IAR Cortex-M4 Timing Benchmarks

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

Tool Chain Version: 8.32.2.178

BIOS Version: bios_6_76_01_11_eng_k3

XDCTools Version: xdctools_3_55_01_20_core_eng

Benchmark Cycles
Interrupt Latency 143
Hwi_restore() 14
Hwi_disable() 16
Hwi dispatcher prolog 118
Hwi dispatcher epilog 252
Hwi dispatcher 359
Hardware Interrupt to Blocked Task 584
Hardware Interrupt to Software Interrupt 398
Swi_enable() 79
Swi_disable() 19
Post Software Interrupt Again 24
Post Software Interrupt without Context Switch 106
Post Software Interrupt with Context Switch 210
Create a New Task without Context Switch 2670
Set a Task Priority without a Context Switch 190
Task_yield() 240
Post Semaphore No Waiting Task 82
Post Semaphore No Task Switch 207
Post Semaphore with Task Switch 281
Pend on Semaphore No Context Switch 78
Pend on Semaphore with Task Switch 314
Clock_getTicks() 15
POSIX Create a New Task without Context Switch 4758
POSIX Set a Task Priority without a Context Switch 250
POSIX Post Semaphore No Waiting Task 105
POSIX Post Semaphore No Task Switch 225
POSIX Post Semaphore with Task Switch 293
POSIX Pend on Semaphore No Context Switch 61
POSIX Pend on Semaphore with Task Switch 315

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.