KPTI + Retpoline Linux Benchmarking On Older Clarksfield / Penryn ThinkPads
Written by Michael Larabel in Software on 11 January 2018. Page 3 of 6. 35 Comments

The Go build test saw its performance drop by a few percent with KPTI + Retpoline while the Golang JSON parsing and garbage collection tests were less affected on these Lenovo ThinkPad computers.

GraphicsMagick as another largely CPU-bound test didn't see a statistically significant change in performance.

Compiling the Apache web server was about 5% slower on the older ThinkPads while just shy of 2% slower on the X1 Broadwell laptop.

While the kernel compilation test came in at under 4% slower on the older laptops.

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