hwloc for MSVC updated to v2.1.0.
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153
src/3rdparty/hwloc/NEWS
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153
src/3rdparty/hwloc/NEWS
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@ -13,8 +13,96 @@ $HEADER$
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This file contains the main features as well as overviews of specific
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bug fixes (and other actions) for each version of hwloc since version
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0.9 (as initially released as "libtopology", then re-branded to "hwloc"
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in v0.9.1).
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0.9.
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Version 2.1.0
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-------------
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* API
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+ Add a new "Die" object (HWLOC_OBJ_DIE) for upcoming x86 processors
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with multiple dies per package, in the x86 and Linux backends.
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+ Add the new HWLOC_OBJ_MEMCACHE object type for memory-side caches.
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- They are filtered-out by default, except in command-line tools.
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- They are only available on very recent platforms running Linux 5.2+
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and uptodate ACPI tables.
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- The KNL MCDRAM in cache mode is still exposed as a L3 unless
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HWLOC_KNL_MSCACHE_L3=0 in the environment.
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+ Add HWLOC_RESTRICT_FLAG_BYNODESET and _REMOVE_MEMLESS for restricting
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topologies based on some memory nodes.
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+ Add hwloc_topology_set_components() for blacklisting some components
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from being enabled in a topology.
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+ Add hwloc_bitmap_nr_ulongs() and hwloc_bitmap_from/to_ulongs(),
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thanks to Junchao Zhang for the suggestion.
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+ Improve the API for dealing with disallowed resources
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- HWLOC_TOPOLOGY_FLAG_WHOLE_SYSTEM is replaced with FLAG_INCLUDE_DISALLOWED
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and --whole-system command-line options with --disallowed.
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. Former names are still accepted for backward compatibility.
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- Add hwloc_topology_allow() for changing allowed sets after load().
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- Add the HWLOC_ALLOW=all environment variable to totally ignore
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administrative restrictions such as Linux Cgroups.
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- Add disallowed_pu and disallowed_numa bits to the discovery support
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structure.
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+ Group objects have a new "dont_merge" attribute to prevent them from
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being automatically merged with identical parent or children.
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+ Add more distances-related features:
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- Add hwloc_distances_get_name() to retrieve a string describing
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what a distances structure contain.
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- Add hwloc_distances_get_by_name() to retrieve distances structures
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based on their name.
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- Add hwloc_distances_release_remove()
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- Distances may now cover objects of different types with new kind
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HWLOC_DISTANCES_KIND_HETEROGENEOUS_TYPES.
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* Backends
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+ Add support for Linux 5.3 new sysfs cpu topology files with Die information.
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+ Add support for Intel v2 Extended Topology Enumeration in the x86 backend.
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+ Improve memory locality on Linux by using HMAT initiators (exposed
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since Linux 5.2+), and NUMA distances for CPU-less NUMA nodes.
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+ The x86 backend now properly handles offline CPUs.
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+ Detect the locality of NVIDIA GPU OpenCL devices.
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+ Ignore NUMA nodes that correspond to NVIDIA GPU by default.
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- They may be unignored if HWLOC_KEEP_NVIDIA_GPU_NUMA_NODES=1 in the environment.
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- Fix their CPU locality and add info attributes to identify them.
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Thanks to Max Katz and Edgar Leon for the help.
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+ Add support for IBM S/390 drawers.
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+ Rework the heuristics for discovering KNL Cluster and Memory modes
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to stop assuming all CPUs are online (required for mOS support).
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Thanks to Sharath K Bhat for testing patches.
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+ Ignore NUMA node information from AMD topoext in the x86 backend,
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unless HWLOC_X86_TOPOEXT_NUMANODES=1 is set in the environment.
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+ Expose Linux DAX devices as hwloc Block OS devices.
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+ Remove support for /proc/cpuinfo-only topology discovery in Linux
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kernel prior to 2.6.16.
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+ Disable POWER device-tree-based topology on Linux by default.
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- It may be reenabled by setting HWLOC_USE_DT=1 in the environment.
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+ Discovery components are now divided in phases that may be individually
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blacklisted.
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- The linuxio component has been merged back into the linux component.
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* Tools
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+ lstopo
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- lstopo factorizes objects by default in the graphical output when
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there are more than 4 identical children.
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. New options --no-factorize and --factorize may be used to configure this.
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. Hit the 'f' key to disable factorizing in interactive outputs.
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- Both logical and OS/physical indexes are now displayed by default
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for PU and NUMA nodes.
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- The X11 and Windows interactive outputs support many keyboard
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shortcuts to dynamically customize the attributes, legend, etc.
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- Add --linespacing and change default margins and linespacing.
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- Add --allow for changing allowed sets.
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- Add a native SVG backend. Its graphical output may be slightly less
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pretty than Cairo (still used by default if available) but the SVG
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code provides attributes to manipulate objects from HTML/JS.
