top of page
GriffinDB vs RocksDB Benchmarks for Blockchain
Overview We continue from the last technote about the collaboration between Coinplug and Circuit Blvd. We collect transient Transactions...
Sungjoon Ahn
May 20, 20195 min read
Blockchain setup on AWS and local machines
Overview Blockchain presents unique challenges to I/O and storage processing. Circuit Blvd has been working with Coinplug to enhance...
Sungjoon Ahn
May 17, 20193 min read
GPU based Computational Storage with Video Tagging Example
Overview GPUs have become a widely popular tool to perform various machine learning tasks. Circuit Blvd's Cinabro storage platform may...
Sungjoon Ahn
May 9, 20192 min read
Kubernetes and Docker setup for SPDK
Overview Circuit Blvd is building storage systems that can scale at data centers. We rely on Docker and Kubernetes (k8s) to manage the...
Sungjoon Ahn
May 7, 20196 min read
RocksDB in local vs NVMe-oF environment
Overview We would like to know how much impact NVMe-oF (NVMe-over-fabrics) have on real-world database applications. Let's use the...
Sungjoon Ahn
Apr 29, 20193 min read
Vhost vs local NVMe-over-fabrics targets
Overview We show how to set up vhost targets as a local SPDK storage service and measure the basic set of performance numbers in...
Sungjoon Ahn
Apr 23, 20194 min read
Video streaming application on SPDK OCSSD
Running applications on SPDK OCSSD We describe how applications run on SPDK OCSSD by typically partitioning the single physical SSD...
Sungjoon Ahn
Apr 12, 20195 min read
Qemu 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...
Sungjoon Ahn
Apr 9, 201910 min read
Cinabro Platform V1
Introduction In this article, we discuss Cinabro platform version 1. With Cinabro platform, we are aiming at a software driven, open...
Sungjoon Ahn
Mar 29, 20194 min read
Talk/Demo at SPDK Summit '19
We are excited to announce that Circuit Blvd., Inc. has been selected to present and showcase our demo at the 2019 SPDK Summit. The event...
Albert Suh
Mar 7, 20191 min read
Open-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...
Bumsoo Kim
Feb 16, 20191 min read
Managing complexity
Software engineering is all about managing complexity - a well-known verse. The most difficult issue that software engineers experience...
Bumsoo Kim
Feb 16, 20191 min read
Lessons from my previous startups
I started my corporate career in Samsung, and founded a flash memory software team. After helping the company to reach a top position...
Bumsoo Kim
Feb 16, 20192 min read
Circuit 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...
Sungjoon Ahn
Mar 22, 20181 min read
Circuit Blvd., Inc. demonstrates industry's first OCSSD array system with NVMe-oF
Circuit Blvd., Inc is an industry leader in OCSSD (Open-Channel SSD) based technologies. Our first prototype is based on FPGA OCSSD and...
Sungjoon Ahn
Mar 19, 20181 min read
Non-Volatile Memories Workshop '18
We participated in Non-Volatile Memories Workshop 2018 (http://nvmw.ucsd.edu/2018/) to present our CINABRO architecture. The annual...
Sungjoon Ahn
Mar 14, 20181 min read
Blog: Blog2
bottom of page