The Proceedings of the 7th Brazilian Workshop on High-Performance Computing Systems (WSCAD 2006) bring the papers selected and presented in the edition of the event held in Ouro Preto/MG, from October 17 to 20, 2006. In this issue, the proceedings include 18 full papers. These papers were selected through a peer-review, from a total of 64 full papers submitted, which implied an acceptance rate of 28%. The event's program committee was coordinated by Gerson Geraldo H. Cavalheiro (UFPel/Unisinos) and Mario Dantas (UFSC), who organized this volume.

To access the Companion Proceedings, visit the WSCAD 2006 Companion Proceedings series.