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turbonss/docs/development.md

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2022-08-21 06:08:21 +03:00
Profiling
---------
Prepare `profile.data`:
```
zig build -Drelease-small=true && \
perf record --call-graph=dwarf \
zig-out/bin/turbonss-unix2db --passwd passwd --group group
```
Perf interactive:
```
perf report -i perf.data
```
Flame graph:
```
perf script | inferno-collapse-perf | inferno-flamegraph > profile.svg
```
For v2
------
These are desired for the next DB format:
- Compress strings with fsst.
- Trim first 4 bytes from the cmph headers.
Dependencies
------------
This project uses [git subtrac][git-subtrac] for managing dependencies. They
work just like regular submodules, except all the refs of the submodules are in
this repository. Repeat after me: all the submodules are in this repository.
So if you have a copy of this repo, dependencies will not disappear.
2022-11-20 13:33:05 +02:00
[git-subtrac]: https://apenwarr.ca/log/20191109