ENH: Add benchmark for memory usage in pandas DataFrame creation

Author: AkiTheMemeGod

asv_bench/benchmarks/bench_snapshot_memory.py

@@ -0,0 +1,17 @@
+import pandas as pd
+import numpy as np
+import tracemalloc
+
+def make_df(nrows=1_000_000):
+    return pd.DataFrame({
+        "a": np.random.randint(0, 100, size=nrows),
+        "b": np.random.random(size=nrows),
+        "c": np.random.choice(list("abcdefghijklmnopqrstuvwxyz"), size=nrows)
+    })
+
+df = make_df(200_000)
+tracemalloc.start()
+snap = df.snapshot("bench")
+snap_shot = tracemalloc.take_snapshot()
+top_stats = snap_shot.statistics('lineno')
+print("Top memory stats:", top_stats[:3])