Abdolzadeh, Vida
(2020)
Efficient Implementation of Recurrent Neural Network
Accelerators.
[Tesi di dottorato]
| Tipologia del documento: |
Tesi di dottorato
|
| Lingua: |
English |
| Titolo: |
Efficient Implementation of Recurrent Neural Network
Accelerators |
| Autori: |
| Autore | Email |
|---|
| Abdolzadeh, Vida | vida.abdolzadeh@unina.it |
|
| Data: |
13 Marzo 2020 |
| Numero di pagine: |
85 |
| Istituzione: |
Università degli Studi di Napoli Federico II |
| Dipartimento: |
Ingegneria Elettrica e delle Tecnologie dell'Informazione |
| Dottorato: |
Information technology and electrical engineering |
| Ciclo di dottorato: |
32 |
| Coordinatore del Corso di dottorato: |
| nome | email |
|---|
| Riccio, Daniele | daniele.riccio@unina.it |
|
| Tutor: |
| nome | email |
|---|
| Petra, Nicola | [non definito] |
|
| Data: |
13 Marzo 2020 |
| Numero di pagine: |
85 |
| Parole chiave: |
Long Short-Term Memory layer : LSTM
Recurrent Neural Networks: RNN |
| Settori scientifico-disciplinari del MIUR: |
Area 09 - Ingegneria industriale e dell'informazione > ING-INF/01 - Elettronica |
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| Depositato il: |
05 Apr 2020 15:17 |
| Ultima modifica: |
05 Nov 2021 12:53 |
| URI: |
http://www.fedoa.unina.it/id/eprint/13225 |
Abstract
In this dissertation, we propose an accelerator for the implementation of Lthe ong Short-Term Memory layer in Recurrent Neural Networks. We analyze the effect of quantization on the accuracy of the network and we derive an architecture that improves the throughput and latency of the accelerator. The proposed technique only requires one training process, hence reducing the design time. We present the implementation results of the proposed accelerator. The performance compares favorably with other solutions presented in Literature.
The goal of this thesis is to choose which circuit is better in terms of precision, area and timing. In addition, to verify that the chosen circuit works perfectly as activation functions, it is converted in Vivado HLS using C and then integrated in an LSTM Layer. A Speech recognition application has been used to test the system. The results are compared with the ones computed using the same Layer in Matlab to obtain the accuracy and to decide if the precision of the Non-Linear functions is sufficient.
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