Torrenza
2006 AMD coprocessor initiative
Torrenza was an initiative announced by Advanced Micro Devices (AMD) in 2006 to improve support for the integration of specialized coprocessors in systems based on AMD Opteron microprocessors. Torrenza does not refer to a specific product or specific technology, though the primary focus is on the integration of coprocessor devices directly connected to the Opteron processors' HyperTransport links, and other co-processors connected via PCI Express. The initiative's stated goals include improving technical and technology support for third-party developers of coprocessing devices, reducing the cost of implementing HyperTransport interfaces on these devices, and improving the performance of the integrated system. It can be argued, that the original idea behind Torrenza was successfully implemented in form of Heterogeneous System Architecture by AMD and the other members of the HSA Foundation.
Goals
AMD expected tightly-integrated coprocessor technology to be a proving ground for developing and assessing technologies that may eventually migrate onto the processor die itself. Promoting third-party co-processors was envisioned as a stepping stone to the advanced CPU designs of the future and a platform for software development needed for those hardware designs.
On June 1, 2006, AMD announced the Torrenza program.
The Torrenza label was applied to both accelerator projects that pre-dated the announcement as well as projects announced later. Intel followed suit by opening up its front side bus to third-party companies, alongside a PCI Express extension project jointly co-developed with IBM codenamed Geneseo.
On September 21, 2006, AMD announced expanded support for the program.
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