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Projeto Descrição

fio is an I/O tool meant to be used both for benchmark and stress/hardware verification. It has support for 19 different types of I/O engines (sync, mmap, libaio, posixaio, SG v3, splice, null, network, syslet, guasi, solarisaio, and more), I/O priorities (for newer Linux kernels), rate I/O, forked or threaded jobs, and much more. It can work on block devices as well as files. fio accepts job descriptions in a simple-to-understand text format. Several example job files are included. fio displays all sorts of I/O performance information, including complete IO latencies and percentiles. Fio is in wide use in many places, for both benchmarking, QA, and verification purposes. It supports Linux, FreeBSD, NetBSD, OpenBSD, OS X, OpenSolaris, AIX, HP-UX, Android, and Windows.

System Requirements

System requirement is not defined
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2012-12-20 21:48 Back to release list
Fio 2.0.12.1

Foi adicionado suporte à plataforma Android. Reduziu-se o consumo de memória no Windows ao usar muitos arquivos. Foi adicionado suporte para e/s aleatória não-uniforme, usando distribuições de pareto/zipf. Um gerador aleatório de LFSR mais rápido foi fornecido. Várias correções e melhorias foram feitas no motor de rede. Ping-pong rede IO agora é suportado. O relógio padrão foi acelerado, e melhorou a precisão do relógio do CPU. Fixou-se um potencial problema de desempenho de bi-modal no Linux com vários processos e O_DIRECT. Foi corrigido um bug de corrida cronometragem com tópicos. Opções de controle de trabalho e memória NUMA foram adicionadas. Foi corrigido um bug no mecanismo de carga de CPU. Havia várias outras correções e melhorias.
Android platform support was added. Memory consumption on Windows when using many files was reduced. Support for non-uniform random IO was added, using pareto/zipf distributions. A faster LFSR random generator was provided. Various fixes and improvements were made in the network engine. Ping-pong network IO is now supported. The default clock was sped up, and accuracy of the CPU clock was improved. A potential bi-modal performance issue on Linux with multiple processes and O_DIRECT was fixed. A timekeeping race bug with threads was fixed. NUMA job and memory control options were added. A bug in the CPU load engine was fixed. There were various other fixes and improvements.

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