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← A performance test without an explanation of its limiting factor…
17 connected korrents · 16 moments on record from 26 Apr 2023 to 14 Sept 2026.
Everything filed under capitalism
capitalism
Everything filed under startups
startups
Everything filed under stock market
stock market
Everything filed under benchmarks
benchmarks
Everything filed under management
management
Everything filed under demographics
demographics
Everything filed under software performance
software performance
Everything filed under ambition
ambition Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus. A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus. Last stated a year ago
3 Aug 2025
BG
Brendan Gregg — holds since 2025-08-03 — tap for who they are
Same subject: Numbers offer a false precision: which metrics you choose to look at, and whether a five percent rise is good, are both art rather than science. — tap to centre the map on it Numbers offer a false precision: which metrics you choose to look at, and whether a five percent rise is good, are both art rather than science. Last stated a year ago
21 Sept 2025
JZ
Julie Zhuo — holds since 2025-09-21 — tap for who they are
Same subject: Running a model five times and keeping the best answer buys a higher benchmark score without buying a better model. — tap to centre the map on it Running a model five times and keeping the best answer buys a higher benchmark score without buying a better model. Last stated 3 months ago
26 Jun 2026
NB
Noam Brown — holds since 2026-06-26 — tap for who they are
Same subject: Ruling out every measurable cause because none explains all the variation, and putting an unmeasured one in their place, is not an explanation. — tap to centre the map on it Ruling out every measurable cause because none explains all the variation, and putting an unmeasured one in their place, is not an explanation. Last stated a month ago
20 Aug 2026
LS
Lyman Stone — holds since 2026-08-20 — tap for who they are
Same subject: A benchmark result should be reported under a stated budget, or as a curve against test-time compute — never as a single number. — tap to centre the map on it A benchmark result should be reported under a stated budget, or as a curve against test-time compute — never as a single number. Last stated 3 months ago
26 Jun 2026
NB
Noam Brown — holds since 2026-06-26 — tap for who they are
Same subject: The evidence from the largest software companies says programmers should take performance more seriously than they do, not less. — tap to centre the map on it The evidence from the largest software companies says programmers should take performance more seriously than they do, not less. Last stated 3 years ago
26 Apr 2023
CM
Casey Muratori — holds since 2023-04-26 — tap for who they are
Same subject: Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time. — tap to centre the map on it Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time. Last stated a month ago
14 Aug 2026
DS
Daniel Stenberg — holds since 2026-08-14 — tap for who they are
Same subject: The annual performance review is disruptive and surfaces nothing you did not already know but had avoided acting on. — tap to centre the map on it The annual performance review is disruptive and surfaces nothing you did not already know but had avoided acting on. Last stated a month ago
7 Aug 2026
MH
Max Hodak — holds since 2026-08-07 — tap for who they are
Same subject: Effort that produces no visible improvement is being stored rather than wasted, because results arrive at a threshold instead of steadily. — tap to centre the map on it Effort that produces no visible improvement is being stored rather than wasted, because results arrive at a threshold instead of steadily. Last stated 9 months ago
1 Jan 2026
JC
James Clear — holds since 2026-01-01 — tap for who they are
Same subject: A "good business" now means one that can display quarter-on-quarter stock growth, not one that makes good products at a fair price. — tap to centre the map on it A "good business" now means one that can display quarter-on-quarter stock growth, not one that makes good products at a fair price. Last stated a year ago
21 May 2025
EZ
Ed Zitron — holds since 2025-05-21 — tap for who they are
Same subject: Almost all of the dot-com era's exuberance turned out to be warranted; we remember the failures and forget the value that era created. — tap to centre the map on it Almost all of the dot-com era's exuberance turned out to be warranted; we remember the failures and forget the value that era created. Last stated a year ago
18 Aug 2025
BT
Bret Taylor — holds since 2025-08-18 — tap for who they are
Same subject: Almost no mutual fund earns the fees it charges, so most investors are better off buying an index fund. — tap to centre the map on it Almost no mutual fund earns the fees it charges, so most investors are better off buying an index fund. Last stated 3 years ago
