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3 Commits

Author SHA1 Message Date
Shenghou Ma
13075ed416 test/bench/go1: use raw string instead of string addition
to reduce compile time memory/stack usage.
Update #4970
$ go test -c ../test/bench/go1
before:
0.36user 0.07system 0:00.44elapsed 100%CPU
(0avgtext+0avgdata 540720maxresident)k
0inputs+19840outputs (0major+56451minor)pagefaults 0swaps
after:
0.33user 0.05system 0:00.39elapsed 100%CPU
(0avgtext+0avgdata 289936maxresident)k
0inputs+19864outputs (0major+29615minor)pagefaults 0swaps

And stack usage is reduced to below 1MiB.

R=golang-dev, r, dave
CC=golang-dev
https://golang.org/cl/7436050
2013-03-05 04:23:37 +08:00
Shenghou Ma
6b4ae1d28e test/bench/go1: fix gzip test
We can't depend on init() order, and certainly we don't want to
register all future benchmarks that use jsonbytes or jsondata to init()
in json_test.go, so we use a more general solution: make generation of
jsonbytes and jsondata their own function so that the compiler will take
care of the order.

R=golang-dev, dave, rsc
CC=golang-dev
https://golang.org/cl/6282046
2012-06-05 00:14:39 +08:00
Russ Cox
6e8875551a test/bench/go1: first draft of Go 1 benchmark suite
I have included a few important microbenchmarks,
but the overall intent is to have mostly end-to-end
benchmarks timing real world operations.

The jsondata.go file is a summary of agl's
activity in various open source repositories.
It gets used as test data for many of the benchmarks.

Everything links into one binary (even the test data)
so that it is easy to run the benchmarks on many
computers: there is just one file to copy around.

R=golang-dev, r, bradfitz, adg, r
CC=golang-dev
https://golang.org/cl/5484071
2011-12-15 12:32:59 -05:00