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/*
* Mr. 4th Dimention - Allen Webster
* Four Tech
*
* public domain -- no warranty is offered or implied; use this code at your own risk
*
* 06.11.2015
*
* Buffer experiment testing layer
*
*/
// TOP
#include "4coder_external_name.h"
#include "shared_test_config.cpp"
#ifdef fast_test
#define debug_4tech(x)
#define assert_4tech(x)
#endif
#define hard_assert_4tech(x) assert(x)
#include "4coder_shared.cpp"
#include "4coder_golden_array.cpp"
#include "4coder_gap_buffer.cpp"
#include "4coder_multi_gap_buffer.cpp"
#include "4coder_rope_buffer.cpp"
#define Buffer_Type Buffer
#include "4coder_buffer_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Gap_Buffer
#include "4coder_buffer_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Multi_Gap_Buffer
#include "4coder_buffer_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Rope_Buffer
#include "4coder_buffer_abstract.cpp"
#undef Buffer_Type
#include "shared_test_utils.cpp"
int int_into_str(char *out, int *rem, unsigned int x){
char *start = out;
int size = *rem;
int result;
char t;
if (x == 0 && size > 1){
*out = '0';
++out;
--size;
}
else{
for (;x > 0 && size > 1;--size, ++out){
*out = (x%10 + '0');
x /= 10;
}
}
*rem = size;
*out = 0;
result = (int)(out - start);
--out;
for (; start < out; ++start, --out){
t = *out;
*out = *start;
*start = t;
}
return(result);
}
int uscore_into_str(char *out, int *rem){
int result;
result = 0;
if (*rem > 1){
--*rem;
*out++ = '_';
*out = 0;
result = 1;
}
return(result);
}
#if defined(_WIN32)
#include <Windows.h>
typedef unsigned long long time_int;
unsigned long long win32_counts_per_second_4tech;
int time_init(unsigned long long *resolution){
int result;
LARGE_INTEGER time;
result = 0;
if (QueryPerformanceFrequency(&time)){
win32_counts_per_second_4tech = (unsigned long long)(time.QuadPart);
result = 1;
*resolution = win32_counts_per_second_4tech;
}
return(result);
}
time_int get_time(){
LARGE_INTEGER time;
time_int result;
result = 0;
if (QueryPerformanceCounter(&time)){
result = (time_int)(time.QuadPart);
result = result * 1000000 / win32_counts_per_second_4tech;
}
return(result);
}
void time_into_str(char *out, int max){
SYSTEMTIME systime;
int pos;
GetSystemTime(&systime);
pos = uscore_into_str(out, &max);
pos += int_into_str(out + pos, &max, systime.wYear);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wMonth);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wDay);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wHour);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wMinute);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wSecond);
pos += uscore_into_str(out + pos, &max);
pos += int_into_str(out + pos, &max, systime.wMilliseconds);
}
#elif defined(__linux__)
#include <time.h>
typedef unsigned long long time_int;
int time_init(unsigned long long *resolution){
int result;
struct timespec res;
result = 0;
if (!clock_getres(CLOCK_MONOTONIC, &res)){
result = 1;
if (res.tv_sec > 0 || res.tv_nsec == 0) *resolution = 0;
else *resolution = (unsigned long long)(1000000/res.tv_nsec);
}
return(result);
}
time_int get_time(){
time_int result;
struct timespec time;
result = 0;
if (!clock_gettime(CLOCK_MONOTONIC, &time)){
result = (time.tv_sec * 1000000) + (time.tv_nsec / 1000);
}
return(result);
}
#else
#error Timer not supported on this platform
#endif
#define STB_TRUETYPE_IMPLEMENTATION
#include "stb_truetype.h"
float* get_font_data(const char *font_file, float *font_height){
float *data = 0;
stbtt_bakedchar *baked;
File_Data file = get_file(font_file);
if (!file.data) exit(1);
if (file.data){
int size = sizeof(*baked)*256;
baked = (stbtt_bakedchar*)malloc(size);
memset_4tech(baked, 0, sizeof(*baked)*256);
stbtt_fontinfo font;
if (stbtt_InitFont(&font, (unsigned char*)file.data, 0)){
float scale;
int a,d,g;
scale = stbtt_ScaleForPixelHeight(&font, 17.f);
stbtt_GetFontVMetrics(&font, &a, &d, &g);
*font_height = scale*(a - d + g);
int w, h;
w = 10*256;
h = 25;
unsigned char *pixels = (unsigned char*)malloc(w * h);
stbtt_BakeFontBitmap((unsigned char*)file.data, 0, 17.f, pixels, w, h, 0, 128, baked);
free(pixels);
free_file(file);
data = (float*)malloc(sizeof(float)*256);
memset_4tech(data, 0, sizeof(float)*256);
stbtt_bakedchar *baked_ptr = baked;
for (int i = 0; i < 128; ++i, ++baked_ptr){
data[i] = baked_ptr->xadvance;
}
}
free(baked);
}
else{
printf("error: cannot continue without font\n");
