Cache Aware Scheduling Shows Nice Wins For AMD Zen 5 On PostgreSQL, Valkey, Network Performance

Written by Michael Larabel in Software on 27 May 2026 at 10:00 AM EDT. Page 2 of 4. 10 Comments.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Latency, Threads: 8. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Latency, Threads: 16. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Latency, Threads: 64. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: UDP, Test: Bandwidth, Threads: 8. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Bandwidth, Threads: 16. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Bandwidth, Threads: 32. Cache Aware Scheduling was the fastest.

👁 Ethr benchmark with settings of Server Address: localhost, Protocol: TCP, Test: Bandwidth, Threads: 64. Cache Aware Scheduling was the fastest.

Microsoft's Ethr network benchmark was showing Cache Aware Scheduling leading to lower network latency as well as higher throughput when dealing with multiple instances of Ethr running on this AMD Zen 5 Threadripper system.

👁 Xcompact3d Incompact3d benchmark with settings of Input: Pipe Flow. CAS Disabled was the fastest.

👁 Xcompact3d Incompact3d benchmark with settings of Input: Turbulent Boundary Layer. CAS Disabled was the fastest.

👁 OpenRadioss benchmark with settings of Model: Bird Strike on Windshield. Cache Aware Scheduling was the fastest.

👁 DaCapo Benchmark benchmark with settings of Java Test: PMD Source Code Analyzer. Cache Aware Scheduling was the fastest.

👁 Renaissance benchmark with settings of Test: Random Forest. Cache Aware Scheduling was the fastest.

👁 Renaissance benchmark with settings of Test: Finagle HTTP Requests. Cache Aware Scheduling was the fastest.

👁 OCUDU benchmark with settings of Test: PUSCH Processor Benchmark, Throughput Total. Cache Aware Scheduling was the fastest.

For many of the HPC benchmarks there wasn't any real performance benefit observed at least on this Threadripper 9980X workstation from System76.

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URL: https://www.phoronix.com/review/cache-aware-scheduling-hedt/2

⇱ Cache Aware Scheduling Shows Nice Wins For AMD Zen 5 On PostgreSQL, Valkey, Network Performance - Phoronix

Cache Aware Scheduling Shows Nice Wins For AMD Zen 5 On PostgreSQL, Valkey, Network Performance