biRISC-V is a 32-bit dual issue RISC-V CPU core, which can be obtained from here,
github: http://github.com/ultraembedded/biriscv
This repo is for the software code running in the biRISC-V verilator simulation enviroment. It includes coremark and dhrystone benchmarks.
Notes: The coremark and dhrystone reuquire a memory size of 256Kb. The original biRISC-V TCM is only 64Kb. In order to run benchmarks in TCM, I configured it to 256Kb.
git clone --recursive https://github.com/kuopinghsu/biriscv.git
The SystemC and Verilator must be installed properly in system.
Install RISCV toolchains.
# Ubuntu packages needed:
sudo apt install autoconf automake autotools-dev curl libmpc-dev \
libmpfr-dev libgmp-dev gawk build-essential bison flex texinfo \
gperf libtool patchutils bc zlib1g-dev git libexpat1-dev
git clone --recursive https://github.com/riscv/riscv-gnu-toolchain
cd riscv-gnu-toolchain
mkdir build; cd build
../configure --prefix=/opt/riscv --enable-multilib
make -j$(nproc)
Install Verilator & SystemC
# Ubuntu packages needed:
sudo apt-get install verilator
# install systemc
wget https://www.accellera.org/images/downloads/standards/systemc/systemc-2.3.3.tar.gz
tar xzf systemc-2.3.3.tar.gz
cd systemc-2.3.3
mkdir build && cd build
../configure --prefix=/usr/local
make
sudo make install
# add the env into .bashrc
export SYSTEMC_HOME=/usr/local/systemc-2.3.3
export SYSTEMC_INCLUDE=$SYSTEMC_HOME/include
export SYSTEMC_LIBDIR=$SYSTEMC_HOME/lib-linux64
export LD_LIBRARY_PATH=$SYSTEMC_LIBDIR:$LD_LIBRARY_PATH
$ make hello
$ make coremark
$ make dhrystone
To run benchmarks in TCM, running the following commands.
$ make tcm=1 coremark
$ make tcm=1 dhrystone
This is the results of running coremark in external memory using gcc-10.2.0.
SystemC 2.3.3-Accellera --- May 18 2021 20:21:23
Copyright (c) 1996-2018 by all Contributors,
ALL RIGHTS RESERVED
Running: ../../../sw/coremark/coremark.elf
Memory: 0x80000000 - 0x8001d3d7 (Size=116KB) [.text]
Memory: 0x8001d3d8 - 0x8001d413 (Size=0KB) [.eh_frame]
Memory: 0x8001d418 - 0x8001f2fb (Size=7KB) [.data]
Memory: 0x8001f2fc - 0x8002334f (Size=16KB) [.bss]
Info: (I702) default timescale unit used for tracing: 1 ns (sysc_wave.vcd)
2K performance run parameters for coremark.
CoreMark Size : 666
Total ticks : 1112886
Total time (secs): 0.011129
Iterations/Sec : 359.425853
Iterations : 4
Compiler version : GCC10.2.0
Compiler flags : -O2 -march=rv32im -mabi=ilp32 -nostartfiles -nostdlib -L../common -DPERFORMANCE_RUN=1 -fno-common -funroll-loops -finline-functions -falign-functions=16 -falign-jumps=4 -falign-loops=4 -finline-limit=1000 -fno-if-conversion2 -fselective-scheduling -fno-tree-dominator-opts -fno-reg-struct-return -fno-rename-registers --param case-values-threshold=8 -fno-crossjumping -freorder-blocks-and-partition -fno-tree-loop-if-convert -fno-tree-sink -fgcse-sm -fno-strict-overflow -lc -lm -lgcc -lsys -T ../common/default.ld
Memory location : STACK
seedcrc : 0xe9f5
[0]crclist : 0xe714
[0]crcmatrix : 0x1fd7
[0]crcstate : 0x8e3a
[0]crcfinal : 0x9f95
Correct operation validated. See README.md for run and reporting rules.