}
return data;
}
void setup(){
unsigned long long resolution;
if (!time_init(&resolution)){
printf("error: could not initialize timer");
exit(1);
}
if (resolution < 1000000)
printf("warning: timer is not actually at high enough resolution for good measurements!\n");
}
typedef struct Time_Record{
time_int buffer;
time_int gap_buffer;
time_int multi_gap_buffer;
time_int rope_buffer;
} Time_Record;
typedef struct Record_Statistics{
Time_Record max, min;
Time_Record expected;
int count;
} Record_Statistics;
typedef struct Log_Section{
int *counter;
} Log_Section;
typedef struct Stats_Log{
char *out;
int size, max;
Log_Section *sections;
int sec_top, sec_max;
unsigned int error;
} Stats_Log;
#define log_er_buffer_overflow 0x1
#define log_er_stack_overflow 0x2
#define log_er_stack_underflow 0x4
#define log_er_time_too_large 0x8
#define logid_begin_section 0
#define logid_data_item 1
#if fast_test
#define use_stats_log 1
#else
#define use_stats_log 0
#endif
void log_write_int(Stats_Log *log, int x){
#if use_stats_log
if (log->error == 0){
if (log->size+4 <= log->max){
*(int*)(log->out + log->size) = x;
log->size += 4;
}
else{
log->error |= log_er_buffer_overflow;
}
}
#endif
}
void log_write_time(Stats_Log *log, time_int x){
#if use_stats_log
if (log->error == 0){
if (x < 0x7FFFFFFF){
if (log->size+4 <= log->max){
*(int*)(log->out + log->size) = (int)x;
log->size += 4;
}
else{
log->error |= log_er_buffer_overflow;
}
}
else{
log->error |= log_er_time_too_large;
}
}
#endif
}
void log_write_str(Stats_Log *log, char *str, int len){
#if use_stats_log
int up = (len + 3) & ~3;
if (log->error == 0){
if (log->size+4+up <= log->max){
*(int*)(log->out + log->size) = up;
memcpy_4tech(log->out + log->size + 4, str, len);
log->size += 4+up;
}
else{
log->error |= log_er_buffer_overflow;
}
}
#endif
}
void log_begin_section(Stats_Log *log, char *name, int name_len){
#if use_stats_log
Log_Section *section;
if (log->error == 0){
if (log->sec_top < log->sec_max){
if (log->sec_top > 0){
section = log->sections + log->sec_top - 1;
++section->counter;
}
section = log->sections + (log->sec_top++);
log_write_int(log, logid_begin_section);
log_write_str(log, name, name_len);
section->counter = (int*)(log->out + log->size);
log_write_int(log, 0);
}
else{
log->error |= log_er_stack_overflow;
}
}
#endif
}
void log_end_section(Stats_Log *log){
#if use_stats_log
if (log->error == 0){
if (log->sec_top > 0){
--log->sec_top;
}
else{
log->error |= log_er_stack_underflow;
}
}
#endif
}
void log_data_item(Stats_Log *log, char *name, int name_len, time_int t){
#if use_stats_log
Log_Section *section;
if (log->error == 0){
if (log->sec_top > 0){
section = log->sections + log->sec_top - 1;
++section->counter;
}
log_write_int(log, logid_data_item);
log_write_str(log, name, name_len);
log_write_time(log, t);
}
#endif
}
void log_finish(Stats_Log *log){
#if use_stats_log
assert_4tech(sizeof(external_name) < 512);
if (log->error == 0){
char fname[1024];
memcpy_4tech(fname, "out/", 4);
memcpy_4tech(fname + 4, external_name, sizeof(external_name)-1);
time_into_str(fname + 4 + sizeof(external_name) - 1, 1023 - sizeof(external_name) + 1);
File_Data log_file;
log_file.data = log->out;
log_file.size = log->size;
save_file(fname, log_file);
}
else{
printf("\n");
if (log->error & log_er_buffer_overflow)
printf("log error: buffer overflow\n");
if (log->error & log_er_stack_overflow)
printf("log error: stack overflow\n");
if (log->error & log_er_stack_underflow)
printf("log error: stack underflow\n");
printf("there were log error so the log was not saved\n\n");
}
#endif
}
#define litstr(s) (char*)(s), (sizeof(s)-1)
void log_time_record(Stats_Log *log, char *name, int name_len, Time_Record record){
log_begin_section(log, name, name_len);
log_data_item(log, litstr("golden-array"), record.buffer);
log_data_item(log, litstr("gap-buffer"), record.gap_buffer);
log_data_item(log, litstr("multi-gap-buffer"), record.multi_gap_buffer);
log_data_item(log, litstr("rope"), record.rope_buffer);
log_end_section(log);
}
Time_Record
operator+(const Time_Record &a, const Time_Record &b){
Time_Record r;
r.buffer = a.buffer + b.buffer;
r.gap_buffer = a.gap_buffer + b.gap_buffer;
r.multi_gap_buffer = a.multi_gap_buffer + b.multi_gap_buffer;
r.rope_buffer = a.rope_buffer + b.rope_buffer;
return r;
}
Time_Record&
operator/=(Time_Record &r, int x){
r.buffer /= x;
r.gap_buffer /= x;
