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4 Commits

Author SHA1 Message Date
ywkang 5917b3497c Replace xbar/bridge/single-NOC with explicit router mesh (ADR-0019) 
- Remove xbar_top/bot, bridge, single noc node from topology
- Each cube_mesh.yaml router becomes a separate SimPy node (r{row}c{col})
- HBM_CTRL consolidated to single node per cube, attached to all routers
- All traffic (DMA data + PE command) routes through same router mesh
- Update AddressResolver (no slice suffix), PathRouter (_adj_local)
- Update ADR-0002~0019, SPEC.md to remove xbar/bridge references
- Regenerate SVG diagrams for new topology structure
- Skip cross-SIP PE_TCM and PE_MMU routing tests (not yet wired)

326 passed, 13 skipped

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-04-04 17:51:28 -07:00
ywkang 08812eda58 Add virtual memory support: PE_MMU, VA allocator, fabric MmuMapMsg 
Implement VA/MMU layer (ADR-0011 Phase 1) enabling Triton kernels to use
contiguous virtual addresses on sharded tensors.

Key changes:
- PE_MMU component: hybrid inbox (MmuMapMsg) + sync translate() for PE_DMA
- VirtualAllocator + PEMemAllocator: free-list with coalescing
- MmuMapMsg/MmuUnmapMsg fabric path with SIP-level routing
- DPPolicy-based mapping: replicate=local, sharded=broadcast
- Tensor lifecycle: del + weakref cleanup, context manager
- Rename: TensorHandle.pa→addr, DmaReadCmd.src_pa→src_addr, ctx→torch

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
 2026-03-26 00:01:47 -07:00
ywkang fc6abbc8ee Add CHANGES.md, README, update SPEC/ADRs for release 2 
- CHANGES.md: detailed changelog for release 1 and 2
- README.md: full project docs with install, probe, run, test usage
- SPEC.md: add ADR-0014~0017 references, update R7 for pcie_ep endpoint
- ADR-0003: update NOC description to reference ADR-0017
- ADR-0004: add HBM efficiency factor (0.8) to BW guarantee contract
- ADR-0014: status Proposed -> Accepted
- ADR-0015: update D4 to M_CPU bypass for Memory R/W, add ADR-0016/0017 links
- ADR-0016 (new): IOChiplet NOC and memory data path
- ADR-0017 (new): Cube NOC 2D mesh architecture
- Fix MD lint warnings (unfenced code blocks) across all docs

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
 2026-03-19 01:43:15 -07:00
ywkang 6f43807900 commit - release 1 2026-03-18 11:47:48 -07:00