prog8/examples/cx16/diskspeed.p8
2024-11-01 03:39:52 +01:00

291 lines
9.8 KiB
Lua

%import math
%import diskio
%import floats
%zeropage basicsafe
%option no_sysinit
main {
const ubyte HIRAM_START_BANK = 4
uword large = memory("large", 20000, 256)
ubyte[256] buffer = 0 to 255
uword @zp buf_ptr
sub start() {
txt.print("\n\ndisk benchmark on drive 8.\n")
txt.print("with verification? y/n: ")
bool verify = cbm.CHRIN()=='y'
txt.print("\nfast serial mode r+w? y/n: ")
bool fastserial = cbm.CHRIN()=='y'
txt.nl()
if verify {
; fill the buffers with random data, and calculate the checksum
for cx16.r0 in 0 to 19999 {
large[cx16.r0] = math.rnd()
}
for cx16.r0L in 0 to 255 {
buffer[cx16.r0L] = math.rnd()
}
math.crc32(large, 20000)
uword crc32_l = cx16.r14
uword crc32_h = cx16.r15
}
if fastserial
void diskio.fastmode(3)
else
void diskio.fastmode(0)
test_save()
test_save_blocks()
test_load_hiram()
test_read_blocks()
test_vload()
txt.nl()
txt.print(diskio.status())
txt.print("\ndone.\n")
diskio.delete("benchmark0.dat")
diskio.delete("benchmark1.dat")
diskio.delete("benchmark2.dat")
diskio.delete("benchmark3.dat")
diskio.delete("benchmark4.dat")
diskio.delete("benchmark5.dat")
diskio.delete("benchmark6.dat")
diskio.delete("benchmark7.dat")
diskio.delete("benchmark8.dat")
diskio.delete("benchmark9.dat")
diskio.delete("benchmark256.dat")
diskio.delete("benchmark64.dat")
return
sub test_save() {
txt.print("\n\x12diskio.save()\x92 writing 10*20kb=200kb total")
cbm.SETTIM(0,0,0)
; save 10 times 20Kb to make it 200Kb total
void diskio.save("@:benchmark0.dat", large, 20000)
void diskio.save("@:benchmark1.dat", large, 20000)
void diskio.save("@:benchmark2.dat", large, 20000)
void diskio.save("@:benchmark3.dat", large, 20000)
void diskio.save("@:benchmark4.dat", large, 20000)
void diskio.save("@:benchmark5.dat", large, 20000)
void diskio.save("@:benchmark6.dat", large, 20000)
void diskio.save("@:benchmark7.dat", large, 20000)
void diskio.save("@:benchmark8.dat", large, 20000)
void diskio.save("@:benchmark9.dat", large, 20000)
print_speed(200000.0, cbm.RDTIM16())
if verify {
txt.print("\nverifying...\n")
verify_20k("benchmark0.dat", crc32_l, crc32_h)
verify_20k("benchmark1.dat", crc32_l, crc32_h)
verify_20k("benchmark2.dat", crc32_l, crc32_h)
verify_20k("benchmark3.dat", crc32_l, crc32_h)
verify_20k("benchmark4.dat", crc32_l, crc32_h)
verify_20k("benchmark5.dat", crc32_l, crc32_h)
verify_20k("benchmark6.dat", crc32_l, crc32_h)
verify_20k("benchmark7.dat", crc32_l, crc32_h)
verify_20k("benchmark8.dat", crc32_l, crc32_h)
verify_20k("benchmark9.dat", crc32_l, crc32_h)
}
}
sub test_save_blocks() {
txt.print("\n\x12diskio.f_write()\x92 writing 256kb in blocks of 256 bytes")
if diskio.f_open_w("@:benchmark256.dat") {
cbm.SETTIM(0,0,0)
repeat 256*1024/256 {
if not diskio.f_write(buffer, 256) {
io_error()
}
}
diskio.f_close_w()
print_speed(256*1024.0, cbm.RDTIM16())
} else sys.exit(1)
if verify {
txt.print("\ncalculating crc32 (takes a while)...")
math.crc32_start()
buf_ptr = &buffer
repeat 256*1024/256 {
for cx16.r9L in 0 to 255 {
math.crc32_update(buf_ptr[cx16.r9L])
}
}
math.crc32_end()
crc32_l = cx16.r14
crc32_h = cx16.r15
txt.nl()
}
}
sub test_load_hiram() {
txt.print("\n\x12diskio.load()\x92 reading 256kb into hiram")
cbm.SETTIM(0,0,0)
cx16.rambank(HIRAM_START_BANK)
uword result = diskio.load_raw("benchmark256.dat", $a000)
if result==0 {
io_error()
}
if result!=$a000 or cx16.getrambank()!=HIRAM_START_BANK+32 {
txt.nl()
txt.print("invalid read size!\n")
sys.exit(1)
}
print_speed(256*1024.0, cbm.RDTIM16())
cx16.rambank(HIRAM_START_BANK)
if verify {
txt.print("\ncalculating crc32 (takes a while)...")