r.multi_gap_buffer /= x;
r.rope_buffer /= x;
return(r);
}
#define minify(a,b) if ((a)>(b)) (a) = (b)
#define maxify(a,b) if ((a)<(b)) (a) = (b)
void get_record_statistics(Record_Statistics *stats_out, Time_Record *records, int count){
Record_Statistics stats;
stats.max = records[0];
stats.min = records[0];
stats.expected = records[0];
stats.count = count;
Time_Record *record = records + 1;
for (int i = 1; i < count; ++i, ++record){
stats.expected = stats.expected + *record;
minify(stats.min.buffer, record->buffer);
minify(stats.min.gap_buffer, record->gap_buffer);
minify(stats.min.multi_gap_buffer, record->multi_gap_buffer);
minify(stats.min.rope_buffer, record->rope_buffer);
maxify(stats.max.buffer, record->buffer);
maxify(stats.max.gap_buffer, record->gap_buffer);
maxify(stats.max.multi_gap_buffer, record->multi_gap_buffer);
maxify(stats.max.rope_buffer, record->rope_buffer);
}
stats.expected /= count;
*stats_out = stats;
}
int test_is_silenced;
void silence_test(){
test_is_silenced = 1;
}
void print_record(Time_Record record){
printf("%-16s - %25lluus\n%-16s - %25lluus\n%-16s - %25lluus\n%-16s - %25lluus\n",
"Golden Array", record.buffer,
"Gap Buffer", record.gap_buffer,
"Multi-Gap Buffer", record.multi_gap_buffer,
"Rope", record.rope_buffer);
}
void print_statistics(Time_Record *records, int count, Record_Statistics *stats_out){
Record_Statistics stats;
get_record_statistics(&stats, records, count);
if (!test_is_silenced){
printf("samples: %d\n", count);
printf("---averages---\n");
print_record(stats.expected);
printf("---max---\n");
print_record(stats.max);
printf("---min---\n");
print_record(stats.min);
}
if (stats_out) *stats_out = stats;
}
typedef struct Buffer_Set{
Buffer buffer;
Gap_Buffer gap_buffer;
Multi_Gap_Buffer multi_gap_buffer;
Rope_Buffer rope_buffer;
} Buffer_Set;
#define Buffer_Type Buffer
#include "4coder_test_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Gap_Buffer
#include "4coder_test_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Multi_Gap_Buffer
#include "4coder_test_abstract.cpp"
#undef Buffer_Type
#define Buffer_Type Rope_Buffer
#include "4coder_test_abstract.cpp"
#undef Buffer_Type
void log_sample_set(Stats_Log *log, char *name, int name_len, Record_Statistics *stats,
Time_Record *samples, int sample_count){
log_begin_section(log, name, name_len);
log_data_item(log, litstr("sample-count"), sample_count);
log_time_record(log, litstr("max"), stats->max);
log_time_record(log, litstr("min"), stats->min);
log_time_record(log, litstr("average"), stats->expected);
for (int i = 0; i < sample_count; ++i){
log_time_record(log, litstr("item"), samples[i]);
}
log_end_section(log);
}
typedef struct Sample_Machine{
time_int tstart, tend;
Time_Record *samples;
int count;
} Sample_Machine;
Sample_Machine begin_machine(int count, void **data, int *max){
Sample_Machine result;
result.count = count;
result.samples = (Time_Record*)*data;
*data = result.samples + count;
assert_4tech(count*sizeof(*result.samples) < *max);
*max -= count*sizeof(*result.samples);
return(result);
}
void end_machine(Sample_Machine *machine, Record_Statistics *stats_out, char *func_name){
if (!test_is_silenced) printf("%s\n", func_name);
print_statistics(machine->samples, machine->count, stats_out);
if (!test_is_silenced) printf("\n");
test_is_silenced = 0;
}
void start(Sample_Machine *machine){
machine->tstart = get_time();
}
time_int stop(Sample_Machine *machine){
machine->tend = get_time();
return machine->tend - machine->tstart;
}
void initialization_test(Stats_Log *log, Buffer_Set *set, File_Data file, int test_repitions,
void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
for (int i = 0; i < test_repitions; ++i){
start(&machine);
init_buffer(&set->buffer, file, scratch, scratch_size);
machine.samples[i].buffer = stop(&machine);
start(&machine);
init_buffer(&set->gap_buffer, file, scratch, scratch_size);
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
init_buffer(&set->multi_gap_buffer, file, scratch, scratch_size);
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
init_buffer(&set->rope_buffer, file, scratch, scratch_size);
machine.samples[i].rope_buffer = stop(&machine);
if (i+1 != test_repitions){
free(set->buffer.data);
free(set->gap_buffer.data);
for (int j = 0; j < set->multi_gap_buffer.chunk_alloced; ++j){
free(set->multi_gap_buffer.gaps[j].data);
}
free(set->multi_gap_buffer.gaps);
free(set->rope_buffer.data);
