3 citations · 4 across the 3 of their papers we have counts for
3 papers · 1 filter
Trail: Scalable and Low-Cost Temporal TLB Prefetching via Page-Table-Embedded Deltas
Konstantinos Kanellopoulos, Konstantinos Sgouras, Harsh Songara +2
Address translation is a major bottleneck in data-intensive workloads. TLB prefetching can hide translation latency, but existing spatial prefetchers struggle with irregular access…
Argus: Agentic, Reference-Calibrated, Tree-Guided, System-Software-Level Bottleneck Localization
Vlad-Petru Nitu, Harsh Songara, Konstantinos Sgouras +3
Operating system (OS) code can account for a substantial share of CPU execution time. First, as application logic is offloaded to heterogeneous accelerators (e.g., GPUs), the CPU i…
Valinor: Architectural Support for Fast, Energy-Efficient and Programmable Physical Memory Allocation
Konstantinos Kanellopoulos, Spiros Galanopoulos, Konstantinos Sgouras +7
Physical memory allocation establishes virtual-to-physical mappings on demand. In current systems, each minor page fault traps into the kernel and triggers pipeline flushes, stalls…