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23 lines
1.1 KiB
Text
23 lines
1.1 KiB
Text
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The Portable Hardware Locality (hwloc) software package provides a
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portable abstraction (across OS, versions, architectures, ...) of the
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hierarchical topology of modern architectures, including NUMA memory
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nodes, sockets, shared caches, cores and simultaneous multithreading.
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It also gathers various system attributes such as cache and memory
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information as well as the locality of I/O devices such as network
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interfaces, InfiniBand HCAs or GPUs. It primarily aims at helping
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applications with gathering information about modern computing
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hardware so as to exploit it accordingly and efficiently.
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Optional dependences:
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numactl:
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libnuma provides conversion helpers between hwloc CPU setsand
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libnuma-specific types, such as bitmasks. It helps you use libnuma
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memory-binding functions with hwloc CPU sets.
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cudatoolkit:
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CUDA enables interoperability with NVIDIA CUDA Driver and Runtime
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interfaces. For instance, it may return the list of processors near
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NVIDIA GPUs. Note that if I/O device discovery is enabled, GPUs may
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also appear as PCI objects in the topology.
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