free(set->rope_buffer.nodes);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("initialization"), stats_out, machine.samples, machine.count);
}
void measure_starts_widths_test(Stats_Log *log, Buffer_Set *set, int test_repitions, void *scratch,
int scratch_size, Record_Statistics *stats_out, float *font_widths){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
for (int i = 0; i < test_repitions; ++i){
start(&machine);
measure_starts_widths(&set->buffer, font_widths);
machine.samples[i].buffer = stop(&machine);
start(&machine);
measure_starts_widths(&set->gap_buffer, font_widths);
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
measure_starts_widths(&set->multi_gap_buffer, font_widths);
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
measure_starts_widths(&set->rope_buffer, font_widths);
machine.samples[i].rope_buffer = stop(&machine);
if (i+1 != test_repitions){
free(set->buffer.line_starts);
free(set->gap_buffer.line_starts);
free(set->multi_gap_buffer.line_starts);
free(set->rope_buffer.line_starts);
free(set->buffer.line_widths);
free(set->gap_buffer.line_widths);
free(set->multi_gap_buffer.line_widths);
free(set->rope_buffer.line_widths);
set->buffer.line_max = 0;
set->buffer.line_starts = 0;
set->buffer.widths_max = 0;
set->buffer.line_widths = 0;
set->gap_buffer.line_max = 0;
set->gap_buffer.line_starts = 0;
set->gap_buffer.widths_max = 0;
set->gap_buffer.line_widths = 0;
set->multi_gap_buffer.line_max = 0;
set->multi_gap_buffer.line_starts = 0;
set->multi_gap_buffer.widths_max = 0;
set->multi_gap_buffer.line_widths = 0;
set->rope_buffer.line_max = 0;
set->rope_buffer.line_starts = 0;
set->rope_buffer.widths_max = 0;
set->rope_buffer.line_widths = 0;
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("measure-starts-widths"), stats_out, machine.samples, machine.count);
}
int page_compare(void *page_1_, void *page_2_, int page_size){
char *page_1 = (char*)page_1_;
char *page_2 = (char*)page_2_;
int result = 1;
for (int i = 0; i < page_size; ++i){
hard_assert_4tech(page_1[i] == page_2[i]);
}
return result;
}
float* measure_wraps_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, void *scratch,
int scratch_size, Record_Statistics *stats_out, float font_height, float max_width){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
float *wrap_ys, *wrap_ys2;
wrap_ys = (float*)malloc(sizeof(float)*buffers->buffer.line_count);
wrap_ys2 = (float*)malloc(sizeof(float)*buffers->buffer.line_count);
for (int i = 0; i < test_repitions; ++i){
start(&machine);
buffer_measure_wrap_y(&buffers->buffer, wrap_ys, font_height, max_width);
machine.samples[i].buffer = stop(&machine);
start(&machine);
buffer_measure_wrap_y(&buffers->gap_buffer, wrap_ys2, font_height, max_width);
machine.samples[i].gap_buffer = stop(&machine);
if (i == 0)
page_compare((char*)wrap_ys, (char*)wrap_ys2, sizeof(float)*buffers->buffer.line_count);
start(&machine);
buffer_measure_wrap_y(&buffers->multi_gap_buffer, wrap_ys2, font_height, max_width);
machine.samples[i].multi_gap_buffer = stop(&machine);
if (i == 0)
page_compare((char*)wrap_ys, (char*)wrap_ys2, sizeof(float)*buffers->buffer.line_count);
start(&machine);
buffer_measure_wrap_y(&buffers->rope_buffer, wrap_ys2, font_height, max_width);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0)
page_compare((char*)wrap_ys, (char*)wrap_ys2, sizeof(float)*buffers->buffer.line_count);
}
free(wrap_ys2);
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("measure-wrap-ys"), stats_out, machine.samples, machine.count);
return wrap_ys;
}
int cursor_eq(Full_Cursor c1, Full_Cursor c2){
int result = 0;
if (c1.pos == c2.pos && c1.line == c2.line && c1.character == c2.character &&
c1.wrapped_x == c2.wrapped_x && c1.wrapped_y == c2.wrapped_y &&
c1.unwrapped_x == c2.unwrapped_x && c1.unwrapped_y == c2.unwrapped_y){
result = 1;
}
return(result);
}
void full_cursor_test(Stats_Log *log, Buffer_Set *buffers, int pos,
float *wrap_ys, float *advance_data, float font_height, float max_width,
int test_repitions, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
Full_Cursor cursor, cursor2;
for (int i = 0; i < test_repitions; ++i){
start(&machine);
cursor = buffer_cursor_from_pos(&buffers->buffer, pos, wrap_ys, max_width, font_height, advance_data);
machine.samples[i].buffer = stop(&machine);
start(&machine);
cursor2 = buffer_cursor_from_pos(&buffers->gap_buffer, pos, wrap_ys, max_width, font_height, advance_data);
