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This commit is contained in:
Yutaka Sawada
2023-12-26 18:53:12 +09:00
committed by GitHub
parent 79d0b184b8
commit 1552fb8ec8
13 changed files with 920 additions and 430 deletions
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33
source/par2j/reedsolomon.c
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@@ -1,5 +1,5 @@
// reedsolomon.c
// Copyright : 2023-10-26 Yutaka Sawada
// Copyright : 2023-12-12 Yutaka Sawada
// License : GPL
#ifndef _UNICODE
@@ -27,6 +27,9 @@
#include "rs_decode.h"
#include "reedsolomon.h"
#ifdef TIMER
#include <time.h>
#endif
// GPU を使う最小データサイズ (MB 単位)
// GPU の起動には時間がかかるので、データが小さすぎると逆に遅くなる
@@ -739,7 +742,7 @@ int rs_encode(
int err = 0;
unsigned int len;
#ifdef TIMER
unsigned int time_total = GetTickCount();
clock_t time_total = clock();
#endif
if (galois_create_table()){
@@ -755,7 +758,7 @@ unsigned int time_total = GetTickCount();
// パリティ計算用の行列演算の準備をする
len = sizeof(unsigned short) * source_num;
if (OpenCL_method != 0)
len *= 2; // GPU の作業領域も確保しておく
len *= 3; // GPU の作業領域も確保しておく
constant = malloc(len);
if (constant == NULL){
printf("malloc, %d\n", len);
@@ -799,8 +802,8 @@ unsigned int time_total = GetTickCount();
err = encode_method2(file_path, header_buf, rcv_hFile, files, s_blk, p_blk, constant);
#ifdef TIMER
if (err != 1){
time_total = GetTickCount() - time_total;
printf("total %d.%03d sec\n", time_total / 1000, time_total % 1000);
time_total = clock() - time_total;
printf("total %.3f sec\n", (double)time_total / CLOCKS_PER_SEC);
}
#endif
@@ -830,7 +833,7 @@ int rs_encode_1pass(
int err = 0;
unsigned int len;
#ifdef TIMER
unsigned int time_total = GetTickCount();
clock_t time_total = clock();
#endif
if (galois_create_table()){
@@ -841,7 +844,7 @@ unsigned int time_total = GetTickCount();
// パリティ計算用の行列演算の準備をする
len = sizeof(unsigned short) * source_num;
if (OpenCL_method != 0)
len *= 2; // GPU の作業領域も確保しておく
len *= 3; // GPU の作業領域も確保しておく
constant = malloc(len);
if (constant == NULL){
printf("malloc, %d\n", len);
@@ -888,8 +891,8 @@ unsigned int time_total = GetTickCount();
if (err < 0){
printf("switching to 2-pass processing, %d\n", err);
} else if (err != 1){
time_total = GetTickCount() - time_total;
printf("total %d.%03d sec\n", time_total / 1000, time_total % 1000);
time_total = clock() - time_total;
printf("total %.3f sec\n", (double)time_total / CLOCKS_PER_SEC);
}
#endif
@@ -913,7 +916,7 @@ int rs_decode(
int err = 0, i, j, k;
unsigned int len;
#ifdef TIMER
unsigned int time_matrix = 0, time_total = GetTickCount();
clock_t time_matrix = 0, time_total = clock();
#endif
if (galois_create_table()){
@@ -948,7 +951,7 @@ unsigned int time_matrix = 0, time_total = GetTickCount();
id = mat + (block_lost * source_num);
#ifdef TIMER
time_matrix = GetTickCount();
time_matrix = clock();
#endif
// 復元用の行列を計算する
print_progress_text(0, "Computing matrix");
@@ -989,7 +992,7 @@ time_matrix = GetTickCount();
//for (i = 0; i < block_lost; i++)
// printf("id[%d] = %d\n", i, id[i]);
#ifdef TIMER
time_matrix = GetTickCount() - time_matrix;
time_matrix = clock() - time_matrix;
#endif
#ifdef TIMER
@@ -1032,9 +1035,9 @@ time_matrix = GetTickCount() - time_matrix;
err = decode_method2(file_path, block_lost, rcv_hFile, files, s_blk, p_blk, mat);
#ifdef TIMER
if (err != 1){
time_total = GetTickCount() - time_total;
printf("total %d.%03d sec\n", time_total / 1000, time_total % 1000);
printf("matrix %d.%03d sec\n", time_matrix / 1000, time_matrix % 1000);
time_total = clock() - time_total;
printf("total %.3f sec\n", (double)time_total / CLOCKS_PER_SEC);
printf("matrix %.3f sec\n", (double)time_matrix / CLOCKS_PER_SEC);
}
#endif