IAR Cortex-M4 Timing Benchmarks

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

Tool Chain Version: 8.20.2.58

BIOS Version: bios_6_73_00_11_eng

XDCTools Version: xdctools_3_50_07_20_core

Benchmark Cycles
Interrupt Latency 148
Hwi_restore() 14
Hwi_disable() 16
Hwi dispatcher prolog 123
Hwi dispatcher epilog 255
Hwi dispatcher 368
Hardware Interrupt to Blocked Task 592
Hardware Interrupt to Software Interrupt 401
Swi_enable() 75
Swi_disable() 17
Post Software Interrupt Again 24
Post Software Interrupt without Context Switch 105
Post Software Interrupt with Context Switch 209
Create a New Task without Context Switch 2630
Set a Task Priority without a Context Switch 191
Task_yield() 238
Post Semaphore No Waiting Task 84
Post Semaphore No Task Switch 207
Post Semaphore with Task Switch 277
Pend on Semaphore No Context Switch 79
Pend on Semaphore with Task Switch 311
Clock_getTicks() 14
POSIX Create a New Task without Context Switch 4691
POSIX Set a Task Priority without a Context Switch 247
POSIX Post Semaphore No Waiting Task 105
POSIX Post Semaphore No Task Switch 230
POSIX Post Semaphore with Task Switch 296
POSIX Pend on Semaphore No Context Switch 61
POSIX Pend on Semaphore with Task Switch 314

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.