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openrknn: document multi-core dispatch blocker for FP16 #91

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Merged
widgetii merged 1 commit into from
Apr 13, 2026
Merged

openrknn: document multi-core dispatch blocker for FP16 #91

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7 changes: 7 additions & 0 deletions openrknn/src/openrknn_run.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2082,6 +2082,13 @@ int orknn_own_run(struct orknn_context *ctx, rknn_run_extend *extend)
mc_plan = m->submits_3core;
mc_count = m->n_submits_3core;
}
/* FP16 transformer models (unified_act): single-core tasks only cover
* ~512 of 1024 spatial positions. The vendor runs all 3 NPU cores
* simultaneously (task_number=N*3) via kernel-level multi-core dispatch
* set up during rknn_init. openrknn's OWN mode doesn't do this kernel
* setup, so submitting with core_mask=0 still runs single-core.
* TODO #80: implement kernel-level multi-core dispatch for FP16. */
int use_vendor_3core = 0; /* disabled: needs kernel integration */

if (mc_plan && mc_count > 0) {
orknn_log(2, "run: multi-core submit (mask=0x%x, %u submits)",
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