tensorflow :: ops :: ResourceApplyFtrlV2
#include <training_ops.h>
Perbarui '* var' sesuai dengan skema Ftrl-proksimal.
Ringkasan
grad_with_shrinkage = grad + 2 * l2_shrinkage * var acc_new = akum + grad_with_shrinkage * grad_with_shrinkage linear + = grad_with_shrinkage + (akum_with ^ (- lr_power) - akum ^ (- lr_power)) / lr * var kuadrat = 1.0 / l * lr) + 2 * l2 var = (tanda (linier) * l1 - linier) / kuadrat jika | linier | > l1 lain 0,0 akum = akum_new
Argumen:
- scope: Objek Scope
- var: Harus dari Variabel ().
- akumulasi: Harus dari Variabel ().
- linear: Harus dari Variabel ().
- grad: Gradien.
- lr: Faktor penskalaan. Harus skalar.
- l1: regularisasi L1. Harus skalar.
- l2: regularisasi susut L2. Harus skalar.
- lr_power: Faktor penskalaan. Harus skalar.
Atribut opsional (lihat Attrs
):
- use_locking: Jika
True
, pembaruan tensor var dan akumulator akan dilindungi oleh kunci; jika tidak, perilakunya tidak ditentukan, tetapi mungkin menunjukkan lebih sedikit perselisihan.
Pengembalian:
-
Operation
dibuat
Pembuat dan Penghancur | |
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ResourceApplyFtrlV2 (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input accum, :: tensorflow::Input linear, :: tensorflow::Input grad, :: tensorflow::Input lr, :: tensorflow::Input l1, :: tensorflow::Input l2, :: tensorflow::Input l2_shrinkage, :: tensorflow::Input lr_power) | |
ResourceApplyFtrlV2 (const :: tensorflow::Scope & scope, :: tensorflow::Input var, :: tensorflow::Input accum, :: tensorflow::Input linear, :: tensorflow::Input grad, :: tensorflow::Input lr, :: tensorflow::Input l1, :: tensorflow::Input l2, :: tensorflow::Input l2_shrinkage, :: tensorflow::Input lr_power, const ResourceApplyFtrlV2::Attrs & attrs) |
Atribut publik | |
---|---|
operation |
Fungsi publik | |
---|---|
operator::tensorflow::Operation () const |
Fungsi statis publik | |
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UseLocking (bool x) |
Structs | |
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tensorflow :: ops :: ResourceApplyFtrlV2 :: Attrs | Penyetel atribut opsional untuk ResourceApplyFtrlV2 . |
Atribut publik
operasi
Operation operation
Fungsi publik
ResourceApplyFtrlV2
ResourceApplyFtrlV2( const ::tensorflow::Scope & scope, ::tensorflow::Input var, ::tensorflow::Input accum, ::tensorflow::Input linear, ::tensorflow::Input grad, ::tensorflow::Input lr, ::tensorflow::Input l1, ::tensorflow::Input l2, ::tensorflow::Input l2_shrinkage, ::tensorflow::Input lr_power )
ResourceApplyFtrlV2
ResourceApplyFtrlV2( const ::tensorflow::Scope & scope, ::tensorflow::Input var, ::tensorflow::Input accum, ::tensorflow::Input linear, ::tensorflow::Input grad, ::tensorflow::Input lr, ::tensorflow::Input l1, ::tensorflow::Input l2, ::tensorflow::Input l2_shrinkage, ::tensorflow::Input lr_power, const ResourceApplyFtrlV2::Attrs & attrs )
operator :: tensorflow :: Operasi
operator::tensorflow::Operation() const
Fungsi statis publik
UseLocking
Attrs UseLocking( bool x )