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ChangeLog
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ChangeLog
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Version 0.1.0 (2008-10-15):
* Initial public release
Version 0.1.1 (2009-07-06):
* Added intel_fn11 fields to cpu_raw_data_t to handle
new processor topology enumeration required on Core i7
* Support for Intel Nehalem architecture CPUs (Core i7, Xeon i7)
Version 0.1.2 (2009-09-26):
* Added support for MSR reading through self-extracting kernel driver
on Win32.
Version 0.1.3 (2010-04-20):
* Added support for greater more accurate CPU clock measurements with
cpu_clock_by_ic()
Version 0.2.0 (2011-10-11):
* Support for AMD Bulldozer CPUs, 128-bit SSE unit size checking.
A backwards-incompatible change, since the sizeof cpu_id_t is now
different.
Version 0.2.1 (2012-05-26):
* Support for Ivy Bridge, and detecting the presence of the RdRand
instruction.
Version 0.2.2 (2015-11-04):
* Support for newer processors up to Haswell and Vishera
* Fix clock detection in cpu_clock_by_ic() for Bulldozer
* Support for detection of AVX/AVX2/BMI1/BMI2
* More entries supported in cpu_msrinfo()
* Rename of some CPU codenames, made more consistent
* *BSD and Solaris support (unofficial)
Version 0.3.0 (2016-07-09):
* A backwards-incompatible change, since the sizeof cpu_raw_data_t and
cpu_id_t are now different.
* Support for processors up to Skylake.
* Fix clock detection in cpu_clock_by_ic() for Skylake.
* Support up to 8 subleaf entries for CPUID leaf 04 and detection
of L4 cache.
* MSR functions supported on FreeBSD.
* INFO_VOLTAGE request supported by cpu_msrinfo().
Version 0.4.0 (2016-09-30):
* A backwards-incompatible change, since the sizeof cpu_raw_data_t and
cpu_id_t are now different.
* Better detection of AMD clock multiplier with msrinfo.
* Support for Intel SGX detection
Version 0.4.1 (2019-02-05):
* Better support for Skylake Core i5 (#76)
* Misdiagnosis microarchitecture for i3-3220T (#81)
* Ability to dump MSR values to a file (PR #82)
* AMD Ryzen support (#86)
* Support for Coffee and Kaby Lake (#104)
* Support for Raven Ridge and Threadripper (#106)
* Support for Pinnacle Ridge (#111)
* Fix P-III Celeron misdetection
* Support for Skylake-X (#116)
* Support for Zen+ Threadripper
Version 0.5.0 (2020-05-23):
* A backwards-incompatible change, since the sizeof cpu_raw_data_t and
cpu_id_t are now different.
* Support for Hygon Dhyana (#123)
* Support for Zen 2 (#125, #137)
* Stubs for AArch64 (#127)
* Support for Intel AVX512VNNI detection (#129)
* Typo fixes (#130)
* Support for get_total_cpus on Haiku (#131)
* Fix build on PPC (#132)
* Support for CMake build system (#138) and vcpkg packaging (#140)
* Support for Cannon Lake
* Support for Coffee Lake-U and Coffee Lake Refresh
* Support for Comet Lake
* Support for Ice Lake
* Support for Renoir
* Fix ThreadSanitizer report (#142)
* Better support of L1 intruction cache (--l1i-assoc, --l1i-cacheline)
* Support for Ivy Bridge-E (Xeon)
* Support up to 4 subleaf entries for CPUID leaf 0x8000001D and
fix detection of L3 cache on Zen 2
* Support for RDSEED/ADX/SHA_NI detection (AMD)
* Support for ABM/AVX512VBMI/AVX512VBMI2 detection (Intel)
Version 0.5.1 (2021-03-20):
* Convert all python scripts to Python 3
* Support for Kaby Lake Refresh
* Support for Kaby Lake-G
* Support for Comet Lake-U
* Support for Gemini Lake
* Support for Vermeer
* Support for Whiskey Lake-U
* Support for Cezanne
* Support for Milan
* Support for Rocket Lake
Version 0.6.0 (2022-09-23):
* Support for Intel Tiger Lake
* CPU Family/Model is used as Ext.Family/Model
* Use popcount64 from libc when available (#152)
* Reduce minimum CMake requirement 3.14 to 3.13
* Do not link with msrdriver.c on non-Windows platform (#159)
* Report memory allocation failures without making a segmentation fault (#160)
* Support for AMD Lucienne
* Support for AMD Rembrandt
* Support for AMD Warhol
* Remove Debian package from source tree (#165)
* Fix build under Clang 15 (#167)
* Support for AMD Athlon Godavari
* Support for hybrid CPU like Intel Alder Lake (#166)
* Detect presence of hypervisor (#169)
* Decode deterministic cache info for AMD CPUs (#168)
* Add cache instances field in cpu_id_t and system_id_t (#168)
* Support AMD Bald Eagle
