#производительность
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Linux 7.4 makes a RISC-V memory copy optimization portable
The RISC-V architecture changes have been merged into Linux 7.4. The main one moves the decision to skip software alignment during memory copies to run time, so distribution kernel builds can now use the optimization.
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Apollo economist: AI brings ‘zero financial payoff’ to most companies
Torsten Slok, chief economist at Apollo Global Management, argues that outside the tech sector AI has so far made no difference to corporate America's bottom line.
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Arm Brings TLBID to Linux to Boost High-Core-Count CPUs
Arm has posted an initial set of Linux kernel patches for TLBI Domains, a feature meant to cut overhead on server CPUs packed with cores.
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io_uring learns to swap thread identities for the sake of speed
io_uring maintainer Jens Axboe has proposed a radical way to shed the overhead of asynchrony: if an operation ends up blocking anyway, the kernel swaps the "identities" of two threads.
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The Linux 7.4 Kernel Will Open Files for Reading Nearly 40% Faster
A small optimization of the do_open() function in the VFS subsystem, more than two years in the making, promises a noticeable boost in the speed of opening files for reading.
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Shitty: a terminal with a dumb name and serious ambitions
The author, pg83, has unveiled Shitty — a terminal emulator that, judging by the benchmarks, outpaces alacritty, kitty and ghostty, while openly admitting to being “memory-unsafe.”