CoreMark 1.0 : 359.425853 / GCC10.2.0 -O2 -march=rv32im -mabi=ilp32 -nostartfiles -nostdlib -L../common -DPERFORMANCE_RUN=1 -fno-common -funroll-loops -finline-functions -falign-functions=16 -falign-jumps=4 -falign-loops=4 -finline-limit=1000 -fno-if-conversion2 -fselective-scheduling -fno-tree-dominator-opts -fno-reg-struct-return -fno-rename-registers --param case-values-threshold=8 -fno-crossjumping -freorder-blocks-and-partition -fno-tree-loop-if-convert -fno-tree-sink -fgcse-sm -fno-strict-overflow -lc -lm -lgcc -lsys -T ../common/default.ld / STACK
CoreMark/MHz: 3.594259
TB: Aborted at 14088860 ns
This is the results of running dhrystone in external memory using gcc-10.2.0.
SystemC 2.3.3-Accellera --- May 18 2021 20:21:23
Copyright (c) 1996-2018 by all Contributors,
ALL RIGHTS RESERVED
Running: ../../../sw/dhrystone/dhrystone.elf
Memory: 0x80000000 - 0x80015387 (Size=84KB) [.text]
Memory: 0x80015388 - 0x800153c3 (Size=0KB) [.eh_frame]
Memory: 0x800153c8 - 0x80017123 (Size=7KB) [.data]
Memory: 0x80017124 - 0x8001d967 (Size=26KB) [.bss]
Info: (I702) default timescale unit used for tracing: 1 ns (sysc_wave.vcd)
Dhrystone Benchmark, Version 2.1 (Language: C)
Program compiled without 'register' attribute
Please give the number of runs through the benchmark:
Execution starts, 100 runs through Dhrystone
Execution ends
Final values of the variables used in the benchmark:
Int_Glob: 5
should be: 5
Bool_Glob: 1
should be: 1
Ch_1_Glob: A
should be: A
Ch_2_Glob: B
should be: B
Arr_1_Glob[8]: 7
should be: 7
Arr_2_Glob[8][7]: 110
should be: Number_Of_Runs + 10
Ptr_Glob->
Ptr_Comp: -2147378832
should be: (implementation-dependent)
Discr: 0
should be: 0
Enum_Comp: 2
should be: 2
Int_Comp: 17
should be: 17
Str_Comp: DHRYSTONE PROGRAM, SOME STRING
should be: DHRYSTONE PROGRAM, SOME STRING
Next_Ptr_Glob->
Ptr_Comp: -2147378832
should be: (implementation-dependent), same as above
Discr: 0
should be: 0
Enum_Comp: 1
should be: 1
Int_Comp: 18
should be: 18
Str_Comp: DHRYSTONE PROGRAM, SOME STRING
should be: DHRYSTONE PROGRAM, SOME STRING
Int_1_Loc: 5
should be: 5
Int_2_Loc: 13
should be: 13
Int_3_Loc: 7
should be: 7
Enum_Loc: 1
should be: 1
Str_1_Loc: DHRYSTONE PROGRAM, 1'ST STRING
should be: DHRYSTONE PROGRAM, 1'ST STRING
Str_2_Loc: DHRYSTONE PROGRAM, 2'ND STRING
should be: DHRYSTONE PROGRAM, 2'ND STRING
Number_Of_Runs: 100
User_Time: 24960 cycles
Dhrystones_Per_Second_Per_MHz: 4006
DMIPS_Per_MHz: 2.280
TB: Aborted at 1655460 ns
This is the summaries obtained using different compiler versions.
| In External Memory | gcc-7.2.0 | gcc-8.3.0 | gcc-9.2.0 | gcc-10.2.0 | gcc-11.1.0 |
|---|---|---|---|---|---|
| DMIPS/MHz | 2.228 | 2.244 | 2.292 | 2.280 | 2.269 |
| CoreMark/MHz | 4.059887 | 4.08323 | 3.592209 | 3.594259 | 3.978821 |
| In TCM | gcc-7.2.0 | gcc-8.3.0 | gcc-9.2.0 | gcc-10.2.0 | gcc-11.1.0 |
|---|---|---|---|---|---|
| DMIPS/MHz | 2.346 | 2.349 | 2.389 | 2.400 | 2.383 |
| CoreMark/MHz | 4.142030 | 4.161448 | 3.649139 | 3.668722 | 4.052968 |
