C28x with hard FP Timing Benchmarks

Target Platform: ti.platforms.tms320x28:TMS320F280049M

Tool Chain Version: 20.2.0

BIOS Version: bios_6_83_00_16_eng

XDCTools Version: xdctools_3_61_04_30_core_eng

Benchmark	Cycles
Interrupt Latency	241
Hwi_restore()	18
Hwi_disable()	15
Hwi dispatcher prolog	208
Hwi dispatcher epilog	165
Hwi dispatcher	373
Hardware Interrupt to Blocked Task	594
Hardware Interrupt to Software Interrupt	419
Swi_enable()	87
Swi_disable()	12
Post Software Interrupt Again	34
Post Software Interrupt without Context Switch	121
Post Software Interrupt with Context Switch	230
Create a New Task without Context Switch	3608
Set a Task Priority without a Context Switch	183
Task_yield()	236
Post Semaphore No Waiting Task	89
Post Semaphore No Task Switch	204
Post Semaphore with Task Switch	288
Pend on Semaphore No Context Switch	62
Pend on Semaphore with Task Switch	328
Clock_getTicks()	11
POSIX Create a New Task without Context Switch	6523
POSIX Set a Task Priority without a Context Switch	236
POSIX Post Semaphore No Waiting Task	100
POSIX Post Semaphore No Task Switch	213
POSIX Post Semaphore with Task Switch	300
POSIX Pend on Semaphore No Context Switch	73
POSIX Pend on Semaphore with Task Switch	338

Runtime performance was optimized by reducing CPU clock speed to eliminate flash wait states.

The C28x targets also supports zero latency interrupts. See ti.sysbios.family.c28.Hwi cdocs for details.

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