Update to add SPDX identifiers (#13)

* Add SPDX statement to files.

Author: BenBrock

.clang-format

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 ---
 BasedOnStyle: LLVM
 PointerAlignment: Left

.github/workflows/ci.yml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 name: "CI"
 
 on:

.gitignore

@@ -0,0 +1,8 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
+scripts
+venv
+build
+._*

.pre-commit-config.yaml

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 repos:
 
 - repo: https://github.com/pre-commit/mirrors-clang-format
@@ -12,3 +16,8 @@ repos:
     - id: end-of-file-fixer
     - id: mixed-line-ending
     - id: check-added-large-files
+
+- repo: https://github.com/fsfe/reuse-tool
+  rev: v2.1.0
+  hooks:
+  - id: reuse

CMakeLists.txt

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 cmake_minimum_required(VERSION 3.5)
 project(binsparse-rc)
 

LICENSE renamed to LICENSES/BSD-3-Clause.txt

@@ -1,3 +1,9 @@
+<!--
+SPDX-FileCopyrightText: 2024 Binsparse Developers
+
+SPDX-License-Identifier: BSD-3-Clause
+-->
+
 # Binsparse C Reference Implementation
 
 This library is a reference implementation of the [binsparse Binary Sparse Format Specification](https://github.com/GraphBLAS/binsparse-specification) written using C.

README.md

@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2024 Binsparse Developers
+#
+# SPDX-License-Identifier: BSD-3-Clause
+
 function(add_example example_name)
   add_executable(${example_name} ${example_name}.c)
   target_link_libraries(${example_name} binsparse-rc)
@@ -10,6 +14,7 @@ add_example(simple_write)
 add_example(mtx2bsp)
 add_example(bsp2mtx)
 add_example(check_equivalence)
+add_example(check_equivalence_parallel)
 add_example(bsp-ls)
 add_example(benchmark_read)
 add_example(benchmark_read_parallel)

examples/CMakeLists.txt

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Binsparse Developers
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #include <binsparse/binsparse.h>
 #include <stdlib.h>
 #include <time.h>

examples/benchmark_read.c

@@ -1,3 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Binsparse Developers
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
 #include <binsparse/binsparse.h>
 #include <stdlib.h>
 #include <time.h>
@@ -61,8 +67,9 @@ int main(int argc, char** argv) {
   char* file_name = argv[1];
 
   printf("Opening %s\n", file_name);
+  fflush(stdout);
 
-  const int num_trials = 2;
+  const int num_trials = 10;
 
   int num_threads = 6;
 
@@ -71,11 +78,10 @@ int main(int argc, char** argv) {
   size_t nbytes = 0;
 
   // To flush the filesystem cache before each trial, change to `true`.
-  bool cold_cache = true;
+  bool cold_cache = false;
 
   // If running warm cache experiments, read once to warm cache.
-  if (!cold_cache && false) {
-    printf("Warm cache read...\n");
+  if (!cold_cache) {
     bsp_matrix_t mat = bsp_read_matrix_parallel(file_name, NULL, num_threads);
     bsp_destroy_matrix_t(mat);
   }
@@ -84,6 +90,7 @@ int main(int argc, char** argv) {
     if (cold_cache) {
       flush_cache();
     }
+    fflush(stdout);
     double begin = gettime();
     bsp_matrix_t mat = bsp_read_matrix_parallel(file_name, NULL, num_threads);
     double end = gettime();
@@ -95,6 +102,7 @@ int main(int argc, char** argv) {
     double gbytes = ((double) nbytes) / 1024 / 1024 / 1024;
     double gbytes_s = gbytes / durations[i];
     printf("FORPARSER: %s,%lf,%lf\n", file_name, durations[i], gbytes_s);
+    fflush(stdout);
   }
 
   printf("[");