gotch
membuat pembungkus tipis untuk API Pytorch C++ (Libtorch) untuk memanfaatkan API tensor C++ (3039) yang sudah dioptimalkan dan komputasi grafik dinamis dengan dukungan CUDA dan menyediakan API Go idiomatis untuk mengembangkan dan mengimplementasikan Pembelajaran Mendalam di Go.
Beberapa fiturnya adalah
gotch
sedang dalam mode pengembangan aktif dan mungkin ada perubahan yang dapat mengganggu API. Jangan ragu untuk menarik permintaan, melaporkan masalah, atau mendiskusikan masalah apa pun. Semua kontribusi dipersilakan.
gotch
versi saat ini adalah v0.9.1
11.8
jika CUDA tersedia jika tidak menggunakan versi CPU.2.1.0
CATATAN : libtorch
akan diinstal di /usr/local/lib
wget https://github.com/sugarme/gotch/releases/download/v0.9.0/setup-libtorch.sh
chmod +x setup-libtorch.sh
export CUDA_VER=cpu && bash setup-libtorch.sh
Perbarui Lingkungan : di Debian/Ubuntu, tambahkan/perbarui baris berikut ke file .bashrc
export GOTCH_LIBTORCH= " /usr/local/lib/libtorch "
export LIBRARY_PATH= " $LIBRARY_PATH : $GOTCH_LIBTORCH /lib "
export CPATH= " $CPATH : $GOTCH_LIBTORCH /lib: $GOTCH_LIBTORCH /include: $GOTCH_LIBTORCH /include/torch/csrc/api/include "
export LD_LIBRARY_PATH= " $LD_LIBRARY_PATH : $GOTCH_LIBTORCH /lib "
wget https://github.com/sugarme/gotch/releases/download/v0.9.0/setup-gotch.sh
chmod +x setup-gotch.sh
export CUDA_VER=cpu && export GOTCH_VER=v0.9.1 && bash setup-gotch.sh
CATATAN : pastikan mesin Anda memiliki CUDA yang berfungsi.
nvidia-smi
wget https://github.com/sugarme/gotch/releases/download/v0.9.0/setup-libtorch.sh
chmod +x setup-libtorch.sh
export CUDA_VER=11.8 && bash setup-libtorch.sh
Perbarui Lingkungan : di Debian/Ubuntu, tambahkan/perbarui baris berikut ke file .bashrc
export GOTCH_LIBTORCH= " /usr/local/lib/libtorch "
export LIBRARY_PATH= " $LIBRARY_PATH : $GOTCH_LIBTORCH /lib "
export CPATH= " $CPATH : $GOTCH_LIBTORCH /lib: $GOTCH_LIBTORCH /include: $GOTCH_LIBTORCH /include/torch/csrc/api/include "
LD_LIBRARY_PATH= " $LD_LIBRARY_PATH : $GOTCH_LIBTORCH /lib:/usr/lib64-nvidia:/usr/local/cuda- ${CUDA_VERSION} /lib64 "
wget https://github.com/sugarme/gotch/releases/download/v0.9.0/setup-gotch.sh
chmod +x setup-gotch.sh
export CUDA_VER=11.8 && export GOTCH_VER=v0.9.1 && bash setup-gotch.sh
import (
"fmt"
"github.com/sugarme/gotch"
"github.com/sugarme/gotch/ts"
)
func basicOps () {
xs := ts . MustRand ([] int64 { 3 , 5 , 6 }, gotch . Float , gotch . CPU )
fmt . Printf ( "%8.3f n " , xs )
fmt . Printf ( "%i" , xs )
/*
(1,.,.) =
0.391 0.055 0.638 0.514 0.757 0.446
0.817 0.075 0.437 0.452 0.077 0.492
0.504 0.945 0.863 0.243 0.254 0.640
0.850 0.132 0.763 0.572 0.216 0.116
0.410 0.660 0.156 0.336 0.885 0.391
