stretch-minimal-rockpro64
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INFO'S
- Image Name: stretch-minimal-rockpro64
- Inhalt: Debian 9 Stretch mit Minimalausstattung
- Downloadlink: https://github.com/ayufan-rock64/linux-build/releases
- Autor: Ayufan
ANWENDUNG
Das Image auf eine SD-Karte schreiben, den ROCKPro64 damit starten.
Status
Startet nicht - Fehler!
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Mit 0.7.2 startet das Image. LAN ok.
rock64@rockpro64:~$ iperf3 -c 192.168.3.213 Connecting to host 192.168.3.213, port 5201 [ 4] local 192.168.3.9 port 33558 connected to 192.168.3.213 port 5201 [ ID] Interval Transfer Bandwidth Retr Cwnd [ 4] 0.00-1.00 sec 116 MBytes 970 Mbits/sec 0 938 KBytes [ 4] 1.00-2.00 sec 112 MBytes 942 Mbits/sec 0 1012 KBytes [ 4] 2.00-3.00 sec 112 MBytes 942 Mbits/sec 0 1.00 MBytes [ 4] 3.00-4.00 sec 112 MBytes 941 Mbits/sec 0 1.11 MBytes [ 4] 4.00-5.00 sec 112 MBytes 941 Mbits/sec 0 1.11 MBytes [ 4] 5.00-6.00 sec 112 MBytes 941 Mbits/sec 0 1.11 MBytes [ 4] 6.00-7.00 sec 106 MBytes 890 Mbits/sec 0 6.01 MBytes [ 4] 7.00-8.00 sec 113 MBytes 952 Mbits/sec 0 6.01 MBytes [ 4] 8.00-9.00 sec 112 MBytes 941 Mbits/sec 0 6.01 MBytes [ 4] 9.00-10.00 sec 112 MBytes 942 Mbits/sec 0 6.01 MBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth Retr [ 4] 0.00-10.00 sec 1.09 GBytes 940 Mbits/sec 0 sender [ 4] 0.00-10.00 sec 1.09 GBytes 937 Mbits/sec receiver iperf Done. rock64@rockpro64:~$ iperf3 -s ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- Accepted connection from 192.168.3.213, port 51756 [ 5] local 192.168.3.9 port 5201 connected to 192.168.3.213 port 51758 [ ID] Interval Transfer Bandwidth [ 5] 0.00-1.00 sec 110 MBytes 923 Mbits/sec [ 5] 1.00-2.00 sec 112 MBytes 941 Mbits/sec [ 5] 2.00-3.00 sec 112 MBytes 942 Mbits/sec [ 5] 3.00-4.00 sec 112 MBytes 941 Mbits/sec [ 5] 4.00-5.00 sec 112 MBytes 941 Mbits/sec [ 5] 5.00-6.00 sec 112 MBytes 941 Mbits/sec [ 5] 6.00-7.00 sec 112 MBytes 942 Mbits/sec [ 5] 7.00-8.00 sec 112 MBytes 941 Mbits/sec [ 5] 8.00-9.00 sec 112 MBytes 941 Mbits/sec [ 5] 9.00-10.00 sec 112 MBytes 942 Mbits/sec [ 5] 10.00-10.02 sec 1.79 MBytes 931 Mbits/sec - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bandwidth [ 5] 0.00-10.02 sec 0.00 Bytes 0.00 bits/sec sender [ 5] 0.00-10.02 sec 1.10 GBytes 940 Mbits/sec receiver ----------------------------------------------------------- Server listening on 5201 ----------------------------------------------------------- ^Ciperf3: interrupt - the server has terminated -
Mal ein Test was der Speicher so kann.
