一般拿到一款MCU的时候，如果性能还可以，就会进行coremark测试，用来评估大致的性能，目前FR3068X-C使用的时ARM MC1(M33)内核，而且带有FPU和DSP核心，最高192M核心主频，那就拉出来遛遛。这次的对比对象第一个是全志的R128，其中包含M33和C906内核，M33是192M主频，C906是533M主频;第二个是博流的BL808，E907内核320M，C906内核480M；
0.因为优化程度不同，一般默认能开-O3就开，不能开就开-O2，代码都是运行在flash中。
1.全志R128-M33，192M频率，-O3优化程度，代码在XIPflash运行
coremark_main@0C0115A5
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 39312
Total time (secs): 39.312000
Iterations/Sec : 508.750509
Iterations : 20000
Compiler version : GCC8.3.1 20190703 (release) [gcc-8-branch revision 273027]
Compiler flags : -O3
Memory location : STACK
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x382f
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 508.750509 / GCC8.3.1 20190703 (release) [gcc-8-branch revision 273027] -O3 / STACK 结果如下：508/192=2.64
2.全志R128-C906，533M频率，-O3优化程度，代码在XIPflash运行
coremark_main@0000000010011D20
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 11691
Total time (secs): 11.691000
Iterations/Sec : 1710.717646
Iterations : 20000
Compiler version : GCC8.4.0
Compiler flags : -O3
Memory location : STACK
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x382f
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 1710.717646 / GCC8.4.0 -O3 / STACK 测试结果为1710/533=3.2, 很接近官方的3.8了；
3.博流BL808的E907内核，320M主频，-O3优化，代码在XIPflash运行
Benchmark started, please make sure it runs for at least 10s.
Now PC=58014b88
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 18067
Total time (secs): 18
Iterations/Sec : 1111
Iterations : 20000
Compiler version : GCC10.2.0
Compiler flags : -O3
Memory location : STACK
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x382f
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 1111 / GCC10.2.0 -O3 / STACK 测试结果为1111/320=3.47；
4.博流BL808的C906内核，480M主频，-O3优化，代码在XIPflash运行
Benchmark started, please make sure it runs for at least 10s.
Now PC=580104c2
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 12240
Total time (secs): 12
Iterations/Sec : 1666
Iterations : 20000
Compiler version : GCC10.2.0
Compiler flags : -O3
Memory location : Stack
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x382f
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 1666 / GCC10.2.0 -O3 / Stack 测试结果为1666/480=3.47;
5.富芮坤FR3068X-C，M33内核，192M主频，-O3优化，代码在XIPflash运行
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 17877
Total time (secs): 17
Iterations/Sec : 588
Iterations : 10000
Compiler version : GCCClang 13.0.0 (ssh://ds-gerrit/armcompiler/llvm-project 1f5770d6f72ee4eba2159092bbf4cbb819be323a)
Compiler flags : -O3
Memory location : STACK
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x988c
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 588 / GCCClang 13.0.0 (ssh://ds-gerrit/armcompiler/llvm-project 1f5770d6f72ee4eba2159092bbf4cbb819be323a) -O3 / STACK 测试结果为588/192=3.06,超过全志R128的CM33内核.
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