From 59b993d8b1a724c4f7ce958f44732eb0a5b56d40 Mon Sep 17 00:00:00 2001
From: Leonardo Schwarz <leonardo.schwarz@fgcz.ethz.ch>
Date: Wed, 23 Oct 2024 10:40:51 +0200
Subject: [PATCH] remove benchmark

---
 examples/.gitignore                  |  2 -
 examples/file_checksums_benchmark.py | 55 ----------------------------
 2 files changed, 57 deletions(-)
 delete mode 100644 examples/.gitignore
 delete mode 100644 examples/file_checksums_benchmark.py

diff --git a/examples/.gitignore b/examples/.gitignore
deleted file mode 100644
index 519539c..0000000
--- a/examples/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-*.ibd
-*.imzML
diff --git a/examples/file_checksums_benchmark.py b/examples/file_checksums_benchmark.py
deleted file mode 100644
index 19d0b2e..0000000
--- a/examples/file_checksums_benchmark.py
+++ /dev/null
@@ -1,55 +0,0 @@
-import hashlib
-import shutil
-import subprocess
-import timeit
-from pathlib import Path
-
-
-def checksum_native(file: Path) -> str:
-    binary_path = shutil.which("sha1sum")
-    result = subprocess.run(
-        [binary_path, str(file)],
-        capture_output=True,
-        text=True,
-        encoding="utf-8",
-        check=True,
-    )
-    return result.stdout.split()[0].lower()
-
-
-def checksum_naive(file: Path) -> str:
-    return hashlib.sha1(file.read_bytes()).hexdigest()
-
-
-def checksum_chunked(file: Path, chunksize=4096) -> str:
-    hasher = hashlib.sha1()
-    with open(file, "rb") as f:
-        for chunk in iter(lambda: f.read(chunksize), b""):
-            hasher.update(chunk)
-    return hasher.hexdigest()
-
-
-def main():
-    # create test file of size 200 MiB
-    file = Path("../../msi/examples/testfile.png")
-    with file.open("wb") as f:
-        f.seek(200 * 1024 * 1024 - 1)
-        f.write(b"\0")
-
-    # sanity check
-    print("Performing sanity check")
-    assert checksum_naive(file) == checksum_chunked(file) == checksum_native(file)
-    print("Sanity check passed")
-
-    # benchmark
-    print("Naive:", timeit.timeit(lambda: checksum_naive(file), number=10))
-    print("Chunked 4096:", timeit.timeit(lambda: checksum_chunked(file), number=10))
-    print("Chunked 8192:", timeit.timeit(lambda: checksum_chunked(file, chunksize=8192), number=10))
-    print("Chunked 16384:", timeit.timeit(lambda: checksum_chunked(file, chunksize=16384), number=10))
-    print("Chunked 30000:", timeit.timeit(lambda: checksum_chunked(file, chunksize=30000), number=10))
-    print("Chunked 50000:", timeit.timeit(lambda: checksum_chunked(file, chunksize=50000), number=10))
-    print("Native:", timeit.timeit(lambda: checksum_native(file), number=10))
-
-
-if __name__ == "__main__":
-    main()