Revised AVX-512 xor_gen() Implementation For Linux RAID Yielding More Performance Gains
A few days back I wrote about Google's Eric Biggers spearheading an AVX-512 implementation of xor_gen() as the Linux kernel function used for generating and validating parity blocks such as for RAID5/RAID6. That initial implementation was yielding up to 41% better performance while a new implementation has now been posted for scoring some additional victories...
The ongoing push for greater compute efficiency and performance, particularly in data center and AI infrastructure, drives continuous optimization efforts in fundamental software components.
Improved RAID performance directly translates to more efficient data storage, processing, and resilience, which is critical for all large-scale computing operations including AI and cloud services.
Linux systems, particularly those relying on software RAID, will see significant performance gains for parity-intensive operations, reducing computational overhead and potentially allowing for denser storage configurations.
- · Cloud providers
- · Data centers
- · Hardware manufacturers (CPUs with AVX-512)
- · Linux-based enterprises
Linux servers and storage arrays will operate more efficiently with lower CPU utilization for RAID tasks.
This efficiency gain could reduce operational costs for large-scale data infrastructure and improve overall system responsiveness.
Enhanced foundational software performance contributes to the broader trend of optimizing compute supply chains, indirectly supporting more demanding applications like AI at scale.
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Read at Phoronix