Benchmarks 2024 02 20 TFLM LLVM

Setup

Simulator

• Spike (riscv-isa-sim ) (ISS, CPI=1)

Toolchains

• LLVM/Clang:
  • TODO: Version
  • Linker: lld (TODO)
  • RISC-V GCC for Headers, libc,...

Models

• MLPerfTiny Benchmark

• TODO: others!

Package Versions

• MLonMCU : main

• TFLM : main

• Spike : 0bc176b3fca43560b9e8586cdbc41cfde073e17a

• Spike PK : 7e9b671c0415dfd7b562ac934feb9380075d4aa2

Miscellaneous

• Used -Os flag for compilation.
• Benchmarks generated using MLonMCU deployment tool with minimal efforts.
• Memory metrics are reported in Bytes

Results (Framework: tflm, Backend: tflmi, Toolchain: llvm)

Audio Wake Words (aww)

Cycles (Speedup)	Total ROM (rel.)	Total RAM (rel.)	VLEN	Kernels	Mode	Arch	Auto-Vectorization
43849979 ( 0.4x )	146710 ( 0.864 )	36124 ( 1.0 )	0	TFLM	Reference	RV32GC	-
34194781 ( 0.5x )	152484 ( 0.898 )	36132 ( 1.0 )	128	TFLM	Reference	RV32GCV	Loop+SLP
31057605 ( 0.5x )	152484 ( 0.898 )	36132 ( 1.0 )	1024	TFLM	Reference	RV32GCV	Loop+SLP
15553915 ( Base )	169764 ( Base )	36124 ( Base )	0	muRISCV-NN	Scalar	RV32GC	-
6139962 ( 2.5x )	181040 ( 1.066 )	36132 ( 1.0 )	128	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
4316923 ( 3.6x )	181040 ( 1.066 )	36132 ( 1.0 )	1024	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
6655337 ( 2.3x )	169342 ( 0.998 )	36124 ( 1.0 )	128	muRISCV-NN	Vector	RV32GCV	-
2529245 ( 6.1x )	169342 ( 0.998 )	36124 ( 1.0 )	1024	muRISCV-NN	Vector	RV32GCV	-

Image Classification (resnet)

Cycles (Speedup)	Total ROM (rel.)	Total RAM (rel.)	VLEN	Kernels	Mode	Arch	Auto-Vectorization
134756807 ( 0.4x )	188332 ( 0.925 )	68892 ( 1.0 )	0	TFLM	Reference	RV32GC	-
58895120 ( 1.0x )	194258 ( 0.954 )	68900 ( 1.0 )	128	TFLM	Reference	RV32GCV	Loop+SLP
46357756 ( 1.3x )	194258 ( 0.954 )	68900 ( 1.0 )	1024	TFLM	Reference	RV32GCV	Loop+SLP
58389211 ( Base )	203590 ( Base )	68888 ( Base )	0	muRISCV-NN	Scalar	RV32GC	-
28236740 ( 2.1x )	215314 ( 1.058 )	68896 ( 1.0 )	128	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
13686219 ( 4.3x )	215314 ( 1.058 )	68896 ( 1.0 )	1024	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
27961963 ( 2.1x )	203862 ( 1.001 )	68888 ( 1.0 )	128	muRISCV-NN	Vector	RV32GCV	-
8020141 ( 7.3x )	203862 ( 1.001 )	68888 ( 1.0 )	1024	muRISCV-NN	Vector	RV32GCV	-

Anomaly Detection (toycar)

Cycles (Speedup)	Total ROM (rel.)	Total RAM (rel.)	VLEN	Kernels	Mode	Arch	Auto-Vectorization
3052975 ( 0.6x )	342160 ( 0.987 )	19376 ( 1.0 )	0	TFLM	Reference	RV32GC	-
895486 ( 2.1x )	343940 ( 0.992 )	19376 ( 1.0 )	128	TFLM	Reference	RV32GCV	Loop+SLP
492510 ( 3.7x )	343940 ( 0.992 )	19376 ( 1.0 )	1024	TFLM	Reference	RV32GCV	Loop+SLP
1846118 ( Base )	346748 ( Base )	19376 ( Base )	0	muRISCV-NN	Scalar	RV32GC	-
620218 ( 3.0x )	350296 ( 1.01 )	19376 ( 1.0 )	128	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
387846 ( 4.8x )	350296 ( 1.01 )	19376 ( 1.0 )	1024	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
591777 ( 3.1x )	346756 ( 1.0 )	19376 ( 1.0 )	128	muRISCV-NN	Vector	RV32GCV	-
418329 ( 4.4x )	346756 ( 1.0 )	19376 ( 1.0 )	1024	muRISCV-NN	Vector	RV32GCV	-

Visual Wake Words (vww)

Cycles (Speedup)	Total ROM (rel.)	Total RAM (rel.)	VLEN	Kernels	Mode	Arch	Auto-Vectorization
114164825 ( 0.4x )	420470 ( 0.948 )	134452 ( 1.0 )	0	TFLM	Reference	RV32GC	-
72029724 ( 0.6x )	426196 ( 0.961 )	134460 ( 1.0 )	128	TFLM	Reference	RV32GCV	Loop+SLP
63384332 ( 0.7x )	426196 ( 0.961 )	134460 ( 1.0 )	1024	TFLM	Reference	RV32GCV	Loop+SLP
46648207 ( Base )	443524 ( Base )	134452 ( Base )	0	muRISCV-NN	Scalar	RV32GC	-
19561414 ( 2.4x )	454736 ( 1.025 )	134460 ( 1.0 )	128	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
14765683 ( 3.2x )	454736 ( 1.025 )	134460 ( 1.0 )	1024	muRISCV-NN	Scalar	RV32GCV	Loop+SLP
21023473 ( 2.2x )	443094 ( 0.999 )	134452 ( 1.0 )	128	muRISCV-NN	Vector	RV32GCV	-
10336293 ( 4.5x )	443094 ( 0.999 )	134452 ( 1.0 )	1024	muRISCV-NN	Vector	RV32GCV	-

Original data

Click here to download the raw files for this benchmark.