Notes on the Complexity of Measuring True
Performance Differences with DAW Stress Tests
©AGRONOVA/Anders Fahlén
18.01.2006 Version 1.0
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Impacts of memory timing & bandwidth differences on DAW stress test results
CPU frequency and memory bandwidth/timings have significant impacts on audio stress test results – keeping other variables constant. The performance difference usually increases as latency setting values become smaller as illustrated by the following graphs:
Figure 3. Influence of CPU frequency on CPU load (%) as measured by the Sonar 3 test. All other BIOS/Host software settings and hardware configurations kept constant. Input data based on user reports submitted to the Sonar forum.
Figure 4. Influence of memory timings on CPU load (%) as measured by the Sonar 3 test. All other BIOS/Software settings and hardware configuration kept constant. Input data based on user reports submitted to the Sonar forum.
Figure 5. Influence of host multiprocessing mode on CPU load (%) with AMD 64 X2 dual-core CPU as measured by the Sonar 3 test. All other BIOS/Software settings and hardware configuration kept constant. Input data based on user reports submitted to the Sonar forum.
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