benchmarking

[linsinan1995]

rv32imc (relative and absolute size)

Benchmark            size
---------            ----
aha-mont64          1,082
crc32                 228
cubic               2,514
edn                 1,488
huffbench           1,814
matmult-int           452
md5sum                942
minver              1,180
nbody                 968
nettle-aes          2,800
nettle-sha256       5,570
nsichneu           15,964
picojpeg            8,480
primecount            222
qrduino             6,268
sglib-combined      2,556
slre                2,590
st                  1,006
statemate           3,714
tarfind               490
ud                    760
wikisort            4,492
---------           -----
Geometric mean      1,687
Geometric SD            2.99
Geometric range  4,485.0811275848
All benchmarks sized successfully

rv32im_zca_zcb_zcmp

ute
Benchmark            size
---------            ----
aha-mont64          1,020
crc32                 212
cubic               2,314
edn                 1,390
huffbench           1,718
matmult-int           410
md5sum                870
minver              1,042
nbody                 830
nettle-aes          2,614
nettle-sha256       5,502
nsichneu           15,986
picojpeg            7,746
primecount            224
qrduino             5,634
sglib-combined      2,370
slre                2,326
st                    850
statemate           3,662
tarfind               462
ud                    730
wikisort            4,094
---------           -----
Geometric mean      1,567
Geometric SD            3.01
Geometric range  4,195.47342279375
All benchmarks sized successfully

rv32im_zca_zcb_zcmp_zcmt_zicsr

Benchmark            size
---------            ----
aha-mont64          1,020
crc32                 212
cubic               2,278
edn                 1,378
huffbench           1,706
matmult-int           414
md5sum                858
minver              1,042
nbody                 830
nettle-aes          2,584
nettle-sha256       5,466
nsichneu           15,708
picojpeg            7,510
primecount            224
qrduino             5,562
sglib-combined      2,322
slre                2,306
st                    846
statemate           3,606
tarfind               454
ud                    722
wikisort            3,986
---------           -----
Geometric mean      1,552
Geometric SD            2.99
Geometric range  4,122.089052180286
All benchmarks sized successfully

reproduce

RISCV32ZCMT=/home/linsinan/gnu/riscv-gnu-toolchain/obj-rv32g_zca_zcb_zcmp_zcmt

RVMARCH=rv32im_zca_zcb_zcmp_zcmt_zicsr

./build_all.py -v --arch riscv32 --chip generic --board ri5cyverilator --cc $RISCV32ZCMT/bin/riscv32-unknown-elf-gcc --cflags="-c -march=$RVMARCH -mabi=ilp32 -Os -ffunction-sections -fdata-sections" --ldflags="-Wl,-gc-sections -march=$RVMARCH -mabi=ilp32 -Os --specs=nosys.specs --specs=nano.specs -nostartfiles"  --dummy-libs="crt0 libc libgcc libm" --clean

python3 benchmark_size.py # --absolute

ref: embench/embench-iot#94