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Description du projet

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.

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2012-12-20 21:48 Retour à la liste release
Fio 2.0.12.1

Support de la plateforme Android a été ajouté. La consommation de mémoire sous Windows lors de l'utilisation de fichiers a été réduite. E/s aléatoires non uniforme est apparue, à l'aide de la distribution de pareto/zipf. Un générateur aléatoire de LFSR plus rapide a été fourni. Diverses corrections et améliorations ont été apportées dans le moteur de réseau. E/s réseau de ping-pong est désormais pris en charge. L'horloge par défaut a été accéléré, et amélioration de la précision de l'horloge du CPU. Correction d'un problème potentiel de performances bimodale sur Linux avec plusieurs processus et O_DIRECT. Un bug de course de chronométrage avec threads a été fixé. Options de NUMA emploi et de la mémoire de contrôle ont été ajoutées. Correction d'un bogue dans le moteur de charge CPU. Il y avait diverses autres corrections et améliorations.
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.

Project Resources

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