[TRTLLM-15344][feat] cache transceiver nixl bounce buffer - #15780

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chuangz0 wants to merge 32 commits into

NVIDIA:mainfrom

chuangz0:worktree-bounce-v2

Commits on Aug 13, 2026

[None][feat] bounce v2: core data structures, scheduler, codec, kernel
chuangz0
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ce7fe7d
[None][feat] bounce v2: transport reactor + control channel + NIXL engine + agent integration
chuangz0
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fcc1e60
[None][doc] bounce v2: DESIGN.md (as-built spec)
chuangz0
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0bac5ae
[None][fix] bounce v2: stop silently swallowing cleanup failures
chuangz0
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01a0815
[None][build] bounce v2: decouple from ENABLE_UCX (gate on NIXL + zmq)
chuangz0
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524ed29
[None][doc] bounce v2: explain CreditScheduler::schedule() for newcomers
chuangz0
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1266edd
[None][refactor] bounce v2: name the cancel codec (encodeCancel / isCancelWant)
chuangz0
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e6aa967
[None][feat] bounce v2: opt-in cub + zero-copy gather/scatter copy backends
chuangz0
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82f3085
[None][test] bounce v2: real-RDMA failure-path e2e (no-grant timeout, forgetPeer)
chuangz0
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27cb633
[None][fix] bounce v2: reclaim control-channel DEALER on forgetPeer
chuangz0
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07a1091
[None][chore] bounce v2: group unit tests under executor/bounce/
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a7ecec3
[None][fix] bounce v2: make forgetPeer's peer-reconnect deterministic
chuangz0
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3c5aa0d
[None][chore] bounce v2: stop tracking local DESIGN.md
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d68ddcb
[None][test] bounce v2: drive transport tests over real NIXL, drop LocalCopy fake
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f70d714
[None][test] bounce v2: drive happy-path e2e through the production API
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f298c59
[None][fix] bounce v2: clamp maxChunkBytes and guard region bounds
chuangz0
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4d84fc2
[None][chore] bounce v2: drop dangling DESIGN.md references from comments
chuangz0
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b67056b
[None][feat] bounce v2: accept KB/MB/GB suffixes in byte-valued env vars
chuangz0
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328f9ff
[None][feat] bounce v2: NVTX instrumentation for the transfer pipeline
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0257ffa
[None][perf] bounce v2: cut per-chunk KV transfer latency ~49% (1.68ms -> 0.85ms)
chuangz0
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a7ab563
[None][chore] bounce v2: satisfy clang-format and codespell hooks
chuangz0
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9c9a09c
[None][fix] bounce v2: don't modulo an empty ring in dropFromRing
chuangz0
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7dd99ff
fix: align bounce v2 configuration and peer handshake
chuangz0
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8b5e6d9
test: cover NIXL bounce through Python transceiver
chuangz0
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ef7c1de
fix: validate bounce control endpoints
chuangz0
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f92853c
fix: prevent starvation of large bounce chunks
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baa1616
[None][fix] bounce v2: address code review findings
chuangz0
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60e01c0
[None][test] bounce v2: verify engagement programmatically, not via logs
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6411f9b
[None][test] reject skipped bounce subprocess
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92d2c32
fix: harden bounce transport protocol handling
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ae7e499
[None][feat] bounce v2: enable via CacheTransceiverConfig.agent_buffer_enable
chuangz0
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4a4a256
[None][chore] drop per-field capture test for agent_buffer_enable
chuangz0
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5aea895