Efficient channelization on a graphics processing unit

被引：0
|
作者：
Merry, Bruce [1 ]
机构：
[1] South African Radio Astron Observ, Cape Town, South Africa
来源：
JOURNAL OF ASTRONOMICAL TELESCOPES INSTRUMENTS AND SYSTEMS | 2023年 / 9卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
channelization; correlator; F-engine; graphics processing unit;
D O I：
10.1117/1.JATIS.9.3.038001
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
We present an implementation of a channelizer (F-engine) running on a graphics processing unit (GPU). While not the first GPU implementation of a channelizer, we have put significant effort into optimizing the implementation. We are able to process 4 antennas each with 2 Gsample / s, 10-bit dual-polarized input and 8-bit output, on a single commodity GPU. This fully utilizes the available peripheral component interconnect express (PCIe) bandwidth of the GPU. The system is not as optimized for a single high-bandwidth antenna but handles 6.2 Gsample / s, limited by single-core central processing unit (CPU) performance.
引用
收藏
页数：18
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