Practical, transparent operating system support for superpages Export

@inproceedings{superpages-osdi02, abstract = {Most general-purpose processors provide support for memory pages of large sizes, called superpages. Superpages enable each entry in the translation lookaside buffer (TLB) to map a large physical memory region into a virtual address space. This dramatically increases TLB coverage, reduces TLB misses, and promises performance improvements for many applications. However, supporting superpages poses several challenges to the operating system, in terms of superpage allocation and promotion tradeoffs, fragmentation control, etc. We analyze these issues, and propose the design of an effective superpage management system. We implement it in FreeBSD on the Alpha CPU, and evaluate it on real workloads and benchmarks. We obtain substantial performance benefits, often exceeding 30\%; these benefits are sustained even under stressful workload scenarios.}, address = {New York, NY, USA}, author = {Navarro, Juan and Iyer, Sitaram and Druschel, Peter and Cox, Alan}, booktitle = {OSDI '02: Proceedings of the 5th symposium on Operating systems design and implementation <h3>Due to copyright restrictions we are not able to make the PDFs for this conference available for downloading</h3>}, citeulike-article-id = {3409652}, citeulike-linkout-0 = {http://portal.acm.org/citation.cfm?id=1060299}, citeulike-linkout-1 = {http://dx.doi.org/10.1145/1060289.1060299}, doi = {10.1145/1060289.1060299}, keywords = {khb, osdi, superpages, val}, location = {Boston, Massachusetts}, pages = {89--104}, posted-at = {2008-10-15 15:48:28}, priority = {2}, publisher = {ACM}, title = {Practical, transparent operating system support for superpages}, url = {http://dx.doi.org/10.1145/1060289.1060299}, year = {2002} }

TY - CONF ID - superpages-osdi02 L3 - citeulike-article-id:3409652 N2 - Most general-purpose processors provide support for memory pages of large sizes, called superpages. Superpages enable each entry in the translation lookaside buffer (TLB) to map a large physical memory region into a virtual address space. This dramatically increases TLB coverage, reduces TLB misses, and promises performance improvements for many applications. However, supporting superpages poses several challenges to the operating system, in terms of superpage allocation and promotion tradeoffs, fragmentation control, etc. We analyze these issues, and propose the design of an effective superpage management system. We implement it in FreeBSD on the Alpha CPU, and evaluate it on real workloads and benchmarks. We obtain substantial performance benefits, often exceeding 30%; these benefits are sustained even under stressful workload scenarios. CY - Boston, Massachusetts AD - New York, NY, USA EP - 104 TI - Practical, transparent operating system support for superpages PB - ACM T2 - OSDI '02: Proceedings of the 5th symposium on Operating systems design and implementation <h3>Due to copyright restrictions we are not able to make the PDFs for this conference available for downloading</h3> SP - 89 KW - khb KW - osdi KW - superpages KW - val AU - Navarro, Juan AU - Iyer, Sitaram AU - Druschel, Peter AU - Cox, Alan PY - 2002/// UR - http://dx.doi.org/10.1145/1060289.1060299 ER -