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Welcome to the OCP Server - Composable Memory System (CMS)
The OCP Composable Memory System is a sub-project within the Server project.
CMS was created based on the work of the SDM team from the OCP Future Technologies Initiative. History can be found in the FTI-SDM Wiki
Leadership
- CMS Workstream Lead
- - Manoj Wadekar (Meta)
- - Anjaneya Chagam (Intel)
Scope
Regular Project Calls
This project meets once a week via a conference call every Friday at 9AM-PT / 11AM-CT / 12pm-ET / midnight-China(winter) / 12pm-China(summer) please check the call calendar for any updates.
- - Agendas will be sent out to the [[email protected]] before each meeting
- - Check the CMS groups.io page for joining mail list, calendar updates etc.
- - Call Link Meeting ID: 875 2313 7632 Passcode: 701044
You can also dial in using your phone: +16469313860,,87523137632# US
CMS Tech Day 2025
- April 9th, 2025 from 9AM-5PM Pacific
- Virtual Participation Registration Link
Sub-Projects
Workstreams
There are 5 workstreams in the project:
- - Composable Workloads (Vikrant Soman, Uber)
- - DC Memory Fabric Orchestration (Anjaneya "Reddy" Chagam, Intel)
- - AI & HPC Systems & Fabric (Manoj Wadekar, Meta & Samir Rajadnya, Microsoft)
- - Computational Programming (Pankaj Mehra, Elephance Memory)
- - Academia Research (Brian Hirano, Micron)
Workgroup Documents
Whitepapers
- OCP CMS End User Use Cases White Paper
- OCP CMS Workloads and Benchmarks White Paper
- OCP CMS Logical System Architecture White Paper
- OCP CMS Hotness Tracking Requirements White Paper
- OCP CMS Memory Fabric Orchestration Architecture White Paper
Specification Contributions
- Meta/Google Contrib- Draft under review - Hyperscale CXL Tiered Memory Expander for OCP - Base Specification
- Seagate Contribution - Composable Memory Appliance (CMA) Base Specification Rev 1.1
- Seagate contribution - Composable Memory Fabric Management Software and APIs Architecture Rev 1.0
Github Contributions
Recordings from Past Calls
Past CMS Events
2025
- June 27, 2025
- Apr 25, 2025
- Apr 04, 2025
- Mar 28, 2025
- Mar 21, 2025
- Mar 14, 2025 - Unable to post to YouTube
- Mar 07, 2025 - Unable to post to YouTube
- Feb 28, 2025
- Feb 21, 2025
- Feb 14, 2025
- Feb 07, 2025
- Jan 31, 2025
- Jan 24, 2025
- Jan 17, 2025
- Jan 10, 2025
2024
- Dec 20, 2024
- Dec 13, 2024
- Dec 06, 2024
- Nov 22, 2024
- Nov 21, 2024
- Nov 14, 2024
- Nov 08, 2024
- Nov 01, 2024
- Oct 25, 2024
- Oct 11, 2024
- Oct 04, 2024
- Sep 20, 2024
- Sep 13, 2024: Seagate Presenting CMA Specification - Mohamad El-Batal
- Sep 06, 2024
- Aug 30, 2024: CXL Type 2 card perf analysis - Part II : Presentation deck
- Aug 23, 2024: CXL Type 2 card perf analysis - Part I : Presentation deck
- Aug 16, 2024
- Aug 02, 2024
- Jul 26, 2024 - 01:30PM
- Jul 26, 2024 - 12:00PM
- Jul 19, 2024
- Jul 12, 2024
- Jun 28, 2024
- Jun 21, 2024
- Jun 14, 2024
- Jun 07, 2024
- May 31, 2024
- May 24, 2024
- May 17, 2024
- May 02, 2024
- May 02, 2024
- May 01, 2024
- Apr 26, 2024
- Apr 19, 2024
- Apr 12, 2024
- Apr 05, 2024
- Mar 29, 2024
- Mar 22, 2024
- Mar 15, 2024
- Mar 08, 2024
- Feb 23, 2024
- Feb 16, 2024
- Feb 09, 2024
- Feb 02, 2024
- Jan 12, 2024
- Jan 05, 2024
2023
- Dec 15, 2023
- Dec 08, 2023
- Dec 01, 2023
- Nov 17, 2023
- Nov 03, 2023
- Oct 27, 2023
- Oct 13, 2023
- Oct 06, 2023
- Sep 29, 2023
- Sep 22, 2023
- Sep 14, 2023
- Sep 08, 2023
- Aug 18, 2023
- Aug 11, 2023
- Jul 28, 2023
- Jul 14, 2023
- Jul 07, 2023
- Jun 14, 2023
- May 24, 2023
- May 17, 2023
- May 10, 2023
- May 03, 2023
- Apr 19, 2023 (Not Recorded)
- Apr 05, 2023
- Mar 22, 2023
- Mar 08, 2023
- Feb 22, 2023
- Feb 15, 2023
- Feb 01, 2023
- Jan 25, 2023
- Jan 11, 2023
- Jan 04, 2023
2022
Archived documents
| Type | Description | Version | Submit Date | Contributor | License | Notes |
|---|---|---|---|---|---|---|
| Proposal | Converged Memory Systems (CMS) sub-project proposal |
n/a | 10/27/2022 | Manoj Wadekar (Meta) | n/a | Discussed in 11/30 Server Project call |
| Proposal | SFF-TA-1034 CMM Proposal |
n/a | 12/07/2022 and 12/14/2022 | Anant Thakar (Cisco) | n/a | Discussed in 12/07 and 12/14 CMS Project calls |
| Proposal | Memory Pooling Challenges |
n/a | 01/04/2023 | Mahesh Wagh (AMD) | n/a | Discussed in 01/04 CMS Weekly call |
| Proposal | A framework to create specification related to memory pooling and memory expansion | n/a | 01/11/2023 | Samir Rajadnya (Microsoft) | n/a | Discussed in 01/11 and 01/25 CMS Weekly call |
| Proposal | Memory Access Tracking - baseline proposal | n/a | 02/01/2023 | Anjaneya (Reddy) Chagam (Intel) | n/a | To be Discussed in 02/01 CMS Weekly call |
| Proposal | Chameleon and Hotness tracking in TPP | n/a | 02/15/2023 | Abhishek Dhanotia, Johannes Weiner (Meta) | n/a | Discussed in 02/15 CMS Weekly call |
| Proposal | CMS:Scope Discussion | n/a | 02/22/2023 | Manoj Wadekar(Meta) | n/a | Discussed in 02/22 CMS Weekly call |