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blender_test_perf.py
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Authored by Campbell Barton (campbellbarton) on Jul 26 2021, 6:02 AM.
#!/usr/bin/env python3
# NOTE: this relies on there being a timer in the normal function, example patch.
'''
diff --git a/source/blender/blenkernel/intern/mesh_normals.cc b/source/blender/blenkernel/intern/mesh_normals.cc
index f496d6eada1..bda094d504a 100644
--- a/source/blender/blenkernel/intern/mesh_normals.cc
+++ b/source/blender/blenkernel/intern/mesh_normals.cc
@@ -52,10 +52,10 @@
// #define DEBUG_TIME
-#ifdef DEBUG_TIME
-# include "PIL_time.h"
-# include "PIL_time_utildefines.h"
-#endif
+// #ifdef DEBUG_TIME
+#include "PIL_time.h"
+#include "PIL_time_utildefines.h"
+// #endif
static CLG_LogRef LOG = {"bke.mesh_normals"};
@@ -308,6 +308,7 @@ void BKE_mesh_calc_normals_poly(MVert *mverts,
float (*r_polynors)[3],
const bool only_face_normals)
{
+ TIMEIT_START(BKE_mesh_calc_normals_poly);
float(*pnors)[3] = r_polynors;
TaskParallelSettings settings;
@@ -368,6 +369,8 @@ void BKE_mesh_calc_normals_poly(MVert *mverts,
MEM_freeN(vnors);
}
MEM_freeN(lnors_weighted);
+
+ TIMEIT_END(BKE_mesh_calc_normals_poly);
}
void BKE_mesh_ensure_normals(Mesh *mesh)
'''
import os
import subprocess
TEST_FILES = "/test/files/normals"
files = (
# "regular_normals_00001k.blend",
# "regular_normals_00002k.blend",
# "regular_normals_00004k.blend",
# "regular_normals_00008k.blend",
# "regular_normals_00016k.blend",
# "regular_normals_00032k.blend",
"regular_normals_00064k.blend",
"regular_normals_00128k.blend",
"regular_normals_00256k.blend",
"regular_normals_00512k.blend",
"regular_normals_01024k.blend",
"regular_normals_02048k.blend",
"regular_normals_25000k.blend",
)
bins = (
"/src/release_build/bin/blender_before",
"/src/release_build/bin/blender",
)
time_data_per_file = []
for f in files:
print("\n====", f)
fp = os.path.join(TEST_FILES, f)
time_for_each_binary = []
for bin in bins:
print("\n----", bin)
args = (
bin,
"--factory-startup",
fp,
"--enable-event-simulate",
"--python", "/src/blender/tests/python/bl_run_operators_event_simulate.py",
"--",
"--time-actions",
"--actions",
'area_maximize(ui_type="VIEW_3D")',
'operator("transform.translate")',
'cursor_motion(path="CIRCLE", radius=300, steps=20, repeat=1)',
)
# print(args)
text = subprocess.check_output(args).decode("utf-8")
text = text.split("Read blend:", 1)[1]
text = text.split("Average:")[0]
print(text)
t = 0.0
n = 0
for l in text.split("\n"):
if l.startswith("time end "):
t += float(l.split()[3])
n += 1
t = t / n
time_for_each_binary.append(t)
time_data_per_file.append((f, tuple(time_for_each_binary)))
print("| File | Before | After | Speedup |")
speedup = 0
speedup_count = 0
for f, (t_before, t_after) in time_data_per_file:
print("| %s | %.6f | %.6f | %.6f |" % (f, t_before, t_after, t_before / t_after))
speedup += t_before / t_after
speedup_count += 1
print("| | | | %.6f |" % (speedup / speedup_count))
# ----
# Snippet for matplotlib:
'''
import matplotlib.pyplot as plt
import matplotlib.ticker as ticker
# Data for plotting
fig, ax = plt.subplots()
ax.plot([d[0] for d in data], [d[1] for d in data])
ax.plot([d[0] for d in data], [d[2] for d in data])
print([d[0] for d in data])
ax.yaxis.set_major_formatter(ticker.FormatStrFormatter('%.4f sec'))
ax.xaxis.set_major_formatter(ticker.FormatStrFormatter('%.1f'))
ax.set(xlabel='Polygons (10k .. 2million)', ylabel='Time (seconds)',
title='Blue (before the patch), Orange (after)')
ax.grid()
fig.savefig("test.png")
plt.show()
'''