add test gpu

1 files changed, 26 insertions, 0 deletions

diff --git a/test/test_gpu_sinkhorn.py b/test/test_gpu_sinkhorn.py
new file mode 100644
index 0000000..bfa2cd2
--- /dev/null
+++ b/test/test_gpu_sinkhorn.py
@@ -0,0 +1,26 @@
+import ot
+import numpy as np
+import time
+import ot.gpu
+
+def describeRes(r):
+    print("min:{:.3E}, max::{:.3E}, mean::{:.3E}, std::{:.3E}".format(np.min(r),np.max(r),np.mean(r),np.std(r)))
+
+
+for n in [5000, 10000, 15000, 20000]:
+    print(n)
+    a = np.random.rand(n // 4, 100)
+    b = np.random.rand(n, 100)
+    time1 = time.time()
+    transport = ot.da.OTDA_sinkhorn()
+    transport.fit(a, b)
+    G1 = transport.G
+    time2 = time.time()
+    transport = ot.gpu.da.OTDA_sinkhorn()
+    transport.fit(a, b)
+    G2 = transport.G
+    time3 = time.time()
+    print("Normal sinkhorn, time: {:6.2f} sec ".format(time2 - time1))
+    describeRes(G1)
+    print("   GPU sinkhorn, time: {:6.2f} sec ".format(time3 - time2))
+    describeRes(G2)
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