machine.samples[i].gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_pos(&buffers->multi_gap_buffer, pos, wrap_ys, max_width, font_height, advance_data);
machine.samples[i].multi_gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_pos(&buffers->rope_buffer, pos, wrap_ys, max_width, font_height, advance_data);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("full-cursor-seek"), stats_out, machine.samples, machine.count);
}
void full_cursor_line_test(Stats_Log *log, Buffer_Set *buffers, int line, int character,
float *wrap_ys, float *advance_data, float font_height, float max_width,
int test_repitions, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
Full_Cursor cursor, cursor2;
for (int i = 0; i < test_repitions; ++i){
start(&machine);
cursor = buffer_cursor_from_line_character(&buffers->buffer, line, character,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].buffer = stop(&machine);
start(&machine);
cursor2 = buffer_cursor_from_line_character(&buffers->gap_buffer, line, character,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_line_character(&buffers->multi_gap_buffer, line, character,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].multi_gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_line_character(&buffers->rope_buffer, line, character,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("full-cursor-seek"), stats_out, machine.samples, machine.count);
}
void full_cursor_xy_test(Stats_Log *log, Buffer_Set *buffers, float x, float y, int round_down,
float *wrap_ys, float *advance_data, float font_height, float max_width,
int test_repitions, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
Full_Cursor cursor, cursor2;
for (int i = 0; i < test_repitions; ++i){
start(&machine);
cursor = buffer_cursor_from_unwrapped_xy(&buffers->buffer, x, y, round_down,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].buffer = stop(&machine);
start(&machine);
cursor2 = buffer_cursor_from_unwrapped_xy(&buffers->gap_buffer, x, y, round_down,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_unwrapped_xy(&buffers->multi_gap_buffer, x, y, round_down,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].multi_gap_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
start(&machine);
cursor2 = buffer_cursor_from_unwrapped_xy(&buffers->rope_buffer, x, y, round_down,
wrap_ys, max_width, font_height, advance_data);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0) assert_4tech(cursor_eq(cursor, cursor2));
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("full-cursor-seek"), stats_out, machine.samples, machine.count);
}
void word_seek_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions,
int incremental_position, char *word, int len,
void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
assert_4tech(scratch_size >= len);
int pos, pos2, old_pos;
old_pos = 0;
for (int i = 0; i < machine.count; ++i){
start(&machine);
pos = buffer_find_string(&buffers->buffer, old_pos, word, len, (char*)scratch);
machine.samples[i].buffer = stop(&machine);
start(&machine);
pos2 = buffer_find_string(&buffers->gap_buffer, old_pos, word, len, (char*)scratch);
machine.samples[i].gap_buffer = stop(&machine);
assert_4tech(pos2 == pos);
start(&machine);
pos2 = buffer_find_string(&buffers->multi_gap_buffer, old_pos, word, len, (char*)scratch);
machine.samples[i].multi_gap_buffer = stop(&machine);
assert_4tech(pos2 == pos);
start(&machine);
pos2 = buffer_find_string(&buffers->rope_buffer, old_pos, word, len, (char*)scratch);
machine.samples[i].rope_buffer = stop(&machine);
assert_4tech(pos2 == pos);
if (incremental_position) old_pos = pos;
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("word-seek"), stats_out, machine.samples, machine.count);
}
void stream_check_test(Buffer_Set *buffers, void *scratch, int scratch_size){
int i, page_size, size;
size = buffer_size(&buffers->buffer);
{
int size2;
size2 = buffer_size(&buffers->gap_buffer);
hard_assert_4tech(size == size2);
size2 = buffer_size(&buffers->multi_gap_buffer);
hard_assert_4tech(size == size2);
size2 = buffer_size(&buffers->rope_buffer);
hard_assert_4tech(size == size2);
}
page_size = 1 << 10;
char *page_1 = (char*)scratch;
char *page_2 = page_1 + page_size;
scratch_size -= page_size*2;
hard_assert_4tech(scratch_size > 0);
for (i = 0; i < size; i += page_size){
int end = i + page_size;
if (end > size) end = size;
