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libcpuid
0.2.2
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This contains the recognized CPU features/info. More...
#include <libcpuid.h>
Data Fields | |
| char | vendor_str [VENDOR_STR_MAX] |
| char | brand_str [BRAND_STR_MAX] |
| cpu_vendor_t | vendor |
| uint8_t | flags [CPU_FLAGS_MAX] |
| int32_t | family |
| int32_t | model |
| int32_t | stepping |
| int32_t | ext_family |
| int32_t | ext_model |
| int32_t | num_cores |
| int32_t | num_logical_cpus |
| int32_t | total_logical_cpus |
| int32_t | l1_data_cache |
| int32_t | l1_instruction_cache |
| int32_t | l2_cache |
| int32_t | l3_cache |
| int32_t | l1_assoc |
| int32_t | l2_assoc |
| int32_t | l3_assoc |
| int32_t | l1_cacheline |
| int32_t | l2_cacheline |
| int32_t | l3_cacheline |
| char | cpu_codename [64] |
| int32_t | sse_size |
| uint8_t | detection_hints [CPU_HINTS_MAX] |
This contains the recognized CPU features/info.
| char cpu_id_t::brand_str[BRAND_STR_MAX] |
contains the brand string, e.g. "Intel(R) Xeon(TM) CPU 2.40GHz"
| char cpu_id_t::cpu_codename[64] |
The brief and human-friendly CPU codename, which was recognized.
Examples:
| uint8_t cpu_id_t::detection_hints[CPU_HINTS_MAX] |
contain miscellaneous detection information. Used to test about specifics of certain detected features. See CPU_HINT_* macros below.
| int32_t cpu_id_t::ext_family |
CPU extended family
| int32_t cpu_id_t::ext_model |
CPU extended model
| int32_t cpu_id_t::family |
CPU family
| uint8_t cpu_id_t::flags[CPU_FLAGS_MAX] |
contain CPU flags. Used to test for features. See the CPU_FEATURE_* macros below.
| int32_t cpu_id_t::l1_assoc |
Cache associativity for the L1 data cache. -1 if undetermined
| int32_t cpu_id_t::l1_cacheline |
Cache-line size for L1 data cache. -1 if undetermined
| int32_t cpu_id_t::l1_data_cache |
L1 data cache size in KB. Could be zero, if the CPU lacks cache. If the size cannot be determined, it will be -1.
| int32_t cpu_id_t::l1_instruction_cache |
L1 instruction cache size in KB. Could be zero, if the CPU lacks cache. If the size cannot be determined, it will be -1.
| int32_t cpu_id_t::l2_assoc |
Cache associativity for the L2 cache. -1 if undetermined
| int32_t cpu_id_t::l2_cache |
L2 cache size in KB. Could be zero, if the CPU lacks L2 cache. If the size of the cache could not be determined, it will be -1
| int32_t cpu_id_t::l2_cacheline |
Cache-line size for L2 cache. -1 if undetermined
| int32_t cpu_id_t::l3_assoc |
Cache associativity for the L3 cache. -1 if undetermined
| int32_t cpu_id_t::l3_cache |
L3 cache size in KB. Zero on most systems
| int32_t cpu_id_t::l3_cacheline |
Cache-line size for L3 cache. -1 if undetermined
| int32_t cpu_id_t::model |
CPU model
| int32_t cpu_id_t::num_cores |
Number of CPU cores on the current processor
| int32_t cpu_id_t::num_logical_cpus |
Number of logical processors on the current processor. Could be more than the number of physical cores, e.g. when the processor has HyperThreading.
| int32_t cpu_id_t::sse_size |
SSE execution unit size (64 or 128; -1 if N/A)
| int32_t cpu_id_t::stepping |
CPU stepping
| int32_t cpu_id_t::total_logical_cpus |
The total number of logical processors.
This is num_logical_cpus * {total physical processors in the system}
If you're writing a multithreaded program and you want to run it on all CPUs, this is the number of threads you need.
| cpu_vendor_t cpu_id_t::vendor |
contains the recognized CPU vendor
| char cpu_id_t::vendor_str[VENDOR_STR_MAX] |
contains the CPU vendor string, e.g. "GenuineIntel"
1.8.10