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[[File:OCP-Open-compute-OAM-icon-2x-v1-38b.png|right]]
[[File:OCP-servers-v1-17a2x.png|right]]
==Welcome==
==Welcome==


Welcome to the Open Accelerator Infrastructure(OAI) subgroup.
Welcome to the OCP Accelerator Infrastructure subgroup under OCP Server Work Group.
OAI group is mainly working on define the common infrastructure specification for various accelerator solutions, such as common form factor, universal baseboard etc.  
The scope of this OAI subgroup is to define below 9 schedules for physical modules include logical aspects such as electrical, mechanical, thermal, management, hardware security, physical serviceability, etc. to produce solutions compatible with existing/traditional operation systems and frameworks to run heterogeneous accelerator applications.
The scope of this OAI subgroup is to define below 9 schedules for physical modules include logical aspects such as electrical, mechanical, thermal, management, hardware security, physical serviceability, etc. to produce solutions compatible with existing/traditional operation systems and frameworks to run heterogeneous accelerator applications.
  ○ Open Accelerator Infrastructure (OAI)
  ○ Open Accelerator Infrastructure (OAI)
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  ○ OAI Host Interface (OAI-HIB)
  ○ OAI Host Interface (OAI-HIB)
  ○ OAI Power Distribution (OAI-PDB)
  ○ OAI Power Distribution (OAI-PDB)
  ○ OAI Expansion Beyond UBB (OAI-EXP)
  ○ OAI Expansion Beyond UBB (OAI-Expansion)
  ○ OAI Security, Control, and Management (OAI-SCM)  
  ○ OAI Security, Control, and Management (OAI-SCM)  
  ○ OAI-Tray
  ○ OAI-Tray
  ○ OAI Chassis (This chapter will address air-cooled and liquid-cooled aspects as well.)
  ○ OAI Chassis
 
There are 5 workstreams under this group working on above schedules:
 
○ OAI System workstream
○ Highspeed workstream
○ Power workstream
○ Thermal and Cooling workstream
○ OAMTool workstream


==Project Leadership==
==Project Leadership==
Sub Project Lead
Sub Project Lead
:- [mailto:song-kok.hang@ocproject.net Song Kok Hang] (AMD)
:- [mailto:siamak.tavallaei@ocproject.net Siamak Tavallaei] (Microsoft) and [mailto:whitneyzhao@fb.com Whitney Zhao] (Facebook)
:- [mailto:Ahmed.AbouAlfotouh@amd.com Ahmed AbouAlfotouh] (AMD)


==Current Status==
==Current Status==
:- OAI-OAM Base Spec r2.0 v1.0 released
:- OAI-UBB Base Spec r2.0 v1.0 released
:- OAI-EXP Base Spec r2.0 v1.0 released
==2023 Approved Contributions==
[https://www.opencompute.org/documents/oai-oam-base-specification-r2-0-v1-0-20230919-pdf OAI-OAM Base Specification r2.0 v1.0]


[https://www.opencompute.org/documents/oai-ubb-base-specification-r2-0-v1-0-20230919-pdf OAI-UBB Base Specification r2.0 v1.0]
[https://www.opencompute.org/documents/oai-exp-base-specification-r2-0-v1-0-20230919-pdf OAI-EXP Base Specification r2.0 v1.0]


