Industry-Standard Benchmarks for Embedded Systems
EEMBC, an industry alliance, develops benchmarks to help system designers select the optimal processors and understand the performance and energy characteristics of their systems. EEMBC has benchmark suites targeting cloud and big data, mobile devices (for phones and tablets), networking, ultra-low power microcontrollers, the Internet of Things (IoT), digital media, automotive, and other application areas. EEMBC also has benchmarks for general-purpose performance analysis including CoreMark, MultiBench (multicore), and FPMark (floating-point).
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ULPMark  Benchmark Scores

 Silicon Labs EFM32ZG222F32 
Hardware Environment 
Device VendorSilicon Labs
Device Name and RevisionEFM32ZG222F32
CoreCortex-M0+
Production silicon Yes
Processor DatasheetEFM32ZG222.pdf
Board VendorSilicon Labs
Board Name and RevisionZero Gecko Starter Kit (EFM32ZG-STK3200) w/ EFM32ZG222F32
External DC-DC (if used) 
External DC-DC datasheet (if used) 
Software Environment 
Compiler Name and VersionSilicon Labs Simplicity Studio v3
Compiler Flags-endian little --cpu_mode thumb -Ohs --no_size_constraints
ULPBench Profile and VersionCoreProfile V1.1.5
EnergyMonitor Software Version1.1.1
ULPBench Binary File 
Source Code Port Files 
Operating Conditions 
Ambient Temperature [C]22
System Supply Voltage [V]3
Supplemental Guide for Board Configuration & Rework 
Board Extended Documentation 
Profile Configuration Details 
Wakeup Timer ModuleRTC
Wakeup Timer Clock SourceExternal Crystal
Wakeup Timer Frequency [Hz]32768 Hz
Wakeup Timer Accuracy [ppm]TBD
Active Power Mode NameTBD
Active Mode Clock ConfigurationCPU: 14MHz, RTC: 32kHz
Active Mode Voltage IntegrityTBD
Inactive Power Mode NameTBD
Inactive Clock ConfigurationCPU: OFF, RTC: 32 kHz
Inactive Mode Voltage IntegrityTBD
Benchmark Scores
ULPMark-CP 115.10 

Uncertified Data & Result