math.crc32_start()
ubyte ram_bank
for ram_bank in HIRAM_START_BANK to HIRAM_START_BANK+32-1 {
cx16.rambank(ram_bank)
for buf_ptr in $a000 to $bfff {
math.crc32_update(@(buf_ptr))
}
}
math.crc32_end()
compare_crc32(cx16.r14, cx16.r15, crc32_l, crc32_h)
}
}
sub test_read_blocks() {
txt.print("\n\x12diskio.f_read()\x92 reading 256kb in blocks of 256")
if diskio.f_open("benchmark256.dat") {
cbm.SETTIM(0,0,0)
repeat 256*1024/256 {
if diskio.f_read(buffer, 256)==0 {
io_error()
}
}
diskio.f_close()
print_speed(256*1024.0, cbm.RDTIM16())
} else sys.exit(1)
if verify {
txt.print("\ncrc checking block reads...")
math.crc32_start()
if diskio.f_open("benchmark256.dat") {
repeat 256*1024/256 {
if diskio.f_read(buffer, 256)==0 {
io_error()
}
buf_ptr = &buffer
for cx16.r9L in 0 to 255 {
math.crc32_update(buf_ptr[cx16.r9L])
}
}
diskio.f_close()
} else sys.exit(1)
math.crc32_end()
compare_crc32(cx16.r14, cx16.r15, crc32_l, crc32_h)
}
}
sub test_vload() {
txt.print("\npreparing 64kb test file")
if diskio.f_open_w("@:benchmark64.dat") {
if not diskio.f_write(large, 20000)
or not diskio.f_write(large, 20000)
or not diskio.f_write(large, 20000)
or not diskio.f_write(large, 5536) {
io_error()
}
diskio.f_close_w()
}
if verify {
txt.print("\ncalculating crc32 (takes a while)...")
math.crc32_start()
repeat 3 {
for buf_ptr in large to large+20000-1 {
math.crc32_update(@(buf_ptr))
}
}
for buf_ptr in large to large+5536-1 {
math.crc32_update(@(buf_ptr))
}
math.crc32_end()
crc32_l = cx16.r14
crc32_h = cx16.r15
txt.nl()
}
txt.print("\n\x12diskio.vload()\x92 reading 512kb into vram (8*64kb)")
cbm.SETTIM(0,0,0)
repeat 8 {
if not diskio.vload_raw("benchmark64.dat", 0, $0000) {
io_error()
}
}
print_speed(512*1024.0, cbm.RDTIM16())
if verify {
math.crc32_start()
txt.print("\ncalculating crc32 (takes a while)...")
cx16.vaddr(0,0, 0, 1)
repeat 1024 {
repeat 64 {
math.crc32_update(cx16.VERA_DATA0)
}
}
math.crc32_end()
compare_crc32(cx16.r14, cx16.r15, crc32_l, crc32_h)
}
}
}
sub verify_20k(str filename, uword crc32_low, uword crc32_high) {
txt.print(filename)
txt.spc()
sys.memset(large, 20000, 0)
uword end = diskio.load(filename, large)
if end!=large+20000 {
txt.print("invalid read size!\n")
sys.exit(1)
}
math.crc32(large, 20000)
compare_crc32(cx16.r14, cx16.r15, crc32_low, crc32_high)
}
sub compare_crc32(uword low_check, uword high_check, uword crc32_low, uword crc32_high)
{
if low_check!=crc32_low or high_check!=crc32_high {
txt.nl()
txt.print_uwhex(cx16.r15, true)
txt.print_uwhex(cx16.r14, false)
txt.spc()
txt.print_uwhex(crc32_high, true)
txt.print_uwhex(crc32_low, false)
txt.spc()
txt.print("crc32")
txt.print(" mismatch!\n")
sys.exit(1)
}
txt.print("crc32")
txt.print(" ok\n")
}
sub print_speed(float total_size, uword jiffies) {
if jiffies==0 {
txt.print("\n 0 jiffies measured, speed is extremely high\n")
return
}
float speed = floats.floor(total_size / (jiffies as float / 60.0))
txt.nl()
txt.print_uw(jiffies)
txt.print(" jiffies = ")
floats.print(speed)
txt.print(" bytes/sec\n")
}
sub io_error() {
txt.print("\ni/o error! ")
txt.print(diskio.status())
sys.exit(1)
}
}