log error and return instead of storing max_seq_exceeded int

Author: kallewoof

tools/perplexity/perplexity.cpp

@@ -1542,14 +1542,16 @@ static void multiple_choice_score(llama_context * ctx, const common_params & par
         // the common prefix is shared among the 4 sequences to save tokens
         // we extract logits only from the last common token and from all ending tokens of each sequence
         int s0 = 0;
-        int max_seq_exceeded = 0;
         while (n_cur + (int) tasks[i1].required_tokens <= n_ctx) {
             auto& cur_task = tasks[i1];
             int n_logits = 0;
 
             int num_answers = cur_task.seq_tokens.size();
             if (s0 + num_answers > max_seq) {
-                max_seq_exceeded = s0 + num_answers;
+                if (i0 == i1) {
+                    LOG_ERR("%s : task %zu requires a higher -np|--parallel value (at least %d)\n", __func__, i0, num_answers);
+                    return;
+                }
                 break;
             }
 
@@ -1590,11 +1592,7 @@ static void multiple_choice_score(llama_context * ctx, const common_params & par
         }
 
         if (i0 == i1) {
-            if (max_seq_exceeded > max_seq) {
-                LOG_ERR("%s : task %zu requires a higher -np|--parallel value (at least %d)\n", __func__, i0, max_seq_exceeded);
-            } else {
-                LOG_ERR("%s : task %zu does not fit in the context window (requires %lu tokens)\n", __func__, i0, tasks[i0].required_tokens);
-            }
+            LOG_ERR("%s : task %zu does not fit in the context window (requires %lu tokens)\n", __func__, i0, tasks[i0].required_tokens);
             return;
         }