Basic IMAGE version of Foils prepared August 4 1996

Foil 6 Geometric Structure of Problems and Computers

From Summary of Working Groups at PAWS and PetaSoft Meetings PAWS(Mandalay Beach) and PetSoft(Bodega Bay) -- April 23 and June 17-19,96. by Geoffrey C. Fox
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Table of Contents for Summary of Working Groups at PAWS and PetaSoft Meetings


1 Initial Findings of the Algorithm/Application Working Group -- PAW 96 April 23 1996
2 Overall Suggestions -- I
3 Overall Suggestions - II
4 Other Suggested Point Designs
5 Latency Research Is Needed
6 Geometric Structure of Problems and Computers
7 Memory Hierarchy versus Distribution
8 Needed Algorithm/Application Evaluations
9 Observation on Parallelism -- Burton Smith
10 Some Questions from the Application Group to the Point Designs - I
11 Some Questions from the Application Group to the Point Designs - II
12 Some Questions from the Application Group to the Point Designs - III
13 The Five PetaFlop Kernels - I
14 PetaFlop Kernel:a),b)Unit and Large Stride Vector Fetch and Store
15 PetaFlop Kernel: c). Irregular gather/scatter
16 PetaFlop Kernel: d). 3-D Jacobi kernel, typical of many 3-D physical modeling codes.
17 PetaFlop Kernel: d). 3-D Jacobi kernel -- Actual Code.
18 PetaFlop Kernel: e)Processing of tree-structured data.
19 Application Oriented Software Issues -- April 24,1996
20 Language Related Issues
21 Library and Tool Issues
22 Operating System Issues - I
23 Operating System Issues - II
24 "Initial" Findings of the "Implementation" Subgroup at PetaSoft 96
25 Initial Thoughts I
26 The MPI Program Execution Model
27 The PetaSoft Program Execution Model
28 Initial Thoughts II
29 Further Topics which were not discussed in detail
30 "Final" Findings and Recommendations of the "Implementation" Subgroup
31 Members of Implementation Group
32 Findings 1) and 2) -- Memory Hierarchy
33 Findings 3) and 4) -- Using Memory Hierarchy
34 Findings 5) and 6) -- Layered Software
35 The Layered Software Model
36 Some Examples of a Layered Software System
37 Finding 7) Testbeds
38 Findings 8) and 9) Applications
39 Findings 10) to 14) General Points
40 Recommendations 1) to 3) Memory and Software Hierarchy
41 Recommendations 4) to 6)
42 Requested Capabilities in Hardware Architecture
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