Yhn SciencePhysics first seen 5 d ago, last 20 min ago, peak #8
Linux patches cut early boot memory allocator time dramatically
Original: Linux's Early Boot-Time Physical Memory Allocator Big Speed-Up: ~268s to ~50ms
A change to Linux's early boot-time physical memory allocator (memblock) is reported to shrink its runtime from roughly 268 seconds to about 50 milliseconds, a speed-up of thousands of times. The optimization is slated for the Linux 7.4 kernel cycle and targets how the kernel sets up physical memory during startup. Kernel and performance enthusiasts are discussing how such a large improvement was possible and what it means for boot times on large-memory systems.
Why now: A reported thousands-fold speed-up in core kernel boot code is a striking engineering result that naturally draws attention from developers and Linux users.
LinuxmemblockLinux 7.4Phoronix
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