Jacob Malloy

Ph.D. Student, Computer Science · University of Tennessee, Knoxville

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About

I'm a Ph.D. student in the CORSys Lab advised by Prof. Michael Jantz. I work on computer systems, mostly garbage collection and memory management in OpenJDK's HotSpot JVM.

Research

• Using Intel Cache Allocation Technology to partition LLC ways between GC and application threads, reducing GC-induced cache pressure.
• Data tiering for ZGC: classifying object hotness and migrating objects between DRAM and persistent memory.
• Letting managed runtimes respond to OS memory pressure by shrinking their heaps on demand.

Publications

• VMem: Enabling Application Management of Physical Memory Resources. ACM, 2025. (Second author)
  DOI: 10.1145/3767110.3767116

Education

• Ph.D., Computer Science, University of Tennessee (2023–present)
• M.S., Computer Science, University of Tennessee (2025)
• B.S., Computer Science, University of Tennessee (2023)

Teaching

Teaching assistant for Systems Programming (3×), Compilers (2×), and Advanced Algorithms at UTK.