Sungjoon AhnMay 20, 20195 minGriffinDB vs RocksDB Benchmarks for BlockchainOverview We continue from the last technote about the collaboration between Coinplug and Circuit Blvd. We collect transient Transactions Per Second (TPS) num...
Sungjoon AhnMay 18, 20193 minBlockchain setup on AWS and local machinesOverview Blockchain presents unique challenges to I/O and storage processing. Circuit Blvd has been working with Coinplug to enhance Coinplug's blockchain pl...
Sungjoon AhnMay 9, 20192 minGPU based Computational Storage with Video Tagging ExampleOverview GPUs have become a widely popular tool to perform various machine learning tasks. Circuit Blvd's Cinabro storage platform may function as computatio...
Sungjoon AhnMay 7, 20196 minKubernetes and Docker setup for SPDKOverview Circuit Blvd is building storage systems that can scale at data centers. We rely on Docker and Kubernetes (k8s) to manage the end-to-end software pi...
Sungjoon AhnApr 29, 20193 minRocksDB in local vs NVMe-oF environmentOverview We would like to know how much impact NVMe-oF (NVMe-over-fabrics) have on real-world database applications. Let's use the RocksDB performance benchm...
Sungjoon AhnApr 23, 20194 minVhost vs local NVMe-over-fabrics targetsOverview We show how to set up vhost targets as a local SPDK storage service and measure the basic set of performance numbers in comparison to local NVMe-ove...
Sungjoon AhnApr 13, 20195 minVideo streaming application on SPDK OCSSDRunning applications on SPDK OCSSD We describe how applications run on SPDK OCSSD by typically partitioning the single physical SSD device. Video streaming i...
Sungjoon AhnApr 10, 201910 minQemu for SPDK OCSSD and NVMe-oF Overview The SPDK community introduced OCSSD (Open-Channel SSD) ftl_bdev in January 2019. One way to develop host based FTLs in SPDK environment is to set up...
Sungjoon AhnMar 29, 20194 minCinabro Platform V1Introduction In this article, we discuss Cinabro platform version 1. With Cinabro platform, we are aiming at a software driven, open flash array architecture...
Albert SuhMar 7, 20191 minTalk/Demo at SPDK Summit '19We are excited to announce that Circuit Blvd., Inc. has been selected to present and showcase our demo at the 2019 SPDK Summit. The event will be held at the...
Bumsoo KimFeb 16, 20191 minOpen-Channel SSD: Easy to build and use?People easily guess that the Open-Channel SSD will ease the process of building SSDs. It's less than 30% true. The Open-Channel SSD initiative, like other so...
Bumsoo KimFeb 16, 20191 minManaging complexitySoftware engineering is all about managing complexity - a well-known verse. The most difficult issue that software engineers experience when working at hardw...
Bumsoo KimFeb 16, 20192 minLessons from my previous startupsI started my corporate career in Samsung, and founded a flash memory software team. After helping the company to reach a top position from the bottom in the ...
Sungjoon AhnMar 23, 20181 minCircuit Blvd., Inc presents its CINABRO architecture at OCP US Summit 2018.We presented our CINABRO architecure on March 21st at OCP US Summit 2018. CINABRO is a software driven, open flash array architecture for scalable cloud sto...
Sungjoon AhnMar 20, 20181 minCircuit Blvd., Inc. demonstrates industry's first OCSSD array system with NVMe-oFCircuit Blvd., Inc is an industry leader in OCSSD (Open-Channel SSD) based technologies. Our first prototype is based on FPGA OCSSD and integrates NVMe-oF, S...
Sungjoon AhnMar 14, 20181 minNon-Volatile Memories Workshop '18 We participated in Non-Volatile Memories Workshop 2018 (http://nvmw.ucsd.edu/2018/) to present our CINABRO architecture. The annual workshop is organized by ...
