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【米尔MYD-JX8MPQ开发板试用体验】之不服跑个分

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2022-2-25 23:28:10 13319 开发板

0 20220225231727 获取代码从开始菜单打开Ubuntu终端 cd /home/lhj/MYD_JX8MP/ 下载代码输入git clone https://github.com/eembc/coremark.git 回车 lhj@DESKTOP-BINN7F8:~/MYD_JX8MP$ git clone https://github.com/eembc/coremark.git Cloning into 'coremark'... remote: Enumerating objects: 338, done. remote: Counting objects: 100% (73/73), done. remote: Compressing objects: 100% (56/56), done. remote: Total 338 (delta 31), reused 44 (delta 15), pack-reused 265 Receiving objects: 100% (338/338), 516.01 KiB \| 1022.00 KiB/s, done. Resolving deltas: 100% (190/190), done. lhj@DESKTOP-BINN7F8:~/MYD_JX8MP$ cd coremark/ code . 打开代码如下交叉编译菜单栏【终端】-【新建终端】底部弹出终端输入 source ../meta/environment-setup-cortexa53-crypto-poky-linux 加载环境变量输入mkdir MYD_JX8MP && cp linux/* MYD_JX8MP回车复制模板输入make PORT_DIR=MYD_JX8MP进行编译打印如下: lhj@DESKTOP-BINN7F8:~/MYD_JX8MP/coremark$ make PORT_DIR=MYD_JX8MP make XCFLAGS=" -DPERFORMANCE_RUN=1" load run1.log make[1]: Entering directory '/home/lhj/MYD_JX8MP/coremark' make port_preload make[2]: Entering directory '/home/lhj/MYD_JX8MP/coremark' make[2]: Nothing to be done for 'port_preload'. make[2]: Leaving directory '/home/lhj/MYD_JX8MP/coremark' echo Loading done ./coremark.exe Loading done ./coremark.exe make port_postload make[2]: Entering directory '/home/lhj/MYD_JX8MP/coremark' make[2]: Nothing to be done for 'port_postload'. make[2]: Leaving directory '/home/lhj/MYD_JX8MP/coremark' make port_prerun make[2]: Entering directory '/home/lhj/MYD_JX8MP/coremark' make[2]: Nothing to be done for 'port_prerun'. make[2]: Leaving directory '/home/lhj/MYD_JX8MP/coremark' ./coremark.exe 0x0 0x0 0x66 0 7 1 2000 > ./run1.log /bin/sh: 1: ./coremark.exe: Exec format error make[1]: * [Makefile:113: run1.log] Error 2 make[1]: Leaving directory '/home/lhj/MYD_JX8MP/coremark' make: * [Makefile:100: rerun] Error 2 lhj@DESKTOP-BINN7F8:~/MYD_JX8MP/coremark$ 错误信息不管,因为是交叉编译的不能在本地执行。 ls查看生成了coremark.exe可执行文件,注意该文件是交叉编译生成在开发板执行的,后缀.exe是因为使用模板posix/core_portme.mak定义了EXE = .exe lhj@DESKTOP-BINN7F8:~/MYD_JX8MP/coremark$ ls LICENSE.md Makefile barebones core_main.c core_state.c coremark.exe coremark.md5 docs linux posix run1.log MYD_JX8MP README.md core_list_join.c core_matrix.c core_util.c coremark.h cygwin freebsd macos rtems simple lhj@DESKTOP-BINN7F8:~/MYD_JX8MP/coremark$ 运行测试 cp coremark.exe /mnt/e复制到windows下 CRT串口终端导入到开发板,执行 root@myd-jx8mp:~# rz rz waiting to receive. Starting zmodem transfer. Press Ctrl+C to cancel. Transferring coremark.exe... 100% 34 KB 11 KB/sec 00:00:03 0 Errors root@myd-jx8mp:~# chmod +x coremark.exe root@myd-jx8mp:~# ./coremark.exe 2K performance run parameters for coremark. CoreMark Size : 666 Total ticks : 20893 Total time (secs): 20.893000 Iterations/Sec : 5264.921265 Iterations : 110000 Compiler version : GCC10.2.0 Compiler flags : -O2 -DPERFORMANCE_RUN=1 -lrt Memory location : Please put data memory location here (e.g. code in flash, data on heap etc) seedcrc : 0xe9f5 [0]crclist : 0xe714 [0]crcmatrix : 0x1fd7 [0]crcstate : 0x8e3a [0]crcfinal : 0x33ff Correct operation validated. See README.md for run and reporting rules. CoreMark 1.0 : 5264.921265 / GCC10.2.0 -O2 -DPERFORMANCE_RUN=1 -lrt / Heap root@myd-jx8mp:~# 可以看到跑分为5264.921265 提高优化等级将posix/core_portme.mak里PORT_CFLAGS = -O2改为PORT_CFLAGS = -O3 再次编译运行 oot@myd-jx8mp:~# rz rz waiting to receive. Starting zmodem transfer. Press Ctrl+C to cancel. Transferring coremark.exe... 100% 33 KB 11 KB/sec 00:00:03 0 Errors root@myd-jx8mp:~# chmod +x coremark.exe root@myd-jx8mp:~# ./coremark.exe 2K performance run parameters for coremark. CoreMark Size : 666 Total ticks : 20875 Total time (secs): 20.875000 Iterations/Sec : 5269.461078 Iterations : 110000 Compiler version : GCC10.2.0 Compiler flags : -O3 -DPERFORMANCE_RUN=1 -lrt Memory location : Please put data memory location here (e.g. code in flash, data on heap etc) seedcrc : 0xe9f5 [0]crclist : 0xe714 [0]crcmatrix : 0x1fd7 [0]crcstate : 0x8e3a [0]crcfinal : 0x33ff Correct operation validated. See README.md for run and reporting rules. CoreMark 1.0 : 5269.461078 / GCC10.2.0 -O3 -DPERFORMANCE_RUN=1 -lrt / Heap root@myd-jx8mp:~# 查看排名 https://www.eembc.org/coremark/scores.php 下可以看到各测试的分数搜索A53可以看到i.MX8M处理器的跑分有差不多20000,和我这里的5000多差距较大，后面有时间再去看看是什么原因导致的。 0 【米尔MYD-JX8MPQ开发板试用体验】之不服跑个分.doc 121.41 KB , 下载次数: 0
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