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Enabling Heterogeneous Computing for Software Developers
Enabling Heterogeneous Computing for Software Developers
Enabling Heterogeneous Computing for Software Developers

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20250211153120
ISBN  
9798346807476
DDC  
004
저자명  
Lau, Jason.
서명/저자  
Enabling Heterogeneous Computing for Software Developers
발행사항  
[Sl] : University of California, Los Angeles, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
255 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-06, Section: B.
주기사항  
Advisor: Cong, Jason.
학위논문주기  
Thesis (Ph.D.)--University of California, Los Angeles, 2024.
초록/해제  
요약The slowing of CMOS technology scaling mismatches the ever-increasing demand for computational power, leading to a rise in the use of heterogeneous systems, which pair scalar processors such as CPUs with specialized accelerators like FPGAs and GPUs. These systems enable continued performance and efficiency scaling for specialized tasks while retaining limited generality. This restricted generality inherent in heterogeneous platforms requires specialized knowledge of hardware architectures and low-level programming models, posing a substantial barrier to software developers.This dissertation addresses the challenges software developers face in leveraging heterogeneous computing resources, particularly FPGA acceleration. We identify three major limitations: limited programmability support in domain-specific resources, difficulty in achieving high performance and efficiency, and time-consuming porting across diverse computational architectures. We present novel approaches and tools to bridge the gap between high-level software development and efficient hardware implementation, making heterogeneous computing more accessible to a broader range of developers.In this dissertation, we introduce Heterosys, an end-to-end optimization framework simplifying heterogeneous hardware development. It decouples algorithmic descriptions from underlying fabrics and offers layout-driven and architecture-driven design generation, bridging the gap between high-level designs and hardware details.The frontend of Heterosys is HeteroRefactor, which combines dynamic invariant analysis, automated refactoring, and selective offloading. HeteroRefactor optimizes software kernels onto accelerators for common-case inputs while maintaining correctness through CPU fallback mechanisms. HeteroRefactor automatically refactors software code to make it FPGA-compatible and hardware-friendly, reducing chip resource usage through bitwidth optimization and floating-point precision tuning.From the individual synthesizable hardware kernels, Adroit optimizes them using a static approach to identify data and control broadcasts. It analyzes data and control dependencies in the source code and reports, trading off clock-cycle latency for higher frequency. By optimizing the FPGA architecture generated by high-level synthesis tools, Adroit relieves software developers from needing to understand the underlying fabric.As the backend, Heterosys composes multiple kernels into an optimized FPGA system using RapidIR, a comprehensive infrastructure for high-level physical synthesis optimizations. RapidIR integrates coarse-grained floorplanning with high-level pipelining, supporting hierarchical composition of heterogeneous designs from diverse sources. It automates the exploration of various physical optimization strategies, freeing programmers from designing device-specific hardware layouts for each target device.Our research demonstrates substantial performance improvements across diverse applications and benchmarks, including genomic sequencing and large language model accelerations. Our FPGA optimization techniques achieve operating frequency improvements of 30% to over 100% compared to state-of-the-art EDA tools, resource requirement reductions of 21% to over 90%, and 51% code reduction in porting between platforms.This dissertation contributes a comprehensive set of methodologies and tools that significantly lower the barriers to entry for heterogeneous computing, particularly FPGA acceleration. By abstracting away much of the hardware complexity, our work paves the way for broader adoption of heterogeneous acceleration in software development practices, potentially driving research innovation and performance improvements across a wide range of applications and industries.
일반주제명  
Computer science
일반주제명  
Computer engineering
일반주제명  
Information technology
키워드  
Acceleration
키워드  
Compilers
키워드  
Electronic design automation
키워드  
Field-Programmable Gate Arrays
키워드  
Heterogeneous computing
키워드  
High-level synthesis
기타저자  
University of California, Los Angeles Computer Science 0201
기본자료저록  
Dissertations Abstracts International. 86-06B.
전자적 위치 및 접속  
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MARC

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■1001  ▼aLau,  Jason.
■24510▼aEnabling  Heterogeneous  Computing  for  Software  Developers
■260    ▼a[Sl]▼bUniversity  of  California,  Los  Angeles▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a255  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-06,  Section:  B.
■500    ▼aAdvisor:  Cong,  Jason.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  Los  Angeles,  2024.
