Signature-based AV is failing : on average across the AV industry, 40% block rates just after 0-hour of a new malware sample, rising to 60% after 5 days. sounds like the AV industry is losing, if this chart is valid. (via Terry Zink)
(tags: via:tzink malware av fail accuracy detection false-negatives scanners viruses)Sort vs. Hash Revisited: Fast Join Implementation on Modern Multi-Core CPUs [PDF] : sort-and-merge is likely to be faster on future SIMD-capable multicore CPUs RSN
(tags: sort merge hash join databases performance cpu simd multicore)