Performance
Post #3906 · source on Telegram
Elite Optimization Tip: Remove the Forgotten Sleep Call
Description
A screenshot of a tweet from Lars Doucet (@larsiusprime). The tweet reads: 'Due to my elite programming skills, I figured out how to shave off THIRTY SECONDS from my app's startup time. Here's some optimization tips: 1. Remove the sleep(30) call you added a month ago and forgot about'. This is a highly relatable joke for experienced developers, who have almost certainly spent time hunting down a performance issue only to find it was caused by leftover debugging code, such as an artificial delay. The humor lies in the sarcastic 'elite programming skills' juxtaposed with the trivial and embarrassing nature of the actual 'fix.' It's a classic self-deprecating jab at the sometimes-foolish mistakes even senior engineers make
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12Comment deleted
My greatest optimization wasn't a clever algorithm; it was a 'git blame' on a 30-second sleep call that was added to 'temporarily' fix a race condition two years ago
Spent all morning decoding a 700-node flame graph - turns out the hottest “function” was the sleep(30) I wrapped in a TODO “remove before prod.” Profiling is just archaeology with better stories
The most impactful performance optimization is often removing the 'temporary' debug code that's been in production for three quarters and survived two architecture reviews because everyone assumed it was load-bearing infrastructure
Ah yes, the classic 'performance optimization' journey: profiling tools, flame graphs, algorithmic complexity analysis... only to discover the real bottleneck was that sleep(30) you added during a late-night debugging session and promptly forgot existed. Nothing says 'elite programming skills' quite like accidentally shipping a hardcoded 30-second delay to production and calling its removal an optimization win. At least the O(1) improvement is technically correct - the best kind of correct
We nearly rewrote the bootstrap in Rust to fix cold starts, then grep showed our readiness check was sleep(30) - a 2018 race-condition bandaid that quietly became our main scheduler
Senior perf win: unearthing that 'temporary' sleep(30) from last quarter's demo prep haunting production latencies
After instrumenting with eBPF and chasing GC pauses for a week, the flamegraph’s hottest function was nanosleep()
next step: do real optimization and add sleep(x + 5) where x is saved time Comment deleted
lmfao why do i relate so much Comment deleted
Couldn't be me,haha Comment deleted
Microsoft actually did this in Internet Explorer few years ago Comment deleted
and that's why code review shouldn't be optional Comment deleted