4718758755

Committed 17 Apr 2023 07:52AM CUT coverage: 96.144% (+0.2%) from 95.946%

Build Type

push

github

Committed by GitHub

Commit Message

RowToTable observer adapter (#37)

Run Details

20 of 20 new or added lines in 2 files covered. (100.0%)

374 of 389 relevant lines covered (96.14%)

135.41 hits per line

Source File
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100.0

/system/perf_timer.go

package system

import (
        "fmt"
        "time"

        "github.com/mlange-42/arche/ecs"
)

// PerfTimer system for printing elapsed time per model step, and optional world statistics.
type PerfTimer struct {
        UpdateInterval int  // Update/print interval in model ticks.
        Stats          bool // Whether to print world stats.
        start          time.Time
        startSim       time.Time
        step           int64
}

// Initialize the system
func (s *PerfTimer) Initialize(w *ecs.World) {
        s.step = 0
}

// Update the system
func (s *PerfTimer) Update(w *ecs.World) {
        t := time.Now()
        if s.step == 0 {
                s.start = t
                s.startSim = t
        }
        if s.step%int64(s.UpdateInterval) == 0 {
                if s.step > 0 {
                        dur := t.Sub(s.start)
                        usec := float64(dur.Microseconds()) / float64(s.UpdateInterval)
                        fmt.Printf("%d updates, %0.2f us/update\n", s.UpdateInterval, usec)
                }
                if s.Stats {
                        fmt.Println(w.Stats().String())
                }
                s.start = t
        }
        s.step++
}

// Finalize the system
func (s *PerfTimer) Finalize(w *ecs.World) {
        t := time.Now()
        dur := t.Sub(s.startSim)
        usec := float64(dur.Microseconds()) / float64(s.step)
        fmt.Printf("Total: %d updates, %0.2f us/update\n", s.step, usec)
}

1	package system
2
3	import (
4	"fmt"
5	"time"
6
7	"github.com/mlange-42/arche/ecs"
8	)
9
10	// PerfTimer system for printing elapsed time per model step, and optional world statistics.
11	type PerfTimer struct {
12	UpdateInterval int // Update/print interval in model ticks.
13	Stats bool // Whether to print world stats.
14	start time.Time
15	startSim time.Time
16	step int64
17	}
18
19	// Initialize the system
20	func (s PerfTimer) Initialize(w ecs.World) {	1✔
21	s.step = 0	1✔
22	}	1✔
23
24	// Update the system
25	func (s PerfTimer) Update(w ecs.World) {	30✔
26	t := time.Now()	30✔
27	if s.step == 0 {	31✔
28	s.start = t	1✔
29	s.startSim = t	1✔
30	}	1✔
31	if s.step%int64(s.UpdateInterval) == 0 {	33✔
32	if s.step > 0 {	5✔
33	dur := t.Sub(s.start)	2✔
34	usec := float64(dur.Microseconds()) / float64(s.UpdateInterval)	2✔
35	fmt.Printf("%d updates, %0.2f us/update\n", s.UpdateInterval, usec)	2✔
36	}	2✔
37	if s.Stats {	6✔
38	fmt.Println(w.Stats().String())	3✔
39	}	3✔
40	s.start = t	3✔
41	}
42	s.step++	30✔
43	}
44
45	// Finalize the system
46	func (s PerfTimer) Finalize(w ecs.World) {	1✔
47	t := time.Now()	1✔
48	dur := t.Sub(s.startSim)	1✔
49	usec := float64(dur.Microseconds()) / float64(s.step)	1✔
50	fmt.Printf("Total: %d updates, %0.2f us/update\n", s.step, usec)	1✔
51	}	1✔

mlange-42 / arche-model / 4718758755

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