OrgGo
/
hybridgroup.gobot
mirror of https://github.com/hybridgroup/gobot.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
hybridgroup.gobot/system/digitalpin_bench_test.go

25 lines
385 B
Go
Raw Normal View History

rename package "sysfs" to "system"
2022-11-21 02:22:26 +08:00
package system
Use Seek to speed up read/write in sysfs This maintains `direction` and `value` `File`s for each DigitalPin implementation. Instead of Open/Read/Close we now only do Seek/Read, this speeds up Read/Write operations a bit. A silly benchmark on the mock FS gives: benchmark old ns/op new ns/op delta BenchmarkDigitalRead-8 647 7.36 -98.86% benchmark old allocs new allocs delta BenchmarkDigitalRead-8 5 0 -100.00% benchmark old bytes new bytes delta BenchmarkDigitalRead-8 96 0 -100.00%
2016-02-19 04:08:48 +08:00
BUGFIX: tests with sysfs mocks
2022-10-27 00:21:34 +08:00
import (
"testing"
)
Use Seek to speed up read/write in sysfs This maintains `direction` and `value` `File`s for each DigitalPin implementation. Instead of Open/Read/Close we now only do Seek/Read, this speeds up Read/Write operations a bit. A silly benchmark on the mock FS gives: benchmark old ns/op new ns/op delta BenchmarkDigitalRead-8 647 7.36 -98.86% benchmark old allocs new allocs delta BenchmarkDigitalRead-8 5 0 -100.00% benchmark old bytes new bytes delta BenchmarkDigitalRead-8 96 0 -100.00%
2016-02-19 04:08:48 +08:00
func BenchmarkDigitalRead(b *testing.B) {
BUGFIX/IMPROVEMENT: sysfs accesser
2022-11-05 14:42:28 +08:00
a := NewAccesser()
mockPaths := []string{
Use Seek to speed up read/write in sysfs This maintains `direction` and `value` `File`s for each DigitalPin implementation. Instead of Open/Read/Close we now only do Seek/Read, this speeds up Read/Write operations a bit. A silly benchmark on the mock FS gives: benchmark old ns/op new ns/op delta BenchmarkDigitalRead-8 647 7.36 -98.86% benchmark old allocs new allocs delta BenchmarkDigitalRead-8 5 0 -100.00% benchmark old bytes new bytes delta BenchmarkDigitalRead-8 96 0 -100.00%
2016-02-19 04:08:48 +08:00
"/sys/class/gpio/export",
"/sys/class/gpio/unexport",
"/sys/class/gpio/gpio10/value",
"/sys/class/gpio/gpio10/direction",
BUGFIX/IMPROVEMENT: sysfs accesser
2022-11-05 14:42:28 +08:00
}
a.UseMockFilesystem(mockPaths)
BUGFIX: tests with sysfs mocks
2022-10-27 00:21:34 +08:00
gpio: add support for new character device Kernel ABI
2022-11-27 23:06:09 +08:00
pin := a.NewDigitalPin("", 10)
Use Seek to speed up read/write in sysfs This maintains `direction` and `value` `File`s for each DigitalPin implementation. Instead of Open/Read/Close we now only do Seek/Read, this speeds up Read/Write operations a bit. A silly benchmark on the mock FS gives: benchmark old ns/op new ns/op delta BenchmarkDigitalRead-8 647 7.36 -98.86% benchmark old allocs new allocs delta BenchmarkDigitalRead-8 5 0 -100.00% benchmark old bytes new bytes delta BenchmarkDigitalRead-8 96 0 -100.00%
2016-02-19 04:08:48 +08:00
pin.Write(1)
for i := 0; i < b.N; i++ {
pin.Read()
}
}