GCC Cortex-A8 with hard FP Timing Benchmarks

Target Platform: ti.platforms.skAM3358

Tool Chain Version: 9.2.1

BIOS Version: bios_6_82_00_13_eng

XDCTools Version: xdctools_3_61_00_16_core

Benchmark	Cycles
Interrupt Latency	521
Hwi_restore()	33
Hwi_disable()	14
Hwi dispatcher prolog	543
Hwi dispatcher epilog	247
Hwi dispatcher	788
Hardware Interrupt to Blocked Task	1058
Hardware Interrupt to Software Interrupt	832
Swi_enable()	130
Swi_disable()	7
Post Software Interrupt Again	65
Post Software Interrupt without Context Switch	201
Post Software Interrupt with Context Switch	219
Create a New Task without Context Switch	2034
Set a Task Priority without a Context Switch	175
Task_yield()	336
Post Semaphore No Waiting Task	144
Post Semaphore No Task Switch	308
Post Semaphore with Task Switch	408
Pend on Semaphore No Context Switch	81
Pend on Semaphore with Task Switch	402
Clock_getTicks()	5
POSIX Create a New Task without Context Switch	3555
POSIX Set a Task Priority without a Context Switch	163
POSIX Post Semaphore No Waiting Task	151
POSIX Post Semaphore No Task Switch	321
POSIX Post Semaphore with Task Switch	448
POSIX Pend on Semaphore No Context Switch	98
POSIX Pend on Semaphore with Task Switch	432

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.