code review 8849049: go.talks/2013/go11: add What's new in Go 1.1 talk

go.talks/2013/go11: add What's new in Go 1.1 talk

[adg, 2013-04-30 13:26:35]

Hello golang-dev@googlegroups.com,

I'd like you to review this change to
https://code.google.com/p/go.talks

[DMorsing, 2013-04-30 15:09:56]

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide#newcode123
2013/go1.1.slide:123: The `go`run` command now runs all files in the current
directory if no files are provided. In this sense,
This will be not true once the revert is in.

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide#newcode199
2013/go1.1.slide:199: The `Timer` type has a new method `Reset` that modifies
the timer to expire after a specified duration.
You probably mention in the script for this talk, but it would be nice to
mention that you get around generating garbage this way.

[r, 2013-04-30 16:54:28]

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode35
2013/go1.1.slide:35: Sometimes you want to turn a method into a plain function
(binding it to its receiver).
you might mention the word 'curry'

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode117
2013/go1.1.slide:117: # TODO(adg): example of a blocking profile
memory benchmarks

[dvyukov, 2013-04-30 17:12:52]

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode81
2013/go1.1.slide:81: .play go1.1/race.go
if you want to show the report, I find it useful to run present as:
$ TMPDIR=/a GORACE="strip_path_prefix=pkg/" ./present
this makes the reports much shorter.

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode117
2013/go1.1.slide:117: # TODO(adg): example of a blocking profile
if you want to show a demo profile, the following generates a nice profile:

$ go test -run=none -bench=.* -cpu=8 -blockprofile=prof net/rpc
$ go tool pprof --web rpc.test prof

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode241
2013/go1.1.slide:241: - Tighter coupling of the run-time and network libraries,
resulting in fewer context switches on network operations.
hey, what about the scheduler?

[binet, 2013-05-01 11:15:09]

typo

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode238
2013/go1.1.slide:238: - In-ling of small functions by the gc compilers,
- In-ling
+ In-lining
? (not being a native english speaker, I would have written inlining, but...)

[adg, 2013-05-02 13:26:12]

PTAL

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide#newcode123
2013/go1.1.slide:123: The `go`run` command now runs all files in the current
directory if no files are provided. In this sense,
On 2013/04/30 15:09:56, DMorsing wrote:
> This will be not true once the revert is in.

Removed.

https://codereview.appspot.com/8849049/diff/15001/2013/go1.1.slide#newcode199
2013/go1.1.slide:199: The `Timer` type has a new method `Reset` that modifies
the timer to expire after a specified duration.
On 2013/04/30 15:09:56, DMorsing wrote:
> You probably mention in the script for this talk, but it would be nice to
> mention that you get around generating garbage this way.

Done.

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide
File 2013/go1.1.slide (right):

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode35
2013/go1.1.slide:35: Sometimes you want to turn a method into a plain function
(binding it to its receiver).
On 2013/04/30 16:54:28, r wrote:
> you might mention the word 'curry'

Done.

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode81
2013/go1.1.slide:81: .play go1.1/race.go
On 2013/04/30 17:12:53, dvyukov wrote:
> if you want to show the report, I find it useful to run present as:
> $ TMPDIR=/a GORACE="strip_path_prefix=pkg/" ./present
> this makes the reports much shorter.

Ack

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode117
2013/go1.1.slide:117: # TODO(adg): example of a blocking profile
On 2013/04/30 17:12:53, dvyukov wrote:
> if you want to show a demo profile, the following generates a nice profile:
> 
> $ go test -run=none -bench=.* -cpu=8 -blockprofile=prof net/rpc
> $ go tool pprof --web rpc.test prof

Done.

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode238
2013/go1.1.slide:238: - In-ling of small functions by the gc compilers,
On 2013/05/01 11:15:09, binet wrote:
> - In-ling
> + In-lining
> ? (not being a native english speaker, I would have written inlining, but...)

Done.

https://codereview.appspot.com/8849049/diff/20001/2013/go1.1.slide#newcode241
2013/go1.1.slide:241: - Tighter coupling of the run-time and network libraries,
resulting in fewer context switches on network operations.
On 2013/04/30 17:12:53, dvyukov wrote:
> hey, what about the scheduler?

it was implied by the last point, but i have made it explicit

[r, 2013-05-09 23:14:36]

LGTM

[adg, 2013-05-10 17:17:39]

*** Submitted as
https://code.google.com/p/go/source/detail?r=7597f5c52a13&repo=talks ***

go.talks/2013/go11: add What's new in Go 1.1 talk

R=golang-dev, daniel.morsing, r, dvyukov, seb.binet
CC=golang-dev
https://codereview.appspot.com/8849049