(2,.,.) =
0.952 0.731 0.380 0.390 0.374 0.001
0.455 0.142 0.088 0.039 0.862 0.939
0.621 0.198 0.728 0.914 0.168 0.057
0.655 0.231 0.680 0.069 0.803 0.243
0.853 0.729 0.983 0.534 0.749 0.624
(3,.,.) =
0.734 0.447 0.914 0.956 0.269 0.000
0.427 0.034 0.477 0.535 0.440 0.972
0.407 0.945 0.099 0.184 0.778 0.058
0.482 0.996 0.085 0.605 0.282 0.671
0.887 0.029 0.005 0.216 0.354 0.262
TENSOR INFO:
Shape: [3 5 6]
DType: float32
Device: {CPU 1}
Defined: true
*/
// Basic tensor operations
ts1 := ts . MustArange ( ts . IntScalar ( 6 ), gotch . Int64 , gotch . CPU ). MustView ([] int64 { 2 , 3 }, true )
defer ts1 . MustDrop ()
ts2 := ts . MustOnes ([] int64 { 3 , 4 }, gotch . Int64 , gotch . CPU )
defer ts2 . MustDrop ()
mul := ts1 . MustMatmul ( ts2 , false )
defer mul . MustDrop ()
fmt . Printf ( "ts1: n %2d" , ts1 )
fmt . Printf ( "ts2: n %2d" , ts2 )
fmt . Printf ( "mul tensor (ts1 x ts2): n %2d" , mul )
/*
ts1:
0 1 2
3 4 5
ts2:
1 1 1 1
1 1 1 1
1 1 1 1
mul tensor (ts1 x ts2):
3 3 3 3
12 12 12 12
*/
// In-place operation
ts3 := ts . MustOnes ([] int64 { 2 , 3 }, gotch . Float , gotch . CPU )
fmt . Printf ( "Before: n %v" , ts3 )
ts3 . MustAddScalar_ ( ts . FloatScalar ( 2.0 ))
fmt . Printf ( "After (ts3 + 2.0): n %v" , ts3 )
/*
Before:
1 1 1
1 1 1
After (ts3 + 2.0):
3 3 3
3 3 3
*/
}
import (
"fmt"
"github.com/sugarme/gotch"
"github.com/sugarme/gotch/nn"
"github.com/sugarme/gotch/ts"
)
type Net struct {
conv1 * nn. Conv2D
conv2 * nn. Conv2D
fc * nn. Linear
}
func newNet ( vs * nn. Path ) * Net {
conv1 := nn . NewConv2D ( vs , 1 , 16 , 2 , nn . DefaultConv2DConfig ())
conv2 := nn . NewConv2D ( vs , 16 , 10 , 2 , nn . DefaultConv2DConfig ())
fc := nn . NewLinear ( vs , 10 , 10 , nn . DefaultLinearConfig ())
return & Net {
conv1 ,
conv2 ,
fc ,
}
}
func ( n Net ) ForwardT ( xs * ts. Tensor , train bool ) * ts. Tensor {
xs = xs . MustView ([] int64 { - 1 , 1 , 8 , 8 }, false )
outC1 := xs . Apply ( n . conv1 )
outMP1 := outC1 . MaxPool2DDefault ( 2 , true )
defer outMP1 . MustDrop ()
outC2 := outMP1 . Apply ( n . conv2 )
outMP2 := outC2 . MaxPool2DDefault ( 2 , true )
outView2 := outMP2 . MustView ([] int64 { - 1 , 10 }, true )
defer outView2 . MustDrop ()
outFC := outView2 . Apply ( n . fc )
return outFC . MustRelu ( true )
}
func main () {
vs := nn . NewVarStore ( gotch . CPU )
net := newNet ( vs . Root ())
xs := ts . MustOnes ([] int64 { 8 , 8 }, gotch . Float , gotch . CPU )
logits := net . ForwardT ( xs , false )
fmt . Printf ( "Logits: %0.3f" , logits )
}
//Logits: 0.000 0.000 0.000 0.225 0.321 0.147 0.000 0.207 0.000 0.000
gotch
di Google Colab atau secara lokal gotch
berlisensi Apache 2.0.