Add coroutines benchmark (#217)

Author: kumaraditya303

pyperformance/data-files/benchmarks/MANIFEST

@@ -6,6 +6,7 @@ async_tree	<local>
 async_tree_cpu_io_mixed	<local:async_tree>
 async_tree_io	<local:async_tree>
 async_tree_memoization	<local:async_tree>
+coroutines	<local>
 coverage	<local>
 generators	<local>
 chameleon	<local>

pyperformance/data-files/benchmarks/bm_coroutines/pyproject.toml

@@ -0,0 +1,9 @@
+[project]
+name = "pyperformance_bm_coroutines"
+requires-python = ">=3.8"
+dependencies = ["pyperf"]
+urls = {repository = "https://github.com/python/pyperformance"}
+dynamic = ["version"]
+
+[tool.pyperformance]
+name = "coroutines"

pyperformance/data-files/benchmarks/bm_coroutines/run_benchmark.py

@@ -0,0 +1,32 @@
+"""
+Benchmark for recursive coroutines.
+
+Author: Kumar Aditya
+"""
+
+import pyperf
+
+
+async def fibonacci(n: int) -> int:
+    if n <= 1:
+        return n
+    return await fibonacci(n - 1) + await fibonacci(n - 2)
+
+
+def bench_coroutines(loops: int) -> float:
+    range_it = range(loops)
+    t0 = pyperf.perf_counter()
+    for _ in range_it:
+        coro = fibonacci(25)
+        try:
+            while True:
+                coro.send(None)
+        except StopIteration:
+            pass
+    return pyperf.perf_counter() - t0
+
+
+if __name__ == "__main__":
+    runner = pyperf.Runner()
+    runner.metadata['description'] = "Benchmark coroutines"
+    runner.bench_time_func('coroutines', bench_coroutines)