add thread env arg to ollama check

Author: erhant

src/config/ollama.rs

@@ -1,7 +1,10 @@
 use std::time::Duration;
 
 use ollama_workflows::{
-    ollama_rs::{generation::completion::request::GenerationRequest, Ollama},
+    ollama_rs::{
+        generation::{completion::request::GenerationRequest, options::GenerationOptions},
+        Ollama,
+    },
     Model,
 };
 
@@ -174,12 +177,26 @@ impl OllamaConfig {
             return false;
         };
 
+        let mut generation_request =
+            GenerationRequest::new(model.to_string(), TEST_PROMPT.to_string());
+
+        // FIXME: temporary workaround, can take num threads from outside
+        if let Ok(num_thread) = std::env::var("OLLAMA_NUM_THREAD") {
+            generation_request = generation_request.options(
+                GenerationOptions::default().num_thread(
+                    num_thread
+                        .parse()
+                        .expect("num threads should be a positive integer"),
+                ),
+            );
+        }
+
         // then, run a sample generation with timeout and measure tps
         tokio::select! {
             _ = tokio::time::sleep(timeout) => {
                 log::warn!("Ignoring model {}: Workflow timed out", model);
             },
-            result = ollama.generate(GenerationRequest::new(model.to_string(), TEST_PROMPT.to_string())) => {
+            result = ollama.generate(generation_request) => {
                 match result {
                     Ok(response) => {
                         let tps = (response.eval_count.unwrap_or_default() as f64)
@@ -189,7 +206,6 @@ impl OllamaConfig {
                         if tps >= min_tps {
                             log::info!("Model {} passed the test with tps: {}", model, tps);
                             return true;
-
                         }
 
                         log::warn!(