Speck1 is a system that accelerates powerful security checks on commodity hardware by executing them in parallel on multiple cores. Speck provides an infrastructure that allows sequential invocations of a particular security check to run in parallel without sacri\ufb01cing the safety of the system. Speck creates parallelism in two ways. First, Speck decouples a security check from an application by continuing the application, using speculative execution, while the security check executes in parallel on another core. Second, Speck creates parallelism between sequential invocations of a security check by running later checks in parallel with earlier ones. Speck provides a process-level replay system to deterministically and ef\ufb01ciently synchronize state between a security check and the original process. We use Speck to parallelize three security checks: sensitive data analysis, on-access virus scanning, and taint propagation. Running on a 4-core and an 8-core computer, Speck improves performance4xand7.5xforthesensitivedataanalysischeck,3.3x and 2.8x for the on-access virus scanning check, and 1.6x and 2x for the taint propagation check.<\/p>\n","protected":false},"excerpt":{"rendered":"
Speck1 is a system that accelerates powerful security checks on commodity hardware by executing them in parallel on multiple cores. Speck provides an infrastructure that allows sequential invocations of a particular security check to run in parallel without sacri\ufb01cing the safety of the system. Speck creates parallelism in two ways. First, Speck decouples a security […]<\/p>\n","protected":false},"featured_media":0,"template":"","meta":{"msr-url-field":"","msr-podcast-episode":"","msrModifiedDate":"","msrModifiedDateEnabled":false,"ep_exclude_from_search":false,"_classifai_error":"","msr-author-ordering":null,"msr_publishername":"","msr_publisher_other":"","msr_booktitle":"","msr_chapter":"","msr_edition":"","msr_editors":"","msr_how_published":"","msr_isbn":"","msr_issue":"","msr_journal":"","msr_number":"","msr_organization":"","msr_pages_string":"","msr_page_range_start":"308","msr_page_range_end":"318","msr_series":"","msr_volume":"","msr_copyright":"","msr_conference_name":"Proceedings of the 13th International Conference on Architectural Support for Programming Languages and Operating Systems (ASPLOS '08)","msr_doi":"","msr_arxiv_id":"","msr_s2_paper_id":"","msr_mag_id":"","msr_pubmed_id":"","msr_other_authors":"Edmund B. Nightingale, Daniel Peek, Peter M. 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