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handle asymmetric embedding KVs

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This commit is contained in:
Michael Yang
2024-06-20 09:40:17 -07:00
parent fedf71635e
commit 8e0641a9bf
2 changed files with 35 additions and 9 deletions
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4
llm/memory.go
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@@ -115,8 +115,8 @@ func EstimateGPULayers(gpus []gpu.GpuInfo, ggml *GGML, projectors []string, opts
slog.Warn("model missing blk.0 layer size")
}
// fp16 k,v = (1 (k) + 1 (v)) * sizeof(float16) * n_ctx * n_layer * n_embd / n_head * n_head_kv
var kv uint64 = 2 * 2 * uint64(opts.NumCtx) * ggml.KV().BlockCount() * ggml.KV().EmbeddingLength() / ggml.KV().HeadCount() * ggml.KV().HeadCountKV()
// fp16 k,v = sizeof(float16) * n_ctx * n_layer * (n_embd_head_k + n_embd_head_v) * n_head_kv
var kv uint64 = 2 * uint64(opts.NumCtx) * ggml.KV().BlockCount() * (ggml.KV().EmbeddingHeadCountK() + ggml.KV().EmbeddingHeadCountV()) * ggml.KV().HeadCountKV()
// KV is proportional to the number of layers
layerSize += kv / ggml.KV().BlockCount()