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llama : remember and restore kv cache data pointers (#1104)

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because their value is stored in buf and overwritten by memcpy
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xaedes 2023-04-21 17:25:21 +02:00 committed by GitHub
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commit 8687c1f258
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@ -2092,7 +2092,11 @@ void llama_set_kv_cache(
int n_token_count) {
// Make sure we have the same kv cache setup
LLAMA_ASSERT(ctx->model.kv_self.buf.size == n_size);
void * k_data = ctx->model.kv_self.k->data; // remember data pointers
void * v_data = ctx->model.kv_self.v->data; // because their value is stored in buf and overwritten by memcpy
memcpy(ctx->model.kv_self.buf.addr, kv_cache, n_size);
ctx->model.kv_self.k->data = k_data; // restore correct data pointers
ctx->model.kv_self.v->data = v_data;
ctx->model.kv_self.n = n_token_count;
}