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Latest from Tencent Architect

51 recent articles

Tencent Architect

Nov 13, 2017 · Artificial Intelligence

Survey of Bandwidth Optimization Techniques in AI Accelerators

This article reviews various architectural strategies—including streaming processing, on‑chip memory optimization, bit‑width compression, sparsity techniques, on‑chip models with chip‑level interconnects, and emerging technologies such as binary networks, memristors, and HBM—to alleviate bandwidth bottlenecks in FPGA/ASIC/TPU AI accelerators.

AIASICAccelerators

0 likes · 20 min read

Survey of Bandwidth Optimization Techniques in AI Accelerators

Tencent Architect

Nov 9, 2017 · Artificial Intelligence

Why General‑Purpose CPUs Are Inefficient for Deep Learning: Heterogeneous Computing and AI Processor Design

The article analyzes the limitations of general‑purpose CPUs for deep‑learning workloads, explains how semiconductor scaling and memory‑bandwidth constraints drive the shift toward specialized heterogeneous processors such as GPUs, FPGAs, and ASICs, and discusses the design trade‑offs of embedded versus cloud AI accelerators.

AIASICCPU

0 likes · 13 min read

Why General‑Purpose CPUs Are Inefficient for Deep Learning: Heterogeneous Computing and AI Processor Design

Tencent Architect

Oct 20, 2017 · Artificial Intelligence

Design and Performance of a General‑Purpose FPGA CNN Accelerator for Real‑Time AI Services

This article presents a comprehensive overview of a universal FPGA‑based CNN accelerator, detailing its motivation, flexible architecture, compiler workflow, memory and compute unit designs, and performance comparisons that demonstrate significant latency and cost advantages over CPU and GPU solutions for real‑time AI inference.

AI inferenceCNN accelerationFPGA

0 likes · 13 min read

Design and Performance of a General‑Purpose FPGA CNN Accelerator for Real‑Time AI Services

Tencent Architect

Sep 4, 2017 · Operations

Memory Leak Detection and Performance Hotspot Analysis for High‑Concurrency Nginx Testing

The article details how to identify and resolve memory leaks and performance bottlenecks in high‑concurrency Nginx workloads using tools such as Valgrind, AddressSanitizer, perf and flame‑graphs, while also sharing practical tips and personal reflections on debugging under pressure.

Nginxaddress sanitizerflame graph

0 likes · 9 min read

Memory Leak Detection and Performance Hotspot Analysis for High‑Concurrency Nginx Testing

Tencent Architect

Jul 28, 2017 · Cloud Computing

Evolution and Architecture of Tencent Cloud Block Service (CBS): From CBS1.0 to CBS3.0

This article outlines the development of Tencent Cloud Block Service, describing the transition from the monolithic CBS1.0 through the streamlined CBS2.0 to the two‑layer CBS3.0 architecture, and discusses the design choices, operational challenges, performance optimizations, and industry comparison with Ceph.

Architectureblock servicecloud storage

0 likes · 11 min read

Evolution and Architecture of Tencent Cloud Block Service (CBS): From CBS1.0 to CBS3.0

Tencent Architect

Jul 11, 2017 · Frontend Development

Web Acceleration and Protocol Optimization: Practices and Future Directions

This article reviews the challenges of web performance, analyzes HTTP/1.1, HTTP/2, TLS, and QUIC protocols, discusses optimization techniques such as TCP fast open, TLS false start, server push, preconnect, and presents practical recommendations from the 2017 ArchSummit presentation.

QUICTLSWeb Performance

0 likes · 26 min read

Web Acceleration and Protocol Optimization: Practices and Future Directions

Tencent Architect

Jun 30, 2017 · Information Security

Asynchronous RSA Proxy Computation and Performance Optimization for SSL Handshake

The article presents a comprehensive engineering solution that separates RSA operations, employs parallel and asynchronous processing, modifies OpenSSL and Nginx event handling, and adds symmetric‑encryption optimizations to boost SSL/TLS handshake throughput by over threefold while reducing CPU load.

OpenSSLRSASSL handshake

0 likes · 16 min read

Asynchronous RSA Proxy Computation and Performance Optimization for SSL Handshake

Tencent Architect

May 5, 2017 · Operations

Automation and Operational Management for Large-Scale Infrastructure at the Architecture Platform

The article explains how the Architecture Platform team builds a comprehensive, automated operations system—including CMDB, cost budgeting, monitoring, permission management, self‑service tools, and mobile access—to safely and efficiently manage tens of thousands of servers and massive storage services.

AutomationCMDBInfrastructure

0 likes · 14 min read

Automation and Operational Management for Large-Scale Infrastructure at the Architecture Platform

Tencent Architect

Apr 13, 2017 · Databases

Overview of Tencent's TXSQL: Custom MySQL Kernel Enhancements, Performance Optimizations, and Feature Additions

The article provides a comprehensive overview of TXSQL, Tencent's heavily customized MySQL kernel, detailing its motivations, version choices, performance improvements such as read‑view and redo‑log optimizations, added functionalities like multi‑mode operation and distributed locks, stability testing, financial‑grade features, benchmark results against official MySQL releases, upcoming support for MySQL 5.7, and future development directions.

Cloud DatabaseDatabase EngineMySQL

0 likes · 22 min read

Overview of Tencent's TXSQL: Custom MySQL Kernel Enhancements, Performance Optimizations, and Feature Additions

Tencent Architect

Apr 12, 2017 · Databases

Tencent File System (TFS): Architecture, 3D Indexing, High‑Performance Key‑Value Store, and Storage Engines

The article details Tencent File System (TFS), describing its platform components, 3D indexing techniques, high‑performance key‑value storage (TSSD) with MHT, dual‑read and smooth scaling mechanisms, hybrid index storage, host‑level FTL, Append‑Only and erasure‑coding storage engines, and how these innovations deliver scalable, low‑cost, high‑performance data storage for massive workloads.

Key-ValueSSDTFS

0 likes · 12 min read

Tencent File System (TFS): Architecture, 3D Indexing, High‑Performance Key‑Value Store, and Storage Engines