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Michael Giacomelli 73b1afabd3 plugins: test_cyc, a per-instruction cycle benchmark 
A test plugin that measures what ARM instructions cost on the running
device. Each row times sixteen copies of one instruction in a loop and
subtracts the empty loop, giving cycles per instruction. Where plugins
get IRAM, each row is run with code and data in each combination of
IRAM and DRAM.

It covers ALU, shifts, branches, the load and store forms (including
halfword and register-offset loads), load-use, and the multiplier at
narrow and full-width operands. ARMv5 adds the DSP multiplies, clz,
qadd, ldrd/strd and pld; ARMv6 adds the top-word and dual 16-bit
multiplies, umaal, ssat, rev, the extends, pkhbt, the SIMD adds and
multiply result latency. Cache misses are priced by a pointer chase
and by sequential streams over working sets either side of the cache.

Timing uses the SoC's microsecond counter on PP502x, PP5002, S5L870x,
S5L8720, TCC7801 and i.MX233, and the tick elsewhere. Results go to
the screen and to /test_cyc.txt.

Built only with test plugins enabled, on native ARM targets that run
ARM code (not Cortex-M).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Change-Id: I4a41f6daaa27fb817f411de89901a117c5c70f4d
2026-10-08 09:08:38 -04:00
..
bitmaps plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
chessbox 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
clock Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
doom Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
fft plugins/fft: do not starve other threads 2026-08-05 16:18:03 -04:00
fractals 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
frotz chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
goban 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
h264_player hw_h264: remove redundant ifdef guards 2026-09-23 16:22:18 +01:00
imageviewer jpeg: decode 16-bit quantization tables (SOF1) 2026-10-06 00:44:06 -04:00
lib Fix build errors in 3a57f2f721 2026-09-17 21:42:16 +01:00
lua misc: forums.rockbox.org -> www.rockbox.org/forums 2026-09-27 10:46:01 -04:00
lua_scripts filebrowse.lua add sort by type, add .bmp, .mod to known filetypes 2026-08-07 09:05:59 -04:00
midi 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
mikmod Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
mpegplayer Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
pacbox pacbox: Add missing function annotation to arm asm functions 2026-09-19 21:23:48 -04:00
pdbox Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
picross chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pictureflow Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
puzzles chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
reversi 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
rockboy Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
sdl 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
searchengine chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
shortcuts chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
sudoku plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
tagcache Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
text_viewer Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
xrick chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
xworld chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
zxbox 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
2048.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
alarmclock.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
amaze.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
announce_status.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
battery_bench.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
bench_mem_jpeg.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
bench_scaler.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
blackjack.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
boomshine.lua chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
bounce.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
brickmania.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
bubbles.c plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
BUILD_OVERLAY
calculator.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
calendar.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
CATEGORIES plugins: test_cyc, a per-instruction cycle benchmark 2026-10-08 09:08:38 -04:00
chessbox.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
chessclock.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
chip8.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
chopper.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
clix.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
codebuster.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
countdown_timer.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
credits.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
credits.pl chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
crypt_firmware.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
cube.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
cue_playlist.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
dart_scorer.c dart_scorer: scale better on smaller devices 2026-05-06 13:20:48 -04:00
db_folder_select.c plugins: db_folder_select, disktidy, main_menu_config: Fix selection dialog with Show Icons set to No 2025-04-10 12:30:29 +03:00
demystify.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
dice.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
dict.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
disktidy.c disktidy: fix blank "Last Run" screen in some themes 2026-09-05 19:31:28 -04:00
disktidy.config disktidy: Add '__MACOSX' directories to the list 2026-04-01 10:32:40 -04:00
duke3d.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
elfdep.pl
file_picker.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
fire.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
fireworks.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
flipit.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
goban.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
greyscale.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
helloworld.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
helloworld.lua chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
invadrox.c plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
iriver_flash.c firmware: move iriver flash helper functions into target tree 2026-09-23 13:44:45 -04:00
iriverify.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
jackpot.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
jewels.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
