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NUMA    
{Non-Uniform Memory Access}

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英文字典中文字典相关资料:


  • gramática - O termo num numa está correto? - Portuguese Language . . .
    A gramaticalidade de num e numa pode ser confirmada em qualquer dicionário Por exemplo no Aulete (com abreviaturas desabreviadas): 1 Contração da preposição em com o artigo indefinido um: Vive num sítio no interior 2 Contração da preposição em com o numeral um: Num dos dedos havia a marca do anel
  • What is -lnuma and what program uses it for compilation?
    OpenMPI, and I think mpich2, uses libnuma (`a simple programming interface to the NUMA (Non Uniform Memory Access) policy supported by the Linux kernel') for memory affinity -- to ensure that the memory for a particular MPI task stays close to the core that the task is running on, as vs being kept in cache on another socket entirely
  • Which architecture to call Non-uniform memory access (NUMA)?
    Technically, NUMA should probably only be used to describe non-uniform access latency or bandwidth to main memory (If the NUMA factor [latency far latency near or bandwidth far bandwidth near] is small [e g , comparable to dynamic variability due to DRAM row misses, buffering, etc ], then the system might still be considered UMA )
  • windows - NUMA - Local memory - Stack Overflow
    Each node has a CPU and it's own memory bank When you boot it up, the total system memory is the total memory in the machine So any program can access all the memory regardless of where it is But since some memory regions are faster depending on whether it's local to the core that's accessing it, it is NUMA –
  • linux - How do I know if my server has NUMA? - Stack Overflow
    For me, dmesg also lacks mention of "NUMA", but I have no access to var log dmesg which need root privilege I run find proc|grep -i numa and saw some numa_maps files I guess this is also a symbol that NUMA is enabled –
  • parallel processing - C++ NUMA Optimization - Stack Overflow
    Now a new requirement is to run the software on systems with more than one NUMA-node The targeted OS is Windows 7 x64 I've performed several measurements and noticed that the execution time has been optimal when assigning the application to a single NUMA node and therefore wasting a complete processor
  • Should I worry about NUMA in one CPU system? - Stack Overflow
    The IBM Power7 has a slightly NUMA L3 cache, but access to main memory is still uniform Many of the multi-socket motherboard systems are NUMA where each socket has its own bank of local and fast memory You can choose to populate only one socket, but then it's no longer NUMA So no, if there's only CPU, then you don't need to worry about NUMA
  • do malloc memcpy function run independently on NUMA?
    A NUMA machine is a shared memory system, so memory accesses from any processor can reach the memory without blocking If the memory model were message based, then accessing remote memory would require the executing processor to request that the local processor perform the desired operation





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