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spec(BACKEND-ROCM): port the vt::Backend graph-capture seam to hipGraph (#332) #390

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localai-bot merged 7 commits into from
Aug 11, 2026
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spec(BACKEND-ROCM): port the vt::Backend graph-capture seam to hipGraph (#332) #390

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27ec5c1
spec(BACKEND-ROCM): port the vt::Backend graph-capture seam to hipGraph
joral Aug 10, 2026
5ec64ed
spec(BACKEND-ROCM): test the premise before the code, and bound the win
joral Aug 10, 2026
ed34cb0
spec(BACKEND-ROCM): add Qwen3-4B, refit the curve, drop Gemma, tighten
joral Aug 10, 2026
fe538d7
record(BACKEND-ROCM): bind the decode-graph spec to issue #332
joral Aug 11, 2026
864a645
spec(BACKEND-ROCM): re-anchor onto current main after #273 landed
joral Aug 11, 2026
e59106a
spec(BACKEND-ROCM): anchor by symbol, not by line number
joral Aug 11, 2026
94c7fe3
spec(BACKEND-ROCM): repair the symbol conversion and cut D4's restate…
joral Aug 11, 2026
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1 change: 1 addition & 0 deletions .agents/roadmap_v1.md
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Expand Up @@ -42,6 +42,7 @@ issue is not yet placed. Keyed record: update in place, never append.
| [#132](https://github.com/mudler/vllm.cpp/issues/132) | `BACKEND-ROCM` | ROCm `-O0` RmsNorm CLR HostcallListener teardown deadlock | bug |
| [#201](https://github.com/mudler/vllm.cpp/issues/201) | `BACKEND-ROCM` | `hipblasGemmEx` overload mismatch in `rocm_matmul_hipblaslt.hip` | bug |
| [#269](https://github.com/mudler/vllm.cpp/issues/269) | `BACKEND-ROCM` | ROCm gfx1200 (RX 9060 XT): Qwen3-0.6B produces wrong greedy output despite all-native execution — embedding gather cleared | bug |
| [#332](https://github.com/mudler/vllm.cpp/issues/332) | `BACKEND-ROCM` | ROCm: no decode-graph capture — the hipGraph seam is unimplemented, costing ~3x decode throughput vs vLLM on gfx1200 | perf |
| [#125](https://github.com/mudler/vllm.cpp/issues/125) | `BACKEND-VULKAN` | Vulkan on AMD Strix Halo (gfx1151) does not load | bug |
| [#203](https://github.com/mudler/vllm.cpp/issues/203) | `BACKEND-VULKAN` | Vulkan on unified memory holds TWO copies of the weights: 27B peaks at 100.8 GiB RSS and OOM-reboots a Spark | bug |
| [#310](https://github.com/mudler/vllm.cpp/issues/310) | `BACKEND-VULKAN` | docs/FEATURES.md understates Vulkan: says decode 4.24 vs 4.35 where the binding figure is 4.36 vs 4.35 | bug |
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