keybox.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
keyremap.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
lamp.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
lastfm_scrobbler.c lastfm_scrobbler: don't include rbversion.h 2026-09-03 16:49:08 +01:00
lastfm_scrobbler_viewer.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
logo.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
lrcplayer.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
main_menu_config.c Use user preferred touchscreen mode in 'Main Menu Config' plugin instead of defaulting to 'button' mode. 2026-01-03 20:25:13 -05:00
matrix.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
maze.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
mazezam.c plugins & debug menu: apply consistent titles 2025-12-23 10:25:05 -05:00
md5sum.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
metronome.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
minesweeper.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
mosaique.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
mp3_encoder.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
multiboot_select.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
open_plugins.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
oscilloscope.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
otp.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pegbox.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
periodic_table.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
picross.lua Allow first level folders in plugin menu 2024-05-05 14:01:43 -04:00
pictureflow.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pitch_detector.c Fix build errors in 3a57f2f721 2026-09-17 21:42:16 +01:00
pitch_screen.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pixel-painter.lua misc: forums.rockbox.org -> www.rockbox.org/forums 2026-09-27 10:46:01 -04:00
plasma.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
playing_time.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
plugin.lds ovl_offset: use elf symbols instead of refmap 2026-05-27 17:55:33 -04:00
plugin_crt0.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
plugins.make chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pong.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
properties.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
quake.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
random_folder_advance_config.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rb_info.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
remote_control.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
resistor.c plugins & debug menu: apply consistent titles 2025-12-23 10:25:05 -05:00
robotfindskitten.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rockblox.c plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
rockblox1d.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rockbox-fonts.config FS#9059: Add WenQangYi Unibt font (William Poetra Yoga Hadisoeseno) 2024-10-27 22:04:54 -04:00
rockboy.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rocklife.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rockpaint.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
search.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
settings_dumper.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
shopper.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
sliding_puzzle.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
snake.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
snake2.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
snake2.levels
snow.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
sokoban.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
sokoban.levels
solitaire.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
sort.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
SOURCES plugins: test_cyc, a per-instruction cycle benchmark 2026-10-08 09:08:38 -04:00
SOURCES.app_build ap80max: New hosted port 2026-08-13 17:55:06 -07:00
spacerocks.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
speedread.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
star.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
starfield.c plugins: starfield: enable USB audio 2025-12-15 07:48:45 -05:00
stats.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
stopwatch.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
stopwatch.lua chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
SUBDIRS ipod6g: add hardware H.264 video playback 2026-09-13 08:07:59 -04:00
SUBDIRS.app_build ap80max: New hosted port 2026-08-13 17:55:06 -07:00
superdom.c plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
test_boost.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_codec.c test_codec: set the DSP's output samplerate 2026-10-06 22:25:09 -04:00
test_core_jpeg.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_cyc.c plugins: test_cyc, a per-instruction cycle benchmark 2026-10-08 09:08:38 -04:00
test_disk.c test_disk: scroll the log when the screen is full 2026-10-07 22:58:44 -04:00
test_fps.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_gfx.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_grey.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_greylib_bitmap_scale.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_kbd.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_mem.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_mem_jpeg.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
test_resize.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_sampr.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_scanrate.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_touchscreen.c ap80max: New hosted port 2026-08-13 17:55:06 -07:00
test_usb.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_viewports.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
test_viewports.lua chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
text_editor.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
theme_remove.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
vbrfix.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
view_text.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
viewers.config ipod6g: add hardware H.264 video playback 2026-09-13 08:07:59 -04:00
vu_meter.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
wav2wv.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wavview.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
windows_lnk.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wolf3d.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wormlet.c plugins: 400x240 landscape screens 2026-10-02 10:30:58 +02:00
xobox.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
zxbox.c