <uv.h>
 
 
-#include "Summary.h"
 #include "Console.h"
 #include "Cpu.h"
 #include "Options.h"
+#include "Summary.h"
 #include "version.h"
 
 
-
 static void print_versions()
 {
     char *buf = static_cast<char*>(malloc(16));