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add raspberry pie benchmarks

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romkatv 2019-03-07 12:46:26 +01:00
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@ -147,17 +147,20 @@ Columns define the current directory where the prompt was rendered.
* `~/nerd-fonts` -- [nerd-fonts](https://github.com/ryanoasis/nerd-fonts) git repo
with 4k files.
Here's how the prompt looked like during benchmarking.
![](https://raw.githubusercontent.com/romkatv/powerlevel10k/master/prompt.png)
It was identical in Powerlevel10k and Powerlevel9k. Even though Powerlevel10k can dynamically
switch to async prompts, it wasn't happening here because latencies were low. Prompts with both
themes were essentially synchronous with every prompt having up-to-date git info.
_This table used to have another column for Linux kernel git repo, which is massive. It's
been removed because it's not a fair comparison. Powerlevel10k automatically detects that
fetching git status is slow and switches to async prompt generation, which allows it to
achieve 2 ms prompt latency but not all its prompt have up-to-date git info. Those that don't,
have vcs segment greyed out._
Here's how the prompt looked like during benchmarking (identical by design in Powerlevel9k and
Powerlevel 10k):
![](https://raw.githubusercontent.com/romkatv/powerlevel10k/master/prompt.png)
Configuration that was used:
```zsh
@ -176,6 +179,9 @@ POWERLEVEL9K_BACKGROUND_JOBS_BACKGROUND=orange1
POWERLEVEL9K_BACKGROUND_JOBS_FOREGROUND=black
function custom_rprompt() echo -E "hello world"
sleep 86400 & # spawn two background jobs
sleep 86400 &
```
Here's the same benchmark for Windows Subsystem for Linux (WSL) with zsh running in the standard
@ -191,6 +197,22 @@ Command Prompt (`cmd.exe`).
The fastests results are probably limited by the key repeat rate.
Here's Raspberry Pie 3. I replaced [nerd-fonts](https://github.com/ryanoasis/nerd-fonts) repo with
[git](https://github.com/git/git) in this benchmark becase the former didn't fit on my SD card.
Git repo had 3.6k files, so about the same size. I set `POWERLEVEL9K_VCS_MAX_SYNC_LATENCY_SECONDS=1`
to prevent Powerlevel10k from switching to async prompts. The default threshold is 0.05, or 50 ms,
after which Powerlevel10k will go async (git latency in ~/git was close to 100 ms, so above the
default 50 ms). Naturally, async is a good thing, so you shouldn't disable it in your configs. I
only did it to measure sync latency.
| Theme | / | ~/git |
|---------------------|----------:|-----------:|
| powerlevel9k/master | 312 ms | 584 ms |
| **powerlevel10k** | **15 ms** | **108 ms** |
| naked zsh | 1 ms | 1 ms |
The `next` branch of Powerlevel9k didn't work on Raspberry Pie, so I couldn't benchmark it.
## What's the catch?
Really, there is no catch. It's literally the same prompt with the same flexibility