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I am running a very resource intensive application (Kaldi audio transcription) within a Docker container. When comparing with running the same application natively on the host machine, performance is 2 - 3 X worse.

Could anyone shed some light on what might cause this ? I am not sure what would be a good place to start investigating.

Samy Shehata
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  • Which docker image are you using ? What is your host machine (OS, hardware) ? – Edouard Berthe Oct 25 '18 at 08:28
  • A similar question is this: [What is the runtime performance cost of a Docker container?](https://stackoverflow.com/questions/21889053/what-is-the-runtime-performance-cost-of-a-docker-container). – tgogos Oct 25 '18 at 08:44

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The good place to start investigation is actually perf tool, not stackoverflow like described here.

Most likely it is due to the some sort of memory limitations. Kaldi decoding eats a lot of memory.

Nikolay Shmyrev
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