Word
profiler
Phoneticspro·fil·er
Countable noun
Definition
n. a tool that measures how a computer program runs and shows which parts are slow or use a lot of memory. You use it to find problems and make software faster.
n. a software tool that measures execution time, memory use, or call frequency within a program to identify performance bottlenecks.
Examples
“The developer uses a profiler to find slow code.”
“The team runs a profiler on the new app to see why the checkout page takes five seconds to load.”
“After weeks of unexplained slowdowns, the engineers attach a profiler to the production service and discover that a single unindexed database query consumes nearly eighty percent of response time.”
Examples
simple
“The developer uses a profiler to find slow code.”
contextual
“The team runs a profiler on the new app to see why the checkout page takes five seconds to load.”
complex
“After weeks of unexplained slowdowns, the engineers attach a profiler to the production service and discover that a single unindexed database query consumes nearly eighty percent of response time.”
Collocations
Common phrases and expressions where native English speakers use the word “profiler” in context.
Verb
01. attach profiler
“Attach the profiler to the running process without restarting it.”
verb + noun
02. enable profiler
“Enable the profiler in staging to capture realistic performance data.”
verb + noun
03. launch profiler
“Launch the profiler from the IDE before debugging the API.”
verb + noun
Adjective
04. built-in profiler
“Python comes with a built-in profiler for quick performance checks.”
adj + noun
05. cpu profiler
“The CPU profiler showed that rendering took 70% of processing time.”
adj + noun
06. memory profiler
“We used a memory profiler to track down the leak in the image cache.”
adj + noun
07. performance profiler
“Open the performance profiler before you start the load test.”
adj + noun
Noun
08. data from profiler
“Data from the profiler helped us cut startup time in half.”
noun + prep + noun
09. output of profiler
“The output of the profiler pointed to an inefficient sorting routine.”
noun + prep + noun
10. attach the profiler to process
“You can attach the profiler to the process without stopping the server.”
11. check the profiler output
“Check the profiler output to see which method is slowest.”
12. enable profiler during testing
“Always enable the profiler during testing to catch regressions early.”
Related words
Domain
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.C1 AdvancedIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.7.0–8.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 5.0–5.595–113TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.945–990
- Frequency
- Occasional
- Level
- C1 · Advanced
- Updated
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QR code
englishreference.com/q/profiler