F5F Stay Refreshed Software Operating Systems Significant variations observed in WSL2 performance when comparing 5950X and 12900K under Windows 10 21H2.

Significant variations observed in WSL2 performance when comparing 5950X and 12900K under Windows 10 21H2.

Significant variations observed in WSL2 performance when comparing 5950X and 12900K under Windows 10 21H2.

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NiKaiA
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10-27-2021, 08:16 AM
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I'm not sure if anyone has encountered this before, but I was evaluating my 100 Gbps Infiniband network in Windows 10 21H2 using WSL2 and Cygwin. The speeds varied greatly between my AMD Ryzen 9 5950X and Intel Core i9-12900K systems. Both had 128 GB RAM, a Mellanox ConnectX-4 card with dual VPI 100 Gbps ports, and a direct-attached cable to an external managed switch. They also used a 1 TB HDD with 7200 rpm. Both ran Windows 10 21H2 (new install). You have any insights on why performance differences are so large between WSL2 and Cygwin?
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N
NiKaiA
10-27-2021, 08:16 AM #1

I'm not sure if anyone has encountered this before, but I was evaluating my 100 Gbps Infiniband network in Windows 10 21H2 using WSL2 and Cygwin. The speeds varied greatly between my AMD Ryzen 9 5950X and Intel Core i9-12900K systems. Both had 128 GB RAM, a Mellanox ConnectX-4 card with dual VPI 100 Gbps ports, and a direct-attached cable to an external managed switch. They also used a 1 TB HDD with 7200 rpm. Both ran Windows 10 21H2 (new install). You have any insights on why performance differences are so large between WSL2 and Cygwin?

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