From: strawberrymelonpanda <redacted>
Date: Sat, 18 May 2024 07:57:08 +0000 (-0700)
Subject: perplexity : ndot progress and show stats with < 100 tasks (#7348)
X-Git-Tag: upstream/0.0.4488~1565
X-Git-Url: https://git.djapps.eu/?a=commitdiff_plain;h=ca57e0f35e33f714b9a6c2c4482b87bfe059c819;p=pkg%2Fggml%2Fsources%2Fllama.cpp

perplexity : ndot progress and show stats with < 100 tasks (#7348)

Fix floating point error with ndot printing, allow end stats on lower task numbers if multiple-choice tasks.
---

diff --git a/examples/perplexity/perplexity.cpp b/examples/perplexity/perplexity.cpp
index db6e0949..bae014e6 100644
--- a/examples/perplexity/perplexity.cpp
+++ b/examples/perplexity/perplexity.cpp
@@ -1425,7 +1425,7 @@ static void multiple_choice_score(llama_context * ctx, const gpt_params & params
         // Use all tasks
         tasks.resize(n_task);
         printf("%s: reading tasks", __func__);
-        int n_dot = n_task/100;
+        int n_dot = std::max((int) n_task/100, 1);
         int i = 0;
         for (auto& task : tasks) {
             ++i;
@@ -1675,7 +1675,7 @@ static void multiple_choice_score(llama_context * ctx, const gpt_params & params
 
     llama_batch_free(batch);
 
-    if (n_done < 100) return;
+    if (n_done < 100 && (params.multiple_choice_tasks != 0 && params.multiple_choice_tasks < (size_t)n_task)) return;
 
     float p = 1.f*n_correct/n_done;
     float sigma = sqrt(p*(1-p)/(n_done-1));