Race detector dogfood

Dmitry Vyukov

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Oct 10, 2012, 3:01:37 PM10/10/12

to golang-dev

Good news everyone!

I've finished committing data race detector patches today.

You are welcome to dogfood it. To run you tests "go test -race", to build a program "go build -race". And you need to sync to tip. It works only on linux/darwin/amd64 for now.

The race detector slows down execution considerably and increases memory consumption.

I am interested in:

1. Bug reports.

2. False positives.

3. Success stories.

4. Any other comments and suggestions.

TIA

Tarmigan

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Oct 10, 2012, 8:54:54 PM10/10/12

to golang-dev

That is really cool!

Could you write a blog post about it at some point (maybe for go1.1)
or is there some documentation about the design and how it works?

Thanks,
Tarmigan

Dave Cheney

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Oct 10, 2012, 11:34:49 PM10/10/12

to Tarmigan, golang-dev

Yes! Fantastic work, and double points for the Futurama reference.

Can I ask, http://build.golang.org/log/61e43a328fb220801d3d5c88cd91916cfc5dc43c,
is this issue already reported, or is it new ?

Vladimir Mihailenco

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Oct 14, 2012, 9:32:27 AM10/14/12

to Dave Cheney, Tarmigan, golang-dev

I've tried to run changeset 14624:fc8137c00f9c on https://github.com/vmihailenco/redis tests. It consumed all my free memory: 1.3 gb and 18gb virt memory according to htop output. I waited > 5 mins, but tests were not finished and I reset my PC. I am at x64 Ubuntu 12.04.

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