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Pyroscope

Y Combinator 2021 · Acquired B2B Engineering, Product and Design pyroscope.io

Open source continuous profiling software to debug performance issues

Y Combinator's description, shown to identify the company. We rate the name, not the business.

Formerly Ignite

Evocativity EVOC : yellow
Pyro and scope evoke inspecting profiling flame graphs for insiders
Brevity BREV : yellow
9 letters, 3 syllables. Up to seven letters is green, eight at two syllables too; up to ten yellow, eleven or more red.
Greppability GREP : green
Found inside 1 other dictionary word.
Googlability GOOG : yellow
The older heat-observation instrument term supplies competition
Pronounceability PRON : green
The recognizable pyro-scope pattern reads readily
Spellability SPEL : yellow
The borrowed pyro spelling needs confirmation
Verbability VERB : red
No natural continuous-profiling verb
Nominology
53
All seven dimensions and .com ownership, weighted as set out on Methodology.
Fluency
80
Brevity and pronounceability only: the subset with published outcome evidence behind it.
PG grade
1 / 4
Graham's own four-step ladder.
Exact .com
Not owned
Shape
real word
Length
9 chars, 3 syllables
Distinctiveness
suggestive

Watkins SCRATCH flags

  • Curse-of-knowledge

Rubric version 2026.10.20-1, judged by gpt-6.1-sol (agent). This scores the name only. See Methodology.

These judged dimensions came from an AI agent working through the judging queue in a chat, on the same rubric the scoring pipeline sends. The agent passed the calibration exam before its work was accepted, and each batch it judged hid two names with known answers as a check. The model is named as the agent reported it.