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Upgrade to Go 1.4

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This change set upgrades Prometheus to use Go 1.4
The other modifications were intended to compare benchmarks between the
old and new versions using `golang.org/x/tools/cmd/benchcmp`.

```
benchmark                                old ns/op      new ns/op     delta
BenchmarkTargetManager-8                 38866          19355         -50.20%
BenchmarkTargetPool-8                    114763         58989         -48.60%
BenchmarkFingerprintLockerParallel-8     747            752           +0.67%
BenchmarkFingerprintLockerSerial-8       39.0           39.1          +0.26%
BenchmarkAppend-8                        2020           2553          +26.39%
BenchmarkFuzz-8                          1185584705     506752314     -57.26%
BenchmarkLabelPairs-8                    753            903           +19.92%

benchmark                                old allocs     new allocs     delta
BenchmarkTargetManager-8                 41             46             +12.20%
BenchmarkTargetPool-8                    682            460            -32.55%
BenchmarkFingerprintLockerParallel-8     0              0              +0.00%
BenchmarkFingerprintLockerSerial-8       0              0              +0.00%
BenchmarkAppend-8                        11             15             +36.36%
BenchmarkFuzz-8                          2269055        1061400        -53.22%
BenchmarkLabelPairs-8                    12             12             +0.00%

benchmark                                old bytes      new bytes     delta
BenchmarkTargetManager-8                 8755           7160          -18.22%
BenchmarkTargetPool-8                    82621          41342         -49.96%
BenchmarkFingerprintLockerParallel-8     0              0             +0.00%
BenchmarkFingerprintLockerSerial-8       0              0             +0.00%
BenchmarkAppend-8                        289            293           +1.38%
BenchmarkFuzz-8                          2307248006     586094916     -74.60%
BenchmarkLabelPairs-8                    316            304           -3.80%
```
This commit is contained in:
Tomás Senart 2014-12-15 13:47:14 +01:00
parent f2052c9c0d
commit 09c58ce481
3 changed files with 4 additions and 3 deletions
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1
.gitignore vendored
View file

@ -27,6 +27,7 @@ core
*-stamp
prometheus
benchmark.txt
.#*
command-line-arguments.test

4
Makefile
View file

@ -49,8 +49,8 @@ tag:
$(BUILD_PATH)/cache/$(GOPKG):
$(CURL) -o $@ -L $(GOURL)/$(GOPKG)
benchmark: test
$(GO) test $(GO_TEST_FLAGS) -test.bench='Benchmark' ./...
benchmark: config dependencies tools
$(GO) test $(GO_TEST_FLAGS) -test.run='NONE' -test.bench='.*' -test.benchmem ./... | tee benchmark.txt
clean:
$(MAKE) -C $(BUILD_PATH) clean

2
Makefile.INCLUDE
View file

@ -26,7 +26,7 @@ MAC_OS_X_VERSION ?= 10.8
BUILD_PATH = $(PWD)/.build
GO_VERSION := 1.3.3
GO_VERSION := 1.4
GOOS = $(subst Darwin,darwin,$(subst Linux,linux,$(OS)))
ifeq ($(GOOS),darwin)