The Evolving RISC-V Architectures

RISC-V Tracking

Current tests are scalar only.

Overall Ranking

SPECint Ratio/GHz · base

XSCC 1.1 @ OpenXiangShan KMHv3 RTL
18.75
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
18.24
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
17.58
LLVM 21.1.0 @ OpenXiangShan KMHv3 RTL
16.47
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
16.02
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
15.28
LLVM 22.1.0 @ SiFive EIC7700X P550
8.26
LLVM 22.1.0 @ SpacemiT K3 X100
6.65
XSCC 1.1 @ RISC-V Board #6
5.68
XSCC 1.1 @ RISC-V Board #3
5.12

Platform Rankings

SPECint Ratio/GHz · base

KMHv3

RTL emulator

XSCC 1.1 @ OpenXiangShan KMHv3 RTL
18.75
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
18.24
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
17.58
LLVM 21.1.0 @ OpenXiangShan KMHv3 RTL
16.47
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
16.02
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
15.28

RISC-V Board

RISC-V boards

LLVM 22.1.0 @ SiFive EIC7700X P550
8.26
LLVM 22.1.0 @ SpacemiT K3 X100
6.65
XSCC 1.1 @ RISC-V Board #6
5.68
XSCC 1.1 @ RISC-V Board #3
5.12
LLVM 22.1.0 @ Zhihe A210 C920
5.04

Compiler Rankings

SPECint Ratio/GHz · base

XSCC

XSCC — XiangShan Compiler

OpenXiangShan KMHv3 RTL · XSCC 1.1
18.75
OpenXiangShan KMHv3 RTL · XSCC 1.1
18.24
OpenXiangShan KMHv3 RTL · XSCC 1.1
17.58
RISC-V Board #6 · XSCC 1.1
5.68
RISC-V Board #3 · XSCC 1.1
5.12

LLVM

LLVM / clang toolchain

OpenXiangShan KMHv3 RTL · LLVM 21.1.0
16.47
SiFive EIC7700X P550 · LLVM 22.1.0
8.26
SpacemiT K3 X100 · LLVM 22.1.0
6.65
Zhihe A210 C920 · LLVM 22.1.0
5.04

GCC

GNU Compiler Collection

OpenXiangShan KMHv3 RTL · GCC 12.1.0
16.02
OpenXiangShan KMHv3 RTL · GCC 12.1.0
15.28

Benchmark Results

400.perlbench · SPECint Ratio/GHz · base

Reference time: 9770sratio = 9770 / runtime

XSCC 1.1 @ OpenXiangShan KMHv3 RTL
15.74206.9s
LLVM 21.1.0 @ OpenXiangShan KMHv3 RTL
15.67207.9s
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
15.49210.3s
XSCC 1.1 @ OpenXiangShan KMHv3 RTL
15.31212.7s
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
12.79254.6s
GCC 12.1.0 @ OpenXiangShan KMHv3 RTL
12.24266.1s
LLVM 22.1.0 @ SiFive EIC7700X P550
7.31954.5s
LLVM 22.1.0 @ SpacemiT K3 X100
6.63614.4s
LLVM 22.1.0 @ Zhihe A210 C920
5.37956.9s
XSCC 1.1 @ RISC-V Board #6
5.27713s
XSCC 1.1 @ RISC-V Board #3
5.17945.2s

Recent Test Runs

10 latest runs

Show recent runs (10)

Date	Compiler	Platform	Mode	Input	Scores	Status	Report
06-27	XSCC 1.1	RISC-V Board #3 (2GHz, L1:64 KB I + 64 KB D, L2:1 MB I+D, L3:64 MB I+D, rv64gcv0p7)	speed	ref	int 10.24 · fp 10.46	Completed
06-26	XSCC 1.1	RISC-V Board #6 (2.6GHz, L1:64 KiB I + 64 KiB D, L2:2 MiB per 4-core cluster I+D, L3:64 MiB I+D, rv64gcv)	speed	ref	int 14.77 · fp 13.90	Completed
06-24	LLVM 22.1.0	SpacemiT K3 X100 (2.4GHz, L1:64 KiB I + 64 KiB D, L2:8 MB I+D shared L2 cache per 8-core cluster, rva23)	speed	ref	int 15.95 · fp 16.62	Completed
06-14	XSCC 1.1	OpenXiangShan KMHv3 RTL 3GHz	speed	ref	int 58.11 · fp 66.47	Completed
06-14	XSCC 1.1	OpenXiangShan KMHv3 RTL 3GHz	speed	ref	int 56.26 · fp 64.68	Completed
05-19	LLVM 22.1.0	SiFive EIC7700X P550 (1.4GHz, L1:32 KB I + 32 KB D, L2:256 KB I+D, L3:4 MB I+D, rv64gc)	speed	ref	int 11.57 · fp 10.76	Completed
05-15	LLVM 21.1.0	OpenXiangShan KMHv3 RTL 3GHz	speed	ref	int 49.41 · fp 59.59	Completed
05-04	LLVM 22.1.0	Zhihe A210 C920 (1.9GHz, L1:64k I + 64k D, L2:1 MB I+D, rv64gcv)	speed	ref	int 9.58 · fp 10.69	Completed
04-30	XSCC 1.1	OpenXiangShan KMHv3 RTL 3GHz	speed	ref	int 54.72 · fp 62.16	Completed
01-21	XSCC 1.1	OpenXiangShan KMHv3 RTL 3GHz	speed	ref	int 52.74 · fp 60.00	Completed