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See dynamic_SVG_example.html for an example.
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+ Add --nodeset options to hwloc-calc for converting between cpusets and
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nodesets.
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+ Add --no-smt to lstopo, hwloc-bind and hwloc-calc to ignore multiple
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PU in SMT cores.
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+ hwloc-annotate may annotate multiple locations at once.
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+ Add a HTML/JS version of hwloc-ps. See contrib/hwloc-ps.www/README.
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+ Add bash completions.
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* Misc
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+ Add several FAQ entries in "Compatibility between hwloc versions"
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about API version, ABI, XML, Synthetic strings, and shmem topologies.
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Version 2.0.4 (also included in 1.11.13 when appropriate)
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@ -214,6 +302,54 @@ Version 2.0.0
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+ hwloc now requires a C99 compliant compiler.
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Version 1.11.13 (also included in 2.0.4)
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---------------
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* Add support for Linux 5.3 new sysfs cpu topology files with Die information.
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* Add support for Intel v2 Extended Topology Enumeration in the x86 backend.
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* Tiles, Modules and Dies are exposed as Groups for now.
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+ HWLOC_DONT_MERGE_DIE_GROUPS=1 may be set in the environment to prevent
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Die groups from being automatically merged with identical parent or children.
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* Ignore NUMA node information from AMD topoext in the x86 backend,
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unless HWLOC_X86_TOPOEXT_NUMANODES=1 is set in the environment.
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* Group objects have a new "dont_merge" attribute to prevent them from
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being automatically merged with identical parent or children.
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Version 1.11.12 (also included in 2.0.3)
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---------------
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* Fix a corner case of hwloc_topology_restrict() where children would
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become out-of-order.
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* Fix the return length of export_xmlbuffer() functions to always
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include the ending \0.
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Version 1.11.11 (also included in 2.0.2)
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---------------
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* Add support for Hygon Dhyana processors in the x86 backend,
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thanks to Pu Wen for the patch.
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* Fix symbol renaming to also rename internal components,
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thanks to Evan Ramos for the patch.
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* Fix build on HP-UX, thanks to Richard Lloyd for reporting the issues.
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* Detect PCI link speed without being root on Linux >= 4.13.
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Version 1.11.10 (also included in 2.0.1)
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---------------
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* Fix detection of cores and hyperthreads on Mac OS X.
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* Serialize pciaccess discovery to fix concurrent topology loads in
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multiple threads.
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* Fix first touch area memory binding on Linux when thread memory
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binding is different.
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* Some minor fixes to memory binding.
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* Fix hwloc-dump-hwdata to only process SMBIOS information that correspond
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to the KNL and KNM configuration.
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* Add a heuristic for guessing KNL/KNM memory and cluster modes when
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hwloc-dump-hwdata could not run as root earlier.
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* Fix discovery of NVMe OS devices on Linux >= 4.0.
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* Add get_area_memlocation() on Windows.
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* Add CPUVendor, Model, ... attributes on Mac OS X.
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Version 1.11.9
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--------------
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* Add support for Zhaoxin ZX-C and ZX-D processors in the x86 backend,
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@ -941,7 +1077,7 @@ Version 1.6.0
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+ Add a section about Synthetic topologies in the documentation.
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Version 1.5.2 (some of these changes are in v1.6.2 but not in v1.6)
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Version 1.5.2 (some of these changes are in 1.6.2 but not in 1.6)
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-------------
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* Use libpciaccess instead of pciutils/libpci by default for I/O discovery.
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pciutils/libpci is only used if --enable-libpci is given to configure
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@ -1076,9 +1212,8 @@ Version 1.4.2
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for most of them.
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Version 1.4.1
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Version 1.4.1 (contains all 1.3.2 changes)
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-------------
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* This release contains all changes from v1.3.2.
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* Fix hwloc_alloc_membind, thanks Karl Napf for reporting the issue.
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* Fix memory leaks in some get_membind() functions.
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* Fix helpers converting from Linux libnuma to hwloc (hwloc/linux-libnuma.h)
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@ -1091,7 +1226,7 @@ Version 1.4.1
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issues.
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Version 1.4.0 (does not contain all v1.3.2 changes)
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Version 1.4.0 (does not contain all 1.3.2 changes)
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-------------
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* Major features
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+ Add "custom" interface and "assembler" tools to build multi-node
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@ -1536,7 +1671,7 @@ Version 1.0.0
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Version 0.9.4 (unreleased)
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--------------------------
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-------------
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* Fix reseting colors to normal in lstopo -.txt output.
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* Fix Linux pthread_t binding error report.
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@ -1593,7 +1728,7 @@ Version 0.9.1
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the physical location of IB devices.
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Version 0.9 (libtopology)
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-------------------------
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Version 0.9 (formerly named "libtopology")
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-----------
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* First release.
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