20 Feb 2024
BA
Bill Ackman — holds since 2024-02-20 — tap for who they are
Same subject: A market economy rewards putting land under campsites and horse liveries rather than under food, and that is the wrong thing to reward. — tap to centre the map on it A market economy rewards putting land under campsites and horse liveries rather than under food, and that is the wrong thing to reward. Last stated 3 years ago
9 Dec 2023
CS
Chris Smaje — holds since 2023-12-09 — tap for who they are
Same subject: A sophisticated economy cannot be centrally planned, because planning removes the price signal that carries information about demand. — tap to centre the map on it A sophisticated economy cannot be centrally planned, because planning removes the price signal that carries information about demand. Last stated a year ago
2 Sept 2025
BE
Benedict Evans — holds since 2025-09-02 — tap for who they are
Same subject: AI will raise capitalists' incomes and the capital share of income, increasing inequality. — tap to centre the map on it AI will raise capitalists' incomes and the capital share of income, increasing inequality. Last stated a week ago
14 Sept 2026
BM
Branko Milanovic — holds since 2026-09-14 — tap for who they are
Same subject: “Why now?” is the wrong question to make a founder answer — the honest answer can simply be that you started now. — tap to centre the map on it “Why now?” is the wrong question to make a founder answer — the honest answer can simply be that you started now. Last stated 2 months ago
28 Jul 2026
BS
Blake Scholl — holds since 2026-07-28 — tap for who they are
Same subject: A belief nobody else shares is a warning, and a belief everybody shares is also a warning; the right number of people who agree with you is small but not zero. — tap to centre the map on it A belief nobody else shares is a warning, and a belief everybody shares is also a warning; the right number of people who agree with you is small but not zero. Last stated 2 months ago
28 Jul 2026
SA
Sam Altman — holds since 2026-07-28 — tap for who they are
Same subject: A company with ten customers has no data, and a growth team cannot function without data. — tap to centre the map on it A company with ten customers has no data, and a growth team cannot function without data. Last stated 2 years ago
19 Jan 2025
EV
Elena Verna — holds since 2025-01-19 — tap for who they are
At the centre
A performance test without an explanation of its limiting factor should be treated as unanalyzed and possibly bogus.
Holds Read this korrent →
Numbers offer a false precision: which metrics you choose to look at, and whether a five percent rise is good, are both art rather than science.
Holds
Running a model five times and keeping the best answer buys a higher benchmark score without buying a better model.
Holds
Ruling out every measurable cause because none explains all the variation, and putting an unmeasured one in their place, is not an explanation.
Holds
A benchmark result should be reported under a stated budget, or as a curve against test-time compute — never as a single number.
Holds
The evidence from the largest software companies says programmers should take performance more seriously than they do, not less.
Holds
Performance test results are highly dependent on the specific machine, library versions, and other components used, making them hard to compare over time.
Holds
The annual performance review is disruptive and surfaces nothing you did not already know but had avoided acting on.
Holds
Effort that produces no visible improvement is being stored rather than wasted, because results arrive at a threshold instead of steadily.
Holds
A "good business" now means one that can display quarter-on-quarter stock growth, not one that makes good products at a fair price.
Holds
Almost all of the dot-com era's exuberance turned out to be warranted; we remember the failures and forget the value that era created.
Holds
Almost no mutual fund earns the fees it charges, so most investors are better off buying an index fund.
Holds
A market economy rewards putting land under campsites and horse liveries rather than under food, and that is the wrong thing to reward.
Holds
A sophisticated economy cannot be centrally planned, because planning removes the price signal that carries information about demand.
Holds
AI will raise capitalists' incomes and the capital share of income, increasing inequality.
Holds
“Why now?” is the wrong question to make a founder answer — the honest answer can simply be that you started now.
Holds
A belief nobody else shares is a warning, and a belief everybody shares is also a warning; the right number of people who agree with you is small but not zero.
Holds
A company with ten customers has no data, and a growth team cannot function without data.
Holds