* Support for more AMD Godavari (Athlon)
* Rename AMD Bulldozer to Zambezi
* Support for AMD Interlagos
* Support for AMD Abu Dhabi
* Support for AMD Beema
* Support for AMD Steppe Eagle
* Support for more AMD Kabini (Sempron + Athlon)
* Improve msr_serialize_raw_data()
* Support for AMD Zen 2 custom APU for Steam Deck
Version 0.6.1 (2022-10-23):
* Support for AMD Raphael
* Support for AMD Dali
* Support for AMD Van Gogh
* Fix stuck cpuid_tool due to set_cpu_affinity() on Windows (#172)
* Remove AMD Warhol from DB (Zen3+ cancelled)
* Fix physical core count computed by cpu_identify_all() when HT is disabled (#175)
* Fix shared library symlinks with CMake (#174)
* Support for Intel Raptor Lake-S
Version 0.6.2 (2022-11-11):
* Fix segmentation fault in cpu_identify_all() for single-core CPUs
* Support for Intel Penryn L
* Support for Intel Tremont
* Support for AMD Mendocino
* Support for Intel Ice Lake (Xeon-D)
* Support for AMD Zen 2 Desktop Kit CPUs (4700S + 4800S)
* Support for AMD Athlon 64 Sherman
Version 0.6.3 (2023-04-02):
* Support for Intel Pentium and Celeron for Alder Lake-S
* Support for Intel Alder Lake-HX
* Support for Intel Alder Lake-X
* Fix detection of Intel Alder Lake-P
* Fix infinite loop in set_cpu_affinity() on macOS
* Fix a misprint of extended CPUID in cpuid_basic_identify()
* Restore previous thread CPU affinity before returning from cpuid_get_all_raw_data() (#184)
* Query CPU info at least once even if set_cpu_affinity() fails
* Support for AMD 19h family MSRs
* Fix detection of Intel Core i5 Lynnfield
* Rename set_error() to cpuid_set_error() and get_error() to cpuid_get_error() (#188)
* Support for Intel Alder Lake-N
* Support for AMD Rembrandt with Radeon Graphics
* Support for Intel Raptor Lake-S with "Golden Cove" cores
* Support for Intel Raptor Lake-P
* Support for Intel Raptor Lake-U
* Support for Intel Rocket Lake-E
Version 0.6.4 (2023-10-08):
* Support for AMD Genoa
* Support for Intel Sapphire Rapids-WS
* Support for Intel Skylake (server)
* Support for Intel Cascade Lake
* Support for Intel Ice-Lake (server)
* Support for Intel Sapphire Rapids-SP
* Improve support for Intel Arrandale (Pentium and Celeron)
* Fix support for Intel Sandy Bridge-E (Core i7)
* Support for AMD Phoenix
* Support for Intel Raptor Lake-H/HX
* Improve support for Intel Alder-Lake and Raptor-Lake P/U
* Fix floating point exception in cpu_identify_all() for unsupported CPU vendor
* Initial support for Centaur CPUs (VIA and Zhaoxin)
* Support for Intel Apollo Lake
* Fix build for NetBSD and DragonFly BSD (#190)
* Support for AMD Dragon Range
* Support for AMD Ryzen Z1
Version 0.6.5 (2024-04-28):
* Support for Intel Bay Trail-M
* Support for Intel Bay Trail-T
* Support for Intel Bay Trail-D
* Support for AMD Storm Peak
* Support for Intel Raport Lake Refresh
* Support heterogeneous RAW dumps in cpu_identify_all()
* Support for Intel Meteor Lake, including detection of LP E-Cores
* Support for Intel Emerald Rapids-SP
* Support for more AMD Van Gogh
Version 0.7.0 (2024-08-26):
* Fix handle leaks in rdmsr.c (#199)
* Fix cpuid_get_hypervisor when NULL data is provided (#199)
* Prevent intel_fn11 array overruns (#199)
* Support for AMD Hawk Point
* Support for more AMD Phoenix (8000 series)
* Add cpu_clock_by_tsc() function to the library (#124)
* Check x86 CPUs MSR support (#185)
* Add support for ARM CPUs (AArch32 + AArch64) (#200)
* Add cpu_feature_level_t enumerated values for x86 CPUs (#177)
* Support up to 4 subleaf entries for CPUID leaf 0x80000026 (#189)
* Support for Extended CPU topology subleaf in cpuid_identify_purpose_amd() (#189)
* Support CPU purpose for AMD x86 CPUs (#189)
* Add cpuid Linux and FreeBSD kernel modules for ARM CPUs
* Improve errors handling in cpuid_get_all_raw_data() and cpuid_get_raw_data_core() (#202)
* Support get_total_cpus() on DragonFly BSD
* Improve set_cpu_affinity() on NetBSD
* Fix build on OpenBSD
* Improve behavior when CPU affinity cannot be set
* Fix a regression in cpuid_tool about arguments doing nothing (like --rdmsr or --cpuid)
* Fix a segmentation fault when using --quiet in cpuid_tool
* Improve error handling in cpu_identify_all()
* Add Python bindings (#197)
* Support for AMD Granite Ridge
* Support for AMD Strix Point
* Detect x2APIC and AVX512 features for AMD x86 CPUs