Linux 2.2.18 Performance Benchmarks ------------------------------------ /opt/DIS/bin/dma_bench program compiled Jan 28 2001 : 23:43:03 Test parameters for client ---------------------------- Local nodeId : 8 Remote nodeId : 4 Local adapter no. : 0 Block size : 65536 Loops to execute : 3 ILoops to execute : 1000 Key Offset : 0 Direction : PUSH ---------------------------- Local segment (id=0x80400, size=65536) is created. Local segment (id=0x80400, size=65536) is created. Local segment (id=0x80400) is mapped to user space. Trying to connect to remote segment (id=0x40800) at node 4 Remote segment (id=0x40800) is connected. -- Starting the data transfer -- ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 112.00 us 0.57 MBytes/s 128 113.00 us 1.13 MBytes/s 256 115.00 us 2.23 MBytes/s 512 120.00 us 4.27 MBytes/s 1024 130.00 us 7.88 MBytes/s 2048 150.00 us 13.65 MBytes/s 4096 188.00 us 21.79 MBytes/s 8192 266.00 us 30.80 MBytes/s 16384 423.00 us 38.73 MBytes/s 32768 758.00 us 43.23 MBytes/s 65536 1440.00 us 45.51 MBytes/s ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 112.00 us 0.57 MBytes/s 128 113.00 us 1.13 MBytes/s 256 115.00 us 2.23 MBytes/s 512 120.00 us 4.27 MBytes/s 1024 130.00 us 7.88 MBytes/s 2048 150.00 us 13.65 MBytes/s 4096 188.00 us 21.79 MBytes/s 8192 266.00 us 30.80 MBytes/s 16384 423.00 us 38.73 MBytes/s 32768 758.00 us 43.23 MBytes/s 65536 1439.00 us 45.54 MBytes/s ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 112.00 us 0.57 MBytes/s 128 112.00 us 1.14 MBytes/s 256 115.00 us 2.23 MBytes/s 512 120.00 us 4.27 MBytes/s 1024 129.00 us 7.94 MBytes/s 2048 150.00 us 13.65 MBytes/s 4096 188.00 us 21.79 MBytes/s 8192 266.00 us 30.80 MBytes/s 16384 423.00 us 38.73 MBytes/s 32768 758.00 us 43.23 MBytes/s 65536 1439.00 us 45.54 MBytes/s Node 8 triggering interrupt Interrupt message sent to remote node DMA transfer done! The segment is disconnected The local segment is unmapped The local segment is removed