Replaced the R graph scripts with Python/Matplotlib benchmark scripts

1 files changed, 76 insertions, 0 deletions

diff --git a/scripts/benchmark/plot.py b/scripts/benchmark/plot.py
new file mode 100644
index 00000000..dc4800fe
--- /dev/null
+++ b/scripts/benchmark/plot.py
@@ -0,0 +1,76 @@
+# This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This file follows the
+# PEP8 Python style guide and uses a max-width of 120 characters per line.
+#
+# Author(s):
+#   Cedric Nugteren <www.cedricnugteren.nl>
+
+import utils
+
+import matplotlib.pyplot as plt
+
+
+BLUEISH = [c / 255.0 for c in [71, 101, 177]]  # #4765b1
+REDISH = [c / 255.0 for c in [214, 117, 104]]  # #d67568
+PURPLISH = [c / 255.0 for c in [85, 0, 119]]  # #550077
+COLORS = [BLUEISH, REDISH, PURPLISH]
+MARKERS = ["o-", "x-", ".-"]
+
+
+def plot_graphs(results, file_name, num_rows, num_cols,
+                x_keys, y_keys, titles, x_labels, y_labels,
+                label_names, title, verbose):
+    assert len(results) == num_rows * num_cols
+    assert len(results) != 1
+    assert len(x_keys) == len(results)
+    assert len(y_keys) == len(results)
+    assert len(titles) == len(results)
+    assert len(x_labels) == len(results)
+    assert len(y_labels) == len(results)
+
+    # Initializes the plot
+    size_x = 6 * num_cols
+    size_y = 6 * num_rows
+    fig, axes = plt.subplots(nrows=num_rows, ncols=num_cols, figsize=(size_x, size_y), facecolor='w', edgecolor='k')
+    fig.text(.5, .93, title, horizontalalignment="center", fontsize=18)
+
+    # Loops over each subplot
+    for index, result in enumerate(results):
+        ax = axes.flat[index]
+        plt.sca(ax)
+        print("[plot] Plotting subplot %d" % index)
+
+        # Sets the x-axis labels
+        x_list = [[r[x_key] for r in result] for x_key in x_keys[index]]
+        x_ticks = [",".join([utils.float_to_kilo_mega(v) for v in values]) for values in zip(*x_list)]
+        x_location = range(len(x_ticks))
+
+        # Sets the y-data
+        y_list = [[r[y_key] for r in result] for y_key in y_keys[index]]
+        y_max = max([max(y) for y in y_list])
+
+        # Sets the axes
+        y_rounding = 10 if y_max < 80 else 50 if y_max < 400 else 200
+        y_axis_limit = (y_max * 1.2) - ((y_max * 1.2) % y_rounding) + y_rounding
+        plt.ylim(ymin=0, ymax=y_axis_limit)
+        plt.xticks(x_location, x_ticks, rotation='vertical')
+
+        # Sets the labels
+        ax.set_title(titles[index], fontsize=14, y=0.93)
+        ax.set_ylabel(y_labels[index], fontsize=14)
+        ax.set_xlabel(x_labels[index], fontsize=14)
+        ax.xaxis.set_label_coords(0.5, 0.06)
+
+        # Plots the graph
+        assert len(COLORS) >= len(y_keys[index])
+        assert len(MARKERS) >= len(y_keys[index])
+        assert len(label_names) == len(y_keys[index])
+        for i in range(len(y_keys[index])):
+            ax.plot(x_location, y_list[i], MARKERS[i], label=label_names[i], color=COLORS[i])
+
+        # Sets the legend
+        leg = ax.legend(loc=(0.02, 0.88 - 0.05 * len(y_keys[index])))
+        leg.draw_frame(False)
+
+    # Saves the plot to disk
+    fig.savefig(file_name, bbox_inches='tight')
+    plt.show()