SiSoftware Sandra 21/20/1 (2021 R1) Updates and Fixes

We are pleased to release R1 (version 31.17) update for Sandra 20/21 (2021) with the following changes:

Sandra 20/21 (2021) Press Release

Note: We have also back-ported most of the changes to the R16 (version 30.99) update for Sandra 20/20 (2020) that has also been released at the same time.

Benchmark Support, Updates & Fixes

  • Multi-Core Efficiency Benchmark: renamed to “Inter-Thread Efficiency” Benchmark as it now measures and displays inter-thread/core/module (CCX)/node (die)/pakage (socket) thread latencies.
  • Inter-Thread Efficiency Benchmark: enabled 512-bit/AVX512 inter-thread transfers for higher bandwidth utilisation.
  • Inter-Thread Efficiency Benchmark: reduce latency reported to just one of the
  • All CPU Benchmarks: expanded CPU microcode version from 2 digits to 8 digits (i.e. MC-<cpuid>-<8V>).

Please see our article Processor Multi-Core Efficiency: Inter-Thread Latency & Bandwidth Benchmarking for an in-depth look at the benchmark and an example of its results from a modern processor.

Hardware Support, Updates & Fixes

  • All Benchmarks: initial fix scheduler that fails to detect additional modules/CCXes on AMD Ryzen 3000-series. Please contact us if you have such a processor and can help with troubleshooting. [Note that Ryzen Series 1000, 2000 & 5000 are *not* affected]
  • All Benchmarks: initial fixes for detection that fails to detect TDP/other power values on AMD Mobile Ryzen all series. Please contact us if you have such a processor and can help with troubleshooting.

Additional Support, Updates & Fixes

  • Branding update: all brand images have re-done in high resolution for modern displays.
  • Benchmark Ranker: server has been replaced with a newer/faster server with the latest HTTP updates (HTTP2, BR(otli), etc.)
  • Benchmark Ranker: larger number of reference benchmark results (150/300 from 15/100) downloaded thanks to server update.
  • All websites: Cloudflare CDN to reduce client load times and support times of high load that would overwhelm the Ranker servers and cause DOS.

Reviews using Sandra 20/21:

Update & Download

Commercial version customers can download the free updates from their software distributor; Lite users please download from your favourite download site.

Download Sandra Commercial (Pro/Biz/Eng/Ent)

Download Sandra Lite

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