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title: "@axelgneiting The glibc implementation would do that. I bypass libc and just do " author: "NOTimothyLottes" handle: "@NOTimothyLottes" post_url: "https://x.com/NOTimothyLottes/status/2065872197147578751" post_id: "2065872197147578751" timestamp: "2026-06-13 19:01:28" post_count: 2 reply_count: 0 repost_count: 0 like_count: 2 view_count: 198
@NOTimothyLottes — @axelgneiting The glibc implementation would do that. I bypass libc and just do
Post 1 (2026-06-13 16:54:17)
Interesting how on this Linux box, scheduling NOPs like nanosleep of 0 and futex waiting on an already set memory location … both take around 60 microseconds, cannot afford to do many of those per millisecond. Food for thought for high fps targets
Post 2 (2026-06-13 19:01:28)
@axelgneiting The glibc implementation would do that. I bypass libc and just do it manually with perf_event_open syscall and mmap.