rock64@rockpro64:~/tinymembench$ ./tinymembench tinymembench v0.4.9 (simple benchmark for memory throughput and latency) ========================================================================== == Memory bandwidth tests == == == == Note 1: 1MB = 1000000 bytes == == Note 2: Results for 'copy' tests show how many bytes can be == == copied per second (adding together read and writen == == bytes would have provided twice higher numbers) == == Note 3: 2-pass copy means that we are using a small temporary buffer == == to first fetch data into it, and only then write it to the == == destination (source -> L1 cache, L1 cache -> destination) == == Note 4: If sample standard deviation exceeds 0.1%, it is shown in == == brackets == ========================================================================== C copy backwards : 2812.7 MB/s C copy backwards (32 byte blocks) : 2811.9 MB/s C copy backwards (64 byte blocks) : 2632.8 MB/s C copy : 2667.2 MB/s C copy prefetched (32 bytes step) : 2633.5 MB/s C copy prefetched (64 bytes step) : 2640.8 MB/s C 2-pass copy : 2509.8 MB/s C 2-pass copy prefetched (32 bytes step) : 2431.6 MB/s C 2-pass copy prefetched (64 bytes step) : 2424.1 MB/s C fill : 4887.7 MB/s (0.5%) C fill (shuffle within 16 byte blocks) : 4883.0 MB/s C fill (shuffle within 32 byte blocks) : 4889.3 MB/s C fill (shuffle within 64 byte blocks) : 4889.2 MB/s --- standard memcpy : 2807.3 MB/s standard memset : 4890.4 MB/s (0.3%) --- NEON LDP/STP copy : 2803.7 MB/s NEON LDP/STP copy pldl2strm (32 bytes step) : 2802.1 MB/s NEON LDP/STP copy pldl2strm (64 bytes step) : 2800.7 MB/s NEON LDP/STP copy pldl1keep (32 bytes step) : 2745.5 MB/s NEON LDP/STP copy pldl1keep (64 bytes step) : 2745.8 MB/s NEON LD1/ST1 copy : 2801.9 MB/s NEON STP fill : 4888.9 MB/s (0.3%) NEON STNP fill : 4850.1 MB/s ARM LDP/STP copy : 2803.8 MB/s ARM STP fill : 4893.0 MB/s (0.5%) ARM STNP fill : 4851.7 MB/s ========================================================================== == Framebuffer read tests. == == == == Many ARM devices use a part of the system memory as the framebuffer, == == typically mapped as uncached but with write-combining enabled. == == Writes to such framebuffers are quite fast, but reads are much == == slower and very sensitive to the alignment and the selection of == == CPU instructions which are used for accessing memory. == == == == Many x86 systems allocate the framebuffer in the GPU memory, == == accessible for the CPU via a relatively slow PCI-E bus. Moreover, == == PCI-E is asymmetric and handles reads a lot worse than writes. == == == == If uncached framebuffer reads are reasonably fast (at least 100 MB/s == == or preferably >300 MB/s), then using the shadow framebuffer layer == == is not necessary in Xorg DDX drivers, resulting in a nice overall == == performance improvement. For example, the xf86-video-fbturbo DDX == == uses this trick. == ========================================================================== NEON LDP/STP copy (from framebuffer) : 602.5 MB/s NEON LDP/STP 2-pass copy (from framebuffer) : 551.6 MB/s NEON LD1/ST1 copy (from framebuffer) : 667.1 MB/s NEON LD1/ST1 2-pass copy (from framebuffer) : 605.6 MB/s ARM LDP/STP copy (from framebuffer) : 445.3 MB/s ARM LDP/STP 2-pass copy (from framebuffer) : 428.8 MB/s ========================================================================== == Memory latency test == == == == Average time is measured for random memory accesses in the buffers == == of different sizes. The larger is the buffer, the more significant == == are relative contributions of TLB, L1/L2 cache misses and SDRAM == == accesses. For extremely large buffer sizes we are expecting to see == == page table walk with several requests to SDRAM for almost every == == memory access (though 64MiB is not nearly large enough to experience == == this effect to its fullest). == == == == Note 1: All the numbers are representing extra time, which needs to == == be added to L1 cache latency. The cycle timings for L1 cache == == latency can be usually found in the processor documentation. == == Note 2: Dual random read means that we are simultaneously performing == == two independent memory accesses at a time. In the case if == == the memory subsystem can't handle multiple outstanding == == requests, dual random read has the same timings as two == == single reads performed one after another. == ========================================================================== block size : single random read / dual random read 1024 : 0.0 ns / 0.0 ns 2048 : 0.0 ns / 0.0 ns 4096 : 0.0 ns / 0.0 ns 8192 : 0.0 ns / 0.0 ns 16384 : 0.0 ns / 0.0 ns 32768 : 0.0 ns / 0.0 ns 65536 : 4.5 ns / 7.2 ns 131072 : 6.8 ns / 9.7 ns 262144 : 9.8 ns / 12.8 ns 524288 : 11.4 ns / 14.7 ns 1048576 : 16.0 ns / 22.6 ns 2097152 : 114.0 ns / 175.3 ns 4194304 : 161.7 ns / 219.9 ns 8388608 : 190.7 ns / 241.5 ns 16777216 : 205.3 ns / 250.5 ns 33554432 : 212.9 ns / 255.5 ns 67108864 : 222.3 ns / 271.1 ns
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