buffer_stringify(&buffers->buffer, i, end, page_1);
buffer_stringify(&buffers->gap_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
buffer_stringify(&buffers->multi_gap_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
buffer_stringify(&buffers->rope_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
}
for (i = size-1; i > 0; i -= page_size){
int end = i - page_size;
if (end < 0) end = 0;
buffer_backify(&buffers->buffer, i, end, page_1);
buffer_backify(&buffers->gap_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
buffer_backify(&buffers->multi_gap_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
buffer_backify(&buffers->rope_buffer, i, end, page_2);
page_compare(page_1, page_2, page_size);
}
}
void insert_bottom_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
int edit_count, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
char word[] = "stuff";
int word_len = sizeof(word) - 1;
int i, j;
for (i = 0; i < test_repitions; ++i){
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_bottom(&buffers->buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_bottom(&buffers->gap_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_bottom(&buffers->multi_gap_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_bottom(&buffers->rope_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("insert-bottom"), stats_out, machine.samples, machine.count);
}
void insert_top_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
int edit_count, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
char word[] = "stuff";
int word_len = sizeof(word) - 1;
int i, j;
for (i = 0; i < test_repitions; ++i){
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_top(&buffers->buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_top(&buffers->gap_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_top(&buffers->multi_gap_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
insert_top(&buffers->rope_buffer, word, word_len,
advance_data, scratch, scratch_size);
}
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("insert-top"), stats_out, machine.samples, machine.count);
}
void delete_bottom_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
int edit_count, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
int len = 5;
int i, j;
for (i = 0; i < test_repitions; ++i){
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_bottom(&buffers->buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_bottom(&buffers->gap_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_bottom(&buffers->multi_gap_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_bottom(&buffers->rope_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("delete-bottom"), stats_out, machine.samples, machine.count);
}
void delete_top_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
int edit_count, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
int len = 5;
int i, j;
for (i = 0; i < test_repitions; ++i){
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_top(&buffers->buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_top(&buffers->gap_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_top(&buffers->multi_gap_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
for (j = 0; j < edit_count; ++j){
delete_top(&buffers->rope_buffer, len,
advance_data, scratch, scratch_size);
}
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("delete-top"), stats_out, machine.samples, machine.count);
}
void natural_edits_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
Replay *replay, void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
printf("edit count: %d\n", replay->replay.count);
log_data_item(log, litstr("edit-count"), replay->replay.count);
int i, j;
for (i = 0; i < test_repitions; ++i){
j = i*buffer_size(&buffers->buffer) / (1+test_repitions);
start(&machine);
natural_edits(&buffers->buffer, advance_data, replay, j, scratch, scratch_size);
machine.samples[i].buffer = stop(&machine);
start(&machine);
natural_edits(&buffers->gap_buffer, advance_data, replay, j, scratch, scratch_size);
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
natural_edits(&buffers->multi_gap_buffer, advance_data, replay, j, scratch, scratch_size);
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
natural_edits(&buffers->rope_buffer, advance_data, replay, j, scratch, scratch_size);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("natural-edits"), stats_out, machine.samples, machine.count);