■520    ▼aThe  slowing  of  CMOS  technology  scaling  mismatches  the  ever-increasing  demand  for  computational  power,  leading  to  a  rise  in  the  use  of  heterogeneous  systems,  which  pair  scalar  processors  such  as  CPUs  with  specialized  accelerators  like  FPGAs  and  GPUs.  These  systems  enable  continued  performance  and  efficiency  scaling  for  specialized  tasks  while  retaining  limited  generality.  This  restricted  generality  inherent  in  heterogeneous  platforms  requires  specialized  knowledge  of  hardware  architectures  and  low-level  programming  models,  posing  a  substantial  barrier  to  software  developers.This  dissertation  addresses  the  challenges  software  developers  face  in  leveraging  heterogeneous  computing  resources,  particularly  FPGA  acceleration.  We  identify  three  major  limitations:  limited  programmability  support  in  domain-specific  resources,  difficulty  in  achieving  high  performance  and  efficiency,  and  time-consuming  porting  across  diverse  computational  architectures.  We  present  novel  approaches  and  tools  to  bridge  the  gap  between  high-level  software  development  and  efficient  hardware  implementation,  making  heterogeneous  computing  more  accessible  to  a  broader  range  of  developers.In  this  dissertation,  we  introduce  Heterosys,  an  end-to-end  optimization  framework  simplifying  heterogeneous  hardware  development.  It  decouples  algorithmic  descriptions  from  underlying  fabrics  and  offers  layout-driven  and  architecture-driven  design  generation,  bridging  the  gap  between  high-level  designs  and  hardware  details.The  frontend  of  Heterosys  is  HeteroRefactor,  which  combines  dynamic  invariant  analysis,  automated  refactoring,  and  selective  offloading.  HeteroRefactor  optimizes  software  kernels  onto  accelerators  for  common-case  inputs  while  maintaining  correctness  through  CPU  fallback  mechanisms.  HeteroRefactor  automatically  refactors  software  code  to  make  it  FPGA-compatible  and  hardware-friendly,  reducing  chip  resource  usage  through  bitwidth  optimization  and  floating-point  precision  tuning.From  the  individual  synthesizable  hardware  kernels,  Adroit  optimizes  them  using  a  static  approach  to  identify  data  and  control  broadcasts.  It  analyzes  data  and  control  dependencies  in  the  source  code  and  reports,  trading  off  clock-cycle  latency  for  higher  frequency.  By  optimizing  the  FPGA  architecture  generated  by  high-level  synthesis  tools,  Adroit  relieves  software  developers  from  needing  to  understand  the  underlying  fabric.As  the  backend,  Heterosys  composes  multiple  kernels  into  an  optimized  FPGA  system  using  RapidIR,  a  comprehensive  infrastructure  for  high-level  physical  synthesis  optimizations.  RapidIR  integrates  coarse-grained  floorplanning  with  high-level  pipelining,  supporting  hierarchical  composition  of  heterogeneous  designs  from  diverse  sources.  It  automates  the  exploration  of  various  physical  optimization  strategies,  freeing  programmers  from  designing  device-specific  hardware  layouts  for  each  target  device.Our  research  demonstrates  substantial  performance  improvements  across  diverse  applications  and  benchmarks,  including  genomic  sequencing  and  large  language  model  accelerations.  Our  FPGA  optimization  techniques  achieve  operating  frequency  improvements  of  30%  to  over  100%  compared  to  state-of-the-art  EDA  tools,  resource  requirement  reductions  of  21%  to  over  90%,  and  51%  code  reduction  in  porting  between  platforms.This  dissertation  contributes  a  comprehensive  set  of  methodologies  and  tools  that  significantly  lower  the  barriers  to  entry  for  heterogeneous  computing,  particularly  FPGA  acceleration.  By  abstracting  away  much  of  the  hardware  complexity,  our  work  paves  the  way  for  broader  adoption  of  heterogeneous  acceleration  in  software  development  practices,  potentially  driving  research  innovation  and  performance  improvements  across  a  wide  range  of  applications  and  industries.
■590    ▼aSchool  code:  0031.
■650  4▼aComputer  science
■650  4▼aComputer  engineering
■650  4▼aInformation  technology
■653    ▼aAcceleration
■653    ▼aCompilers
■653    ▼aElectronic  design  automation
■653    ▼aField-Programmable  Gate  Arrays
■653    ▼aHeterogeneous  computing
■653    ▼aHigh-level  synthesis
■690    ▼a0984
■690    ▼a0464
■690    ▼a0489
■690    ▼a0800
■71020▼aUniversity  of  California,  Los  Angeles▼bComputer  Science  0201.
■7730  ▼tDissertations  Abstracts  International▼g86-06B.
■790    ▼a0031
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17165078▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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