IAR Cortex-M4 Timing Benchmarks

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

Tool Chain Version: 8.20.2.58

BIOS Version: bios_6_75_00_12_eng_keystone3

XDCTools Version: xdctools_3_51_00_13_core_eng

Benchmark Cycles
Interrupt Latency 144
Hwi_restore() 14
Hwi_disable() 17
Hwi dispatcher prolog 121
Hwi dispatcher epilog 257
Hwi dispatcher 368
Hardware Interrupt to Blocked Task 591
Hardware Interrupt to Software Interrupt 397
Swi_enable() 78
Swi_disable() 18
Post Software Interrupt Again 26
Post Software Interrupt without Context Switch 105
Post Software Interrupt with Context Switch 209
Create a New Task without Context Switch 2658
Set a Task Priority without a Context Switch 195
Task_yield() 239
Post Semaphore No Waiting Task 84
Post Semaphore No Task Switch 206
Post Semaphore with Task Switch 277
Pend on Semaphore No Context Switch 78
Pend on Semaphore with Task Switch 315
Clock_getTicks() 14
POSIX Create a New Task without Context Switch 4728
POSIX Set a Task Priority without a Context Switch 247
POSIX Post Semaphore No Waiting Task 104
POSIX Post Semaphore No Task Switch 228
POSIX Post Semaphore with Task Switch 296
POSIX Pend on Semaphore No Context Switch 63
POSIX Pend on Semaphore with Task Switch 316

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.