}
void batch_edit_test(Stats_Log *log, Buffer_Set *buffers, int test_repitions, float *advance_data,
Buffer_Edit *batch, char *str_base, int batch_size,
void *scratch, int scratch_size, Record_Statistics *stats_out){
Sample_Machine machine;
machine = begin_machine(test_repitions, &scratch, &scratch_size);
printf("batch size: %d\n", replay->replay.count);
log_data_item(log, litstr("batch-size"), replay->replay.count);
int i;
for (i = 0; i < test_repitions; ++i){
start(&machine);
batch_edit(&buffers->buffer, advance_data, batch, str_base, batch_size, scratch, scratch_size);
machine.samples[i].buffer = stop(&machine);
start(&machine);
batch_edit(&buffers->gap_buffer, advance_data, batch, str_base, batch_size, scratch, scratch_size);
machine.samples[i].gap_buffer = stop(&machine);
start(&machine);
batch_edit(&buffers->multi_gap_buffer, advance_data, batch, str_base, batch_size, scratch, scratch_size);
machine.samples[i].multi_gap_buffer = stop(&machine);
start(&machine);
batch_edit(&buffers->rope_buffer, advance_data, batch, str_base, batch_size, scratch, scratch_size);
machine.samples[i].rope_buffer = stop(&machine);
if (i == 0){
stream_check_test(buffers, scratch, scratch_size);
}
}
end_machine(&machine, stats_out, __FUNCTION__);
log_sample_set(log, litstr("batch-edit"), stats_out, machine.samples, machine.count);
}
void measure_check_test(Buffer_Set *buffers){
int count;
count = buffers->buffer.line_count;
assert_4tech(count == buffers->buffer.widths_count);
assert_4tech(count == buffers->gap_buffer.line_count);
assert_4tech(count == buffers->multi_gap_buffer.line_count);
assert_4tech(count == buffers->rope_buffer.line_count);
assert_4tech(count == buffers->gap_buffer.widths_count);
assert_4tech(count == buffers->multi_gap_buffer.widths_count);
assert_4tech(count == buffers->rope_buffer.widths_count);
page_compare(buffers->buffer.line_starts, buffers->gap_buffer.line_starts, sizeof(int)*count);
page_compare(buffers->buffer.line_starts, buffers->multi_gap_buffer.line_starts, sizeof(int)*count);
page_compare(buffers->buffer.line_starts, buffers->rope_buffer.line_starts, sizeof(int)*count);
page_compare(buffers->buffer.line_widths, buffers->gap_buffer.line_widths, sizeof(float)*count);
page_compare(buffers->buffer.line_widths, buffers->multi_gap_buffer.line_widths, sizeof(float)*count);
page_compare(buffers->buffer.line_widths, buffers->rope_buffer.line_widths, sizeof(float)*count);
}
#define reps 50
int main(int argc, char **argv){
Buffer_Set buffers;
File_Data file;
float *widths_data;
float *wrap_ys;
float font_height;
float max_width;
void *scratch;
int scratch_size;
Stats_Log log;
int do_replay = 0;
char *replay_filename = 0;
if (argc < 2){
printf("usage: buffer_test <filename> <message> [-h <.hst file>]\n");
exit(1);
}
setup();
for (int i = 3; i < argc; ++i){
if (do_replay){
replay_filename = argv[i];
do_replay = 0;
}
if (strcmp(argv[i], "-h") == 0){
if (replay_filename != 0){
printf("found -h twice, ignoring duplicates\n");
}
else{
do_replay = 1;
}
}
}
do_replay = (replay_filename != 0);
memzero_4tech(buffers);
log.max = 1 << 20;
log.size = 0;
log.out = (char*)malloc(log.max);
log.sec_max = 32;
log.sec_top = 0;
log.sections = (Log_Section*)malloc(sizeof(Log_Section)*log.sec_max);
log.error = 0;
scratch_size = 1 << 20;
scratch = malloc(scratch_size);
file = get_file(argv[1]);
if (!file.data) exit(1);
widths_data = get_font_data("LiberationSans-Regular.ttf", &font_height);
max_width = 500.f;
log_begin_section(&log, litstr("which-test"));
{
log_write_str(&log, argv[1], (int)strlen(argv[1]));
log_write_int(&log, file.size);
log_write_str(&log, argv[2], (int)strlen(argv[2]));
}
log_end_section(&log);
log_begin_section(&log, litstr("file-open"));
{
Record_Statistics init_rec, starts_widths_rec, wraps_rec;
initialization_test(&log, &buffers, file, reps, scratch, scratch_size, &init_rec);
stream_check_test(&buffers, scratch, scratch_size);
measure_starts_widths_test(&log, &buffers, reps, scratch, scratch_size,
&starts_widths_rec, widths_data);
measure_check_test(&buffers);
wrap_ys = measure_wraps_test(&log, &buffers, reps, scratch, scratch_size,
&wraps_rec, font_height, max_width);
Time_Record expected_file_open;
expected_file_open = init_rec.expected + starts_widths_rec.expected + wraps_rec.expected;
printf("average file open:\n");
print_record(expected_file_open);
printf("\n");
