-
Notifications
You must be signed in to change notification settings - Fork 35
/
efficiency.go
130 lines (103 loc) · 2.34 KB
/
efficiency.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
// Copyright ©2017 The go-hep Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package fads
import (
"reflect"
"sync"
"go-hep.org/x/hep/fwk"
"golang.org/x/exp/rand"
"gonum.org/v1/gonum/stat/distuv"
)
type Efficiency struct {
fwk.TaskBase
input string
output string
eff func(pt, eta float64) float64
seed uint64
dist distuv.Uniform
dmu sync.Mutex
}
func (tsk *Efficiency) Configure(ctx fwk.Context) error {
var err error
err = tsk.DeclInPort(tsk.input, reflect.TypeOf([]Candidate{}))
if err != nil {
return err
}
err = tsk.DeclOutPort(tsk.output, reflect.TypeOf([]Candidate{}))
if err != nil {
return err
}
return err
}
func (tsk *Efficiency) StartTask(ctx fwk.Context) error {
var err error
src := rand.New(rand.NewSource(tsk.seed))
tsk.dist = distuv.Uniform{Min: 0, Max: 1, Src: src}
return err
}
func (tsk *Efficiency) StopTask(ctx fwk.Context) error {
var err error
return err
}
func (tsk *Efficiency) Process(ctx fwk.Context) error {
var err error
store := ctx.Store()
msg := ctx.Msg()
v, err := store.Get(tsk.input)
if err != nil {
return err
}
input := v.([]Candidate)
msg.Debugf(">>> input: %v\n", len(input))
output := make([]Candidate, 0, len(input))
defer func() {
err = store.Put(tsk.output, output)
}()
for i := range input {
cand := &input[i]
eta := cand.Pos.Eta()
pt := cand.Mom.Pt()
// apply efficiency
tsk.dmu.Lock()
eff := tsk.dist.Rand()
tsk.dmu.Unlock()
max := tsk.eff(pt, eta)
if eff > max {
continue
}
output = append(output, *cand)
}
msg.Debugf(">>> output: %v\n", len(output))
return err
}
func newEfficiency(typ, name string, mgr fwk.App) (fwk.Component, error) {
var err error
tsk := &Efficiency{
TaskBase: fwk.NewTask(typ, name, mgr),
input: "InputParticles",
output: "OutputParticles",
eff: func(x, y float64) float64 { return 1 },
seed: 1234,
}
err = tsk.DeclProp("Input", &tsk.input)
if err != nil {
return nil, err
}
err = tsk.DeclProp("Output", &tsk.output)
if err != nil {
return nil, err
}
err = tsk.DeclProp("Eff", &tsk.eff)
if err != nil {
return nil, err
}
err = tsk.DeclProp("Seed", &tsk.seed)
if err != nil {
return nil, err
}
return tsk, err
}
func init() {
fwk.Register(reflect.TypeOf(Efficiency{}), newEfficiency)
}