Linux 2.4.0 Performance Benchmarks ------------------------------------ /opt/DIS/bin/dma_bench program compiled Jan 28 2001 : 22:41:53 Test parameters for client ---------------------------- Local nodeId : 4 Remote nodeId : 8 Local adapter no. : 0 Block size : 65536 Loops to execute : 3 ILoops to execute : 1000 Key Offset : 0 Direction : PUSH ---------------------------- Local segment (id=0x40800, size=65536) is created. Local segment (id=0x40800, size=65536) is created. Local segment (id=0x40800) is mapped to user space. Trying to connect to remote segment (id=0x80400) at node 8 Remote segment (id=0x80400) is connected. -- Starting the data transfer -- ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 52.00 us 1.23 MBytes/s 128 52.00 us 2.46 MBytes/s 256 54.00 us 4.74 MBytes/s 512 58.00 us 8.83 MBytes/s 1024 65.00 us 15.75 MBytes/s 2048 80.00 us 25.60 MBytes/s 4096 110.00 us 37.24 MBytes/s 8192 170.00 us 48.19 MBytes/s 16384 290.00 us 56.50 MBytes/s 32768 532.00 us 61.59 MBytes/s 65536 1009.00 us 64.95 MBytes/s ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 52.00 us 1.23 MBytes/s 128 52.00 us 2.46 MBytes/s 256 54.00 us 4.74 MBytes/s 512 58.00 us 8.83 MBytes/s 1024 65.00 us 15.75 MBytes/s 2048 80.00 us 25.60 MBytes/s 4096 110.00 us 37.24 MBytes/s 8192 170.00 us 48.19 MBytes/s 16384 290.00 us 56.50 MBytes/s 32768 531.00 us 61.71 MBytes/s 65536 1011.00 us 64.82 MBytes/s ---------------------------------------------------- Segment size: Latency: Throughput: ---------------------------------------------------- 64 52.00 us 1.23 MBytes/s 128 52.00 us 2.46 MBytes/s 256 54.00 us 4.74 MBytes/s 512 58.00 us 8.83 MBytes/s 1024 65.00 us 15.75 MBytes/s 2048 80.00 us 25.60 MBytes/s 4096 110.00 us 37.24 MBytes/s 8192 170.00 us 48.19 MBytes/s 16384 290.00 us 56.50 MBytes/s 32768 532.00 us 61.59 MBytes/s 65536 1012.00 us 64.76 MBytes/s Node 4 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