IAR Cortex-M4 Timing Benchmarks

Target Platform: ti.platforms.simplelink:CC3200:1

Tool Chain Version: 8.20.2.58

BIOS Version: bios_6_70_00_18_eng

XDCTools Version: xdctools_3_50_04_43_core

Benchmark Cycles
Interrupt Latency 145
Hwi_restore() 15
Hwi_disable() 17
Hwi dispatcher prolog 124
Hwi dispatcher epilog 254
Hwi dispatcher 367
Hardware Interrupt to Blocked Task 650
Hardware Interrupt to Software Interrupt 401
Swi_enable() 76
Swi_disable() 17
Post Software Interrupt Again 26
Post Software Interrupt without Context Switch 103
Post Software Interrupt with Context Switch 209
Create a New Task without Context Switch 2655
Set a Task Priority without a Context Switch 200
Task_yield() 265
Post Semaphore No Waiting Task 84
Post Semaphore No Task Switch 240
Post Semaphore with Task Switch 334
Pend on Semaphore No Context Switch 78
Pend on Semaphore with Task Switch 345
Clock_getTicks() 14
POSIX Create a New Task without Context Switch 4710
POSIX Set a Task Priority without a Context Switch 255
POSIX Post Semaphore No Waiting Task 104
POSIX Post Semaphore No Task Switch 261
POSIX Post Semaphore with Task Switch 352
POSIX Pend on Semaphore No Context Switch 62
POSIX Pend on Semaphore with Task Switch 346

The M4 target also supports zero latency interrupts. See ti.sysbios.family.arm.m3.Hwi CDOCs for details.

See the SYS/BIOS User’s Guide for more information regarding how interrupt latency is calculated.