Delve: Extremely slow startup of debug for specific project

[delaneyj]

1. What version of Delve are you using (dlv version)?
   Version 1.0.0-rc1
   Build: b6077a6

2. What version of Go are you using? (go version)?
   1.9 windows/amd64

3. What operating system and processor architecture are you using?
   Windows10 Pro 64bit

4. What did you do?

go get -u github.com/goxjs/example/tree/master/triangle
cd $GOPATH/github.com/goxjs/example/tree/master/triangle
go run main.go #Less than 2 seconds 
dlv debug main.go #Between 60-90s

1. What did you expect to see?
   Generally similar startup times, or some details of what could be causing the slow down.

2. What did you see instead?
   30-40x slow down in startup.

[aarzilli]

It's recompiling all dependencies with optimizations disabled which unfortunately can not be cached: https://github.com/golang/go/issues/19340

[ITSecMedia]

This issue is currently an extreme pain.

[Kliton]

Any update?

[jkryanchou]

I would try gdb to replace delve by using go install -v <package> to compile with cached.