GCC Cortex-A8 with hard FP Timing Benchmarks

Target Platform: ti.platforms.evmTI814X

Tool Chain Version: 7.2.1

BIOS Version: bios_6_76_00_06_eng_k3

XDCTools Version: xdctools_3_55_00_08_core_eng

Benchmark	Cycles
Interrupt Latency	476
Hwi_restore()	33
Hwi_disable()	14
Hwi dispatcher prolog	545
Hwi dispatcher epilog	247
Hwi dispatcher	788
Hardware Interrupt to Blocked Task	1070
Hardware Interrupt to Software Interrupt	836
Swi_enable()	128
Swi_disable()	8
Post Software Interrupt Again	65
Post Software Interrupt without Context Switch	167
Post Software Interrupt with Context Switch	220
Create a New Task without Context Switch	2763
Set a Task Priority without a Context Switch	174
Task_yield()	347
Post Semaphore No Waiting Task	182
Post Semaphore No Task Switch	301
Post Semaphore with Task Switch	391
Pend on Semaphore No Context Switch	80
Pend on Semaphore with Task Switch	384
Clock_getTicks()	4
POSIX Create a New Task without Context Switch	4832
POSIX Set a Task Priority without a Context Switch	163
POSIX Post Semaphore No Waiting Task	150
POSIX Post Semaphore No Task Switch	312
POSIX Post Semaphore with Task Switch	408
POSIX Pend on Semaphore No Context Switch	95
POSIX Pend on Semaphore with Task Switch	391

The benchmark application was built using BIOS.LibType_Custom with the following compiler options:

“-mcpu=cortex-a8 -mfpu=neon -mfloat-abi=hard -mabi=aapcs -O3 -Wunused -Wunknown-pragmas -ffunction-sections -fdata-sections -g -Dti_sysbios_Build_useHwiMacros -Dfar= -D__DYNAMIC_REENT__”.

Timings were obtained with the cache enabled.

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