test: add gpu=cuda dependency to device tests in testlist.bench

Author: lowpolyneko

test/mpi/bench/testlist.bench

@@ -1,13 +1,14 @@
 # performance tests are performed for (senddev, recvdev) \in {host, device}^2
+# host->host always runs on non-gpu targets
 
 # latency tests
 p2p_latency 2 arg=-senddev=host arg=-recvdev=host resultTest=TestBench
-p2p_latency 2 arg=-senddev=host arg=-recvdev=device resultTest=TestBench
-p2p_latency 2 arg=-senddev=device arg=-recvdev=host resultTest=TestBench
-p2p_latency 2 arg=-senddev=device arg=-recvdev=device resultTest=TestBench
+p2p_latency 2 arg=-senddev=host arg=-recvdev=device gpu=cuda resultTest=TestBench
+p2p_latency 2 arg=-senddev=device arg=-recvdev=host gpu=cuda resultTest=TestBench
+p2p_latency 2 arg=-senddev=device arg=-recvdev=device gpu=cuda resultTest=TestBench
 
 # bw tests
 p2p_bw 2 arg=-senddev=host arg=-recvdev=host resultTest=TestBench
-p2p_bw 2 arg=-senddev=host arg=-recvdev=device resultTest=TestBench
-p2p_bw 2 arg=-senddev=device arg=-recvdev=host resultTest=TestBench
-p2p_bw 2 arg=-senddev=device arg=-recvdev=device resultTest=TestBench
+p2p_bw 2 arg=-senddev=host arg=-recvdev=device gpu=cuda resultTest=TestBench
+p2p_bw 2 arg=-senddev=device arg=-recvdev=host gpu=cuda resultTest=TestBench
+p2p_bw 2 arg=-senddev=device arg=-recvdev=device gpu=cuda resultTest=TestBench