Bug 1060 - OPF RFC ls009 questions and feedback
Summary: OPF RFC ls009 questions and feedback
Status: CONFIRMED
Alias: None
Product: Libre-SOC's first SoC
Classification: Unclassified
Component: Specification (show other bugs)
Version: unspecified
Hardware: PC Linux
: --- enhancement
Assignee: Luke Kenneth Casson Leighton
URL: https://libre-soc.org/openpower/sv/rf...
Depends on: 1042
Blocks: 1096
  Show dependency tree / graph
 
Reported: 2023-04-16 15:54 BST by Luke Kenneth Casson Leighton
Modified: 2023-05-30 16:06 BST (History)
3 users (show)

See Also:
NLnet milestone: NLnet.2022-08-051.OPF
total budget (EUR) for completion of task and all subtasks: 3500
budget (EUR) for this task, excluding subtasks' budget: 3500
parent task for budget allocation: 1012
child tasks for budget allocation:
The table of payments (in EUR) for this task; TOML format:
lkcl=1500 red=1500 jacob=500

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Description Luke Kenneth Casson Leighton 2023-04-16 15:54:25 BST 
ls009 v1 submitted formally on 16apr2023 there will be questions
iterations and feedback.

* TODO parallel prefix sum in REMAP page
* TODO jacob some justification examples
       (went by on IRC v. quick)
* TODO add bit in SVSTATE which allows for interrupts
Comment 1 Luke Kenneth Casson Leighton 2023-04-26 21:44:34 BST 
bug #1071 - parallel prefix sum is missing from REMAP.
Comment 3 Luke Kenneth Casson Leighton 2023-04-30 17:02:11 BST 
(In reply to Luke Kenneth Casson Leighton from comment #1)
> bug #1071 - parallel prefix sum is missing from REMAP.

jacob has implemented parallel prefix sum, work-efficient:
TODO cut over new pseudocode for svshape
https://libre-soc.org/openpower/sv/remap/appendix/
Comment 4 Luke Kenneth Casson Leighton 2023-04-30 17:10:49 BST 
https://en.m.wikipedia.org/wiki/Prefix_sum#Applications
Comment 5 Luke Kenneth Casson Leighton 2023-05-01 12:56:34 BST 
https://git.libre-soc.org/?p=libreriscv.git;a=commitdiff;h=4da8595f5c4299d28383fa2abb1f7003c29fd5b6

beginnings of parallel prefix sum