IAR Cortex-M4 with hard FP Timing Benchmarks

Target Platform: ti.platforms.tiva:TM4C123GH6PM: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 141
Hwi_restore() 7
Hwi_disable() 9
Hwi dispatcher prolog 119
Hwi dispatcher epilog 222
Hwi dispatcher 331
Hardware Interrupt to Blocked Task 516
Hardware Interrupt to Software Interrupt 334
Swi_enable() 58
Swi_disable() 11
Post Software Interrupt Again 20
Post Software Interrupt without Context Switch 81
Post Software Interrupt with Context Switch 165
Create a New Task without Context Switch 2034
Set a Task Priority without a Context Switch 148
Task_yield() 219
Post Semaphore No Waiting Task 66
Post Semaphore No Task Switch 161
Post Semaphore with Task Switch 251
Pend on Semaphore No Context Switch 58
Pend on Semaphore with Task Switch 276
Clock_getTicks() 9
POSIX Create a New Task without Context Switch 3550
POSIX Set a Task Priority without a Context Switch 189
POSIX Post Semaphore No Waiting Task 79
POSIX Post Semaphore No Task Switch 173
POSIX Post Semaphore with Task Switch 258
POSIX Pend on Semaphore No Context Switch 47
POSIX Pend on Semaphore with Task Switch 279

The M4F 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.