IOMeter v2006.07.27 – IOps

Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems. It was originally developed by the Intel Corporation and announced at the Intel Developers Forum (IDF) on February 17, 1998 – since then it got wide spread within the industry.

Meanwhile Intel has discontinued to work on Iometer and it was given to the Open Source Development Lab (OSDL). In November 2001, a project was registered at and an initial drop was provided. Since the relaunch in February 2003, the project is driven by an international group of individuals who are continuesly improving, porting and extend the product.

Whoa. OCZ wasn’t kidding about that lower latency! I didn’t think anyone would ever unseat Intel on low latency / high IOPS at lower queue depths, but the proof is clearly in the pudding here. This is significant, since while SandForce controllers have to let IO’s "pile up" on them as they scale up to higher IOPS, the Everest just plows right through at lower queue depths. This is the key factor for how ‘snappy’ an SSD feels in use, and is a primary reason I’ve favored Intel over SandForce for home use.


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