scala-cli runs are slower than sbt?

[soronpo]

Describe the bug

Rerunning the same code again and again with scala-cli is slow, whereas sbt runs much quicker

Scastie snippet link

No response

To Reproduce

1. Create a new worksheet with just println("hello")
2. Click multiple times on run and it runs fairly quick
3. Change setup to scala-cli.
4. Click multiple times on run and it remains "sending task to the server" too long compared to the sbt run

Expected behavior

The scala-cli runtime should be the same if not faster than sbt

Screenshot ( Optional )

No response

Version

Scastie website

What browsers are you seeing the problem on?

Firefox

Relevant log output

[rochala]

This is because we reload the build on every compilation. In SBT we try to match the config so that we can go directly from task to compile:

sbt> reload
sbt> compile

on second run with same config:

sbt> compile

[rochala]

We should port that into scala-cli. That may only be one part why it is slow though.