下载源码
alan@FSLChengdu:/data/alan/lsdk$ git clone https://github.com/eembc/coremark.git
预备编译环境
alan@FSLChengdu:/data/alan/lsdk/coremark$ source /opt/fsl-qoriq/2.0/environment-setup-aarch64-fsl-linux
因为要在android上测试，所以需要静态链接，修改Makefile
diff --git a/linux64/core_portme.mak b/linux64/core_portme.mak
index 5cfabee..28f12d0 100755
--- a/linux64/core_portme.mak
+++ b/linux64/core_portme.mak
@@ -21,12 +21,12 @@
OUTFLAG= -o
# Flag: CC
# Use this flag to define compiler to use
-CC = gcc
+CC = aarch64-fsl-linux-gcc --sysroot=/opt/fsl-qoriq/2.0/sysroots/aarch64-fsl-linux
# Flag: CFLAGS
# Use this flag to define compiler options. Note, you can add compiler options from the command line using XCFLAGS="other flags"
PORT_CFLAGS = -O2
FLAGS_STR = "$(PORT_CFLAGS) $(XCFLAGS) $(XLFLAGS) $(LFLAGS_END)"
-CFLAGS = $(PORT_CFLAGS) -I$(PORT_DIR) -I. -DFLAGS_STR=\"$(FLAGS_STR)\"
+CFLAGS = $(PORT_CFLAGS) -I$(PORT_DIR) -I. -DFLAGS_STR=\"$(FLAGS_STR)\" -static
#Flag: LFLAGS_END
# Define any libraries needed for linking or other flags that should come at the end of the link line (e.g. linker scripts).
# Note: On certain platforms, the default clock_gettime implementation is supported but requires linking of librt.
编译单核版本
alan@FSLChengdu:/data/alan/lsdk/coremark$ make PORT_CFLAGS="-O3 -funroll-all-loops --param max-inline-insns-auto=550" PORT_DIR=linux64
alan@FSLChengdu:/data/alan/lsdk/coremark$ file coremark.exe
coremark.exe: ELF 64-bit LSB executable, ARM aarch64, version 1 (SYSV), statically linked, for GNU/Linux 3.14.0, BuildID[sha1]=c6bcd6a2a56bca92735d6d308113902632f0d2ef, not stripped
编译4核版本
alan@FSLChengdu:/data/alan/lsdk/coremark$ make PORT_CFLAGS="-O3 -funroll-all-loops -static --param max-inline-insns-auto=550" PORT_DIR=linux64
上传到LS1046ARDB板子测试
单核coremark性能
layerscape:/system/xbin # ./coremark.1thread
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 17748
Total time (secs): 17.748000
Iterations/Sec : 11268.875366
Iterations : 200000
Compiler version : GCC4.9.3 20150311 (prerelease)
Compiler flags : -O3 -funroll-all-loops --param max-inline-insns-auto=550 -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 : 0x4983
Correct operation validated. See readme.txt for run and reporting rules.
CoreMark 1.0 : 11268.875366 / GCC4.9.3 20150311 (prerelease) -O3 -funroll-all-loops --param max-inline-insns-auto=550 -DPERFORMANCE_RU N=1 -lrt / Heap
4核coremark性能
layerscape:/system/xbin # ./coremark.4thread
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 18273
Total time (secs): 18.273000
Iterations/Sec : 43780.441088
Iterations : 800000
Compiler version : GCC4.9.3 20150311 (prerelease)
Compiler flags : -O3 -funroll-all-loops --param max-inline-insns-auto=550 -DMULTITHREAD=4 -DUSE_FORK=1 -DPERFORMANCE_RUN=1 -lrt
Parallel Fork : 4
Memory location : Please put data memory location here
(e.g. code in flash, data on heap etc)
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