fix top level benchmarks

Author: bdemann

.github/scripts/analyze_benchmarks/extractor.ts

@@ -1,9 +1,9 @@
 import { readFile } from 'fs/promises';
 
 export type BenchmarkEntry = {
-    instructions: { __bigint__: string };
+    instructions: string;
     method_name: string;
-    timestamp: { __bigint__: string };
+    timestamp: string;
 };
 
 type VersionBenchmarks = {

.github/scripts/analyze_benchmarks/statistics.ts

@@ -23,11 +23,13 @@ const BASELINE_EFFICIENCY_WEIGHTS = {
  * @returns Statistical analysis of the benchmark data
  */
 export function calculateVersionStatistics(
-    entries: BenchmarkEntry[]
+    entries: BenchmarkEntry[] | undefined
 ): Statistics {
-    const instructions = entries.map((entry) =>
-        Number(entry.instructions.__bigint__)
-    );
+    if (entries === undefined || entries.length === 0) {
+        throw new Error('No benchmark entries found for this version');
+    }
+
+    const instructions = entries.map((entry) => Number(entry.instructions));
 
     return calculateStatistics(instructions);
 }