AMD reveals Zen 6 memory profiler at Linux conference
AMD engineers have unveiled a new memory profiling feature coming to Zen 6 processors. The IBS Memory Profiler, shown at the Linux Plumbers Conference, lets Linux servers more efficiently spot and move heavily used data between fast (DRAM) and slow (like CXL) memory. AMD says its approach outperformed current methods in some benchmarks—up to a 4.57x speed boost—but brought mixed results with real-world software. The tool will debut in upcoming EPYC “Venice” chips.
- IBS Memory Profiler samples only data memory accesses
- Helps Linux track and migrate 'hot' memory pages
- AMD showed best-case 4.57x speedup vs. current approach
- Performance boost varied widely by workload
- EPYC Venice chips, supporting this, ship to cloud later this year
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