37 lines
534 B
Go
37 lines
534 B
Go
package statistics
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import (
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"fmt"
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"os"
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"time"
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)
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// An observer, to track reduction performance.
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type Tracker struct {
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start time.Time
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steps uint64
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}
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// Create a new reduction performance tracker.
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func Track() *Tracker {
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return &Tracker{}
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}
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func (t *Tracker) Start() {
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t.start = time.Now()
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t.steps = 0
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}
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func (t *Tracker) Step() {
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t.steps++
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}
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func (t *Tracker) End() {
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results := Results{
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StepsTaken: t.steps,
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TimeElapsed: uint64(time.Since(t.start).Milliseconds()),
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}
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fmt.Fprint(os.Stderr, results.String())
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}
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