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distribution.h
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25 #pragma once
26
31 #include <fstream>
32
33 namespace cutlass {
34
36
38 struct Distribution {
40enum Kind { Invalid, Uniform, Gaussian, Identity, Sequential };
41
43union {
45struct {
48 } uniform;
49
51struct {
54 } gaussian;
55
57struct {
60 } sequential;
61 };
62
65
68
69//
70// Methods
71//
72
73Distribution() : kind(Invalid), int_scale(0) {}
74
76Distribution &set_uniform(double _min, double _max, int _int_scale = 0) {
77 kind = Uniform;
78uniform.min = _min;
79uniform.max = _max;
80 int_scale = _int_scale;
81return *this;
82 }
83
85Distribution &set_gaussian(double _mean, double _stddev, int _int_scale = 0) {
86 kind = Gaussian;
87gaussian.mean = _mean;
88gaussian.stddev = _stddev;
89 int_scale = _int_scale;
90return *this;
91 }
92
94Distribution &set_identity() {
95 kind = Identity;
96return *this;
97 }
98
100Distribution &set_sequential(double start, double delta, int _int_scale = 0) {
101 kind = Sequential;
102sequential.start = start;
103sequential.delta = delta;
104 int_scale = _int_scale;
105return *this;
106 }
107 };
108
109 } // namespace cutlass
110
112
114 inline std::ostream &operator<<(std::ostream &out, cutlass::Distribution const &dist) {
115switch (dist.kind) {
116case cutlass::Distribution::Uniform:
117 out << "uniform, min: " << dist.uniform.min << ", max: " << dist.uniform.max;
118break;
119case cutlass::Distribution::Gaussian:
120 out << "gaussian, mean: " << dist.gaussian.mean << ", stddev: " << dist.gaussian.stddev;
121break;
122case cutlass::Distribution::Identity:
123 out << "identity";
124break;
125case cutlass::Distribution::Sequential:
126 out << "sequential";
127break;
128default:
129 out << "unknown";
130 }
131
132 out << ", int_scale: " << dist.int_scale;
133
134return out;
135 }
136
cutlass::Distribution::Distribution
Distribution()
Definition: distribution.h:73
Definition: aligned_buffer.h:35
cutlass::Distribution::Uniform
Definition: distribution.h:40
cutlass::Distribution::Gaussian
Definition: distribution.h:40
cutlass::Distribution::uniform
struct cutlass::Distribution::@18::@20 uniform
Uniform distribution.
double mean
Definition: distribution.h:52
Kind kind
Active variant kind.
Definition: distribution.h:64
cutlass::Distribution::gaussian
struct cutlass::Distribution::@18::@21 gaussian
Gaussian distribution.
cutlass::Distribution::set_identity
Distribution & set_identity()
Sets identity.
Definition: distribution.h:94
Kind
Variant types.
Definition: distribution.h:40
double max
Definition: distribution.h:47
double stddev
Definition: distribution.h:53
cutlass::Distribution::Identity
Definition: distribution.h:40
double min
Definition: distribution.h:46
cutlass::Distribution::set_uniform
Distribution & set_uniform(double _min, double _max, int _int_scale=0)
Configures distribution as uniform random.
Definition: distribution.h:76
double start
Definition: distribution.h:58
double delta
Definition: distribution.h:59
cutlass::Distribution::Sequential
Definition: distribution.h:40
std::ostream & operator<<(std::ostream &out, complex< T > const &z)
Definition: complex.h:291
Distribution type.
Definition: distribution.h:38
cutlass::Distribution::sequential
struct cutlass::Distribution::@18::@22 sequential
Elements are linear combination of row and column index.
cutlass::Distribution::int_scale
int int_scale
Random values are cast to integer after scaling by this power of two.
Definition: distribution.h:67
cutlass::Distribution::set_sequential
Distribution & set_sequential(double start, double delta, int _int_scale=0)
Sets sequential.
Definition: distribution.h:100
cutlass::Distribution::Invalid
Definition: distribution.h:40
cutlass::Distribution::set_gaussian
Distribution & set_gaussian(double _mean, double _stddev, int _int_scale=0)
Configures distribution as Gaussian distribution.
Definition: distribution.h:85
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