log_time_record(&log, litstr("average"), expected_file_open);
}
log_end_section(&log);
log_begin_section(&log, litstr("cursor-seek"));
{
Record_Statistics full_cursor;
Time_Record full_cursor_average;
log_begin_section(&log, litstr("to-pos"));
{
memzero_4tech(full_cursor_average);
for (int i = 0; i < 5; ++i){
silence_test();
int pos = (file.size*i) / 5;
full_cursor_test(&log, &buffers, pos,
wrap_ys, widths_data, font_height, max_width,
5, scratch, scratch_size, &full_cursor);
full_cursor_average = full_cursor_average + full_cursor.expected;
}
full_cursor_average /= 5;
printf("average cursor from position:\n");
print_record(full_cursor_average);
printf("\n");
log_time_record(&log, litstr("average"), full_cursor_average);
}
log_end_section(&log);
log_begin_section(&log, litstr("to-line-character"));
{
memzero_4tech(full_cursor_average);
for (int i = 0; i < 5; ++i){
silence_test();
int line = (buffers.buffer.line_count*i) / 5;
full_cursor_line_test(&log, &buffers, line, 20,
wrap_ys, widths_data, font_height, max_width,
5, scratch, scratch_size, &full_cursor);
full_cursor_average = full_cursor_average + full_cursor.expected;
}
full_cursor_average /= 5;
printf("average cursor from line & character:\n");
print_record(full_cursor_average);
printf("\n");
log_time_record(&log, litstr("average"), full_cursor_average);
}
log_end_section(&log);
log_begin_section(&log, litstr("to-unwrapped-x-y"));
{
memzero_4tech(full_cursor_average);
for (int i = 0; i < 5; ++i){
silence_test();
float y = font_height * (buffers.buffer.line_count*i) / 4.f;
full_cursor_xy_test(&log, &buffers, y, 37.f, 0,
wrap_ys, widths_data, font_height, max_width,
5, scratch, scratch_size, &full_cursor);
full_cursor_average = full_cursor_average + full_cursor.expected;
}
full_cursor_average /= 5;
printf("average cursor from line & character:\n");
print_record(full_cursor_average);
printf("\n");
log_time_record(&log, litstr("average"), full_cursor_average);
}
log_end_section(&log);
}
log_end_section(&log);
log_begin_section(&log, litstr("word-seek"));
{
Record_Statistics word_seek;
{
char word[] = "not-going-to-find-this";
int word_len = sizeof(word) - 1;
word_seek_test(&log, &buffers, reps, 0, word, word_len, scratch, scratch_size, &word_seek);
}
{
char word[] = "return";
int word_len = sizeof(word) - 1;
word_seek_test(&log, &buffers, reps, 1, word, word_len, scratch, scratch_size, &word_seek);
printf("average normal word seek:\n");
print_record(word_seek.expected);
printf("\n");
}
}
log_end_section(&log);
log_begin_section(&log, litstr("one-hundred-single-edits"));
{
Record_Statistics edits;
insert_bottom_test(&log, &buffers, reps, widths_data, 100, scratch, scratch_size, &edits);
insert_top_test(&log, &buffers, reps, widths_data, 100, scratch, scratch_size, &edits);
delete_bottom_test(&log, &buffers, reps, widths_data, 100, scratch, scratch_size, &edits);
delete_top_test(&log, &buffers, reps, widths_data, 100, scratch, scratch_size, &edits);
}
log_end_section(&log);
File_Data replay_file = {};
Replay replay;
if (do_replay){
replay_file = get_file(replay_filename);
prepare_replay(replay_file, &replay);
}
if (replay_file.data){
log_begin_section(&log, litstr("natural-edits"));
{
Record_Statistics edits;
natural_edits_test(&log, &buffers, reps, widths_data, &replay,
scratch, scratch_size, &edits);
}
log_end_section(&log);
}
else{
printf("skipped natural-edits test\n\n");
}
log_begin_section(&log, litstr("batch-edit"));
{
Buffer_Edit *batch;
char *str_base;
int batch_size, str_size;
batch_size = 1000;
str_size = 10000;
batch = (Buffer_Edit*)malloc(sizeof(Buffer_Edit)*batch_size);
str_base = (char*)malloc(str_size);
int character_stride;
character_stride = buffer_size(&buffers.buffer);
if (character_stride < batch_size * 10){
batch_size = character_stride / 10;
character_stride = 10;
}
else{
character_stride = (character_stride / batch_size);
}
int p, curs;
curs = 0;
p = 0;
for (int i = 0; i < batch_size; ++i){
Buffer_Edit edit;
edit.start = p;
edit.end = p+8;
p += character_stride;
edit.str_start = curs;
if (i & 1){
edit.len = 9;
memcpy_4tech(str_base + curs, "123456789", 9);
curs += 9;
}
else{
edit.len = 7;
memcpy_4tech(str_base + curs, "abcdefg", 7);
curs += 7;
}
batch[i] = edit;
}
Record_Statistics batch_stats;
batch_edit_test(&log, &buffers, reps, widths_data, batch, str_base, batch_size,
scratch, scratch_size, &batch_stats);
}
log_end_section(&log);
log_finish(&log);
return(0);
}
// BOTTOM