mi325: update kimi int4

[functionstackx]

@claude look at the changes in mi355 int4 #950 and port them over to mi325

[Klaud-Cold]

Claude finished @functionstackx's task in 3m 52s —— View job • claude/issue-954-20260327-0702 • Create PR ➔

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Porting mi355x int4 changes to mi325x

• Review PR [AMD/ROCm] kimik2.5 int4 mi355x: upgrade to vllm-openai-rocm:v0.18.0 #950 changes for mi355x int4
• Identify corresponding mi325x files to update
• Port changes to mi325x configuration
• Commit and push changes

Changes made

Ported all changes from PR #950 (kimik2.5-int4-mi355x-vllm) to kimik2.5-int4-mi325x-vllm:

File	Change
.github/configs/amd-master.yaml	Upgraded image v0.16.0 → v0.18.0
benchmarks/single_node/kimik2.5_int4_mi325x.sh	Added export VLLM_ROCM_USE_AITER=1
benchmarks/single_node/kimik2.5_int4_mi325x.sh	Added --max-num-seqs 256
benchmarks/single_node/kimik2.5_int4_mi325x.sh	Removed --disable-log-requests
perf-changelog.yaml	Added changelog entry

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