==Active documents==
==Active documents==
:- OCP Presentation Template - please contact [mailto:michael@opencompute.org Michael Schill] for a copy
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 52: Line 31:
! License
! License
! Notes
! Notes
|-
| OAI-OAM r2.0
Spec Update
| [https://www.opencompute.org/documents/oai-oam-base-specification-r2-0-v1-0-20230919-pdf OAI-OAM Base Specification r2.0 v1.0]
[https://www.opencompute.org/documents/oai-oam-pinlist-pinmap-r2-0-v1-0-xlsx Pinlist]
[https://www.opencompute.org/documents/oam-r2-0v1-0-me-20230928-7z Mechanical Drawing]
| v1.0
| 09/14/2023
| OCP OAI Workstreams
| OWF CLA
|
|-
| OAI-UBB r2.0     
Spec Update
| [https://www.opencompute.org/documents/oai-ubb-base-specification-r2-0-v1-0-20230919-pdf OAI-UBB Base Specification r2.0 v1.0]
[https://www.opencompute.org/documents/oai-ubb-pinlist-r2-0-v1-0-xlsx Pinlist]
[https://www.opencompute.org/documents/ubb2-tray-chassis-asm-7z Mechanical Drawing]
| v1.0
| 09/14/2023
| OCP OAI Workstreams
| OWF CLA
|
|-
| OAI-EXP r2.0
| [https://www.opencompute.org/documents/oai-exp-base-specification-r2-0-v1-0-20230919-pdf OAI-EXP Base Specification r2.0 v1.0]
[https://www.opencompute.org/documents/oai-exp-pinlist-pinmap-r2-0-v1-0-xlsx Pinlist]
[https://www.opencompute.org/documents/oai-exp-r2-0-v1-0-3d-stp Mechanical Drawing]
| v1.0
| 09/14/2023
| OCP OAI Workstreams
| OWF CLA
|
|-
| OAI-OAM r2.0
| [https://www.opencompute.org/documents/oai-oam-base-specification-r2-0-v0-75-2-pdf OAI-OAM Base Specification r2.0 v0.75]
| v0.75
| 03/03/2023
| OCP OAI Workstreams
| OWF CLA
|
|-
| OAI-UBB r2.0
| [https://www.opencompute.org/documents/oai-ubb-base-specification-r2-0-v0-5-2-pdf OAI-UBB Base Specification r2.0 v0.5]
| v0.5
| 03/03/2023
| OCP OAI Workstreams
| OWF CLA
|
|-
| Spec Update
| [https://www.opencompute.org/documents/ocp-accelerator-module-design-specification-v1p5-final-20220223-docx-1-pdf OCP Accelerator Module (OAM) Design Specification v1.5]
| v1.5
| 2/23/2022
| OCP OAI Workstreams
| OWF CLA
| Presented in 2/23/2022 Server WG call.
|-
| Spec Update
| [https://www.opencompute.org/documents/universal-baseboard-design-specification-v1p5-final-20220223-docx-pdf OCP Universal Baseboard (UBB) Design Specification v1.5]
| v1.5
| 2/23/2022
| OCP OAI Workstreams
| OWF CLA
| Presented in 2/23/2022 Server WG call. 
|-
| Spec
| [https://www.opencompute.org/documents/open-compute-specification-hgx-baseboard-contribution-r1-v0-1-pdf HGX Form Factor Specification]
| r1.0/v0.1
| 05/05/2022
| NVIDIA
| OWF CLA
| 
|-
|-
| Introduction
| Introduction
Line 140: Line 47:
| OWF CLA
| OWF CLA
| Contributed the spec to OCP community on 3/14 during OCP summit.  
| Contributed the spec to OCP community on 3/14 during OCP summit.  
|-
| OAM Spec Update
| [http://files.opencompute.org/oc/public.php?service=files&t=20f81c126dfa9b817b2755d43bde6fbb OCP Accelerator Module Design Spec Package v0.90]
| v0.90
| 4/30/2019
| Facebook/Microsoft/Baidu
| OWF CLA
| SerDes Pin map updated and optimized for interconnect link which has X8 or X4 lanes
|-
| OAM Spec v1.0
| [http://files.opencompute.org/oc/public.php?service=files&t=938c61e5b1d3c5c2b5c33f95525b1412 OCP Accelerator Module Design Spec Package v1.0]
| v1.0
| 7/31/2019
| Facebook/Microsoft/Baidu
| OWF CLA
| Add 8 port HCM and combined FC/HCM topologies; add scale out options; Change connector 1 port name 6/5/4/R to 4/5/6/7
|-
| UBB Spec v0.42
| [http://files.opencompute.org/oc/public.php?service=files&t=20bcaa7a937963190e99acc22205dc42&download OCP OAI Universal Baseboard Design Specification v0.42]
| v0.42
| 1/30/2020
| OCP OAI JDA Group
| OWF CLA
|
|-
| UBB Spec v1.0
| [http://files.opencompute.org/oc/public.php?service=files&t=f924e6fefb20c9be651c61c0f4b1a5cc OCP OAI Universal Baseboard Design Specification v1.0]
| v1.0
| 6/30/2020
| OCP OAI JDA Group
| OWF CLA
|
|-
| OAM Spec v1.1
| [http://files.opencompute.org/oc/public.php?service=files&t=fb91baceba6c1dfaa9dc5531365b4f45 OCP Accelerator Module Design Spec Package v1.1]
| v1.1
| 7/22/2020
| OCP OAI JDA Group
| OWF CLA
| Add management and security requirements for OAM
|
|}
|}


==Get Involved==
==Get Involved==
:- [https://ocp-all.groups.io/g/OCP-OAI Mailing List]
:- [https://ocp-all.groups.io/g/OCP-OAI Mailing List]
:- Sign JDA/OWF-CLA/FSA here:
:- [http://opencompute.org/projects/projects-calendar/ OCP Calendar]
:- [http://opencompute.org/projects/projects-calendar/ OCP Calendar]


==Meeting Schedule==
==Meeting Schedule==
:For public meetings:
This project meets - Once a month, 2nd Wednesday of each Month, 8-9am Pacific Time Zone.  
:- Once a month, 2nd Wednesday of each Month, 8-9am Pacific Time Zone.  
Meeting minutes to be sent to mailing list.
:- Meeting agenda to be sent to subscribe mailing list one day before the meeting.
 
 
:Each workstream has its own bi-weekly meeting. Only members in the workstream will receive the meeting invitation:
:- Related info to be sent to each workstream mailing list.


==Slides/Recordings from Past Calls==
==Recordings from Past Calls==
{| class="wikitable"
|-
! Monthly Call Date
! Slides/Recordings Link
! Notes
|-
| 5/8/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=0a950b26443c43cdb4e496812e59623f OAI_Subgroup_Call_05082019.pdf]
| n/a
|-
| 6/12/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=9ed0bb67ad2ffd97f6507330fa1e7700 OAI_Subgroup_Call_06122019.pdf]
| n/a
|-
| 7/11/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=9fad67cc00830a97c6d8899aa7dec6aa OAI_Subgroup_Call_07112019.pdf]
| n/a
|-
| 7/24/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=4b521cdc1e6a75c7d37085c233e5ae3b OAI_Subgroup_monthly_update_07242019.pdf]
| n/a
|-
| 8/14/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=885b39f535c1156d935e6daa30438239 OAI_Subgroup_call_08142019.pdf]
| n/a
|-
| 10/09/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=c6290ae6248b0cfd74bda249b33f5c7d OAI_Group_Monthly_Update(OCP_Regional_Summit)_10092019.pdf]
| n/a
|-
| 11/13/2019
| [http://files.opencompute.org/oc/public.php?service=files&t=a12f34a8a1048a7047d1b285800f5bd9 OAI_Subgroup_Call_11132019.pdf]
| n/a
|-
| 10/14/2020
| [https://www.youtube.com/watch?v=fUIjhIOJ8A8 Recording]
| n/a
|}


==Past Events==
==Past Events==
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