Sanchayan Maity
2fcc51c2c1
While at it also add the libpthread static library amd m5op_x86 for matrix multiplication test code as well. Note that the splash2 benchmark code does not comply with gem5 coding guidelines. Academic guys never seem to follow 80 columns and no whitespace guideline :(.
225 lines
5.6 KiB
C
225 lines
5.6 KiB
C
/*************************************************************************/
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/* */
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/* Copyright (c) 1994 Stanford University */
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/* */
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/* All rights reserved. */
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/* */
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/* Permission is given to use, copy, and modify this software for any */
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/* non-commercial purpose as long as this copyright notice is not */
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/* removed. All other uses, including redistribution in whole or in */
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/* part, are forbidden without prior written permission. */
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/* */
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/* This software is provided with absolutely no warranty and no */
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/* support. */
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/* */
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/*************************************************************************/
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/********** storing/loading of large arrays to/from files **********/
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#include <fcntl.h>
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#include "incl.h"
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#define PMODE 0644 /* RW for owner, R for group, R for others */
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#define RWMODE 0 /* Read-only */
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EXTERN_ENV
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int Create_File(char filename[])
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{
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int fd;
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if ((fd = creat(filename,PMODE)) == -1) {
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Error(" Can't create %s\n",filename);
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}
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return(fd);
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}
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int Open_File(char filename[])
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{
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int fd;
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if ((fd = open(filename,RWMODE)) == -1) {
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Error(" Can't open %s\n",filename);
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}
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return(fd);
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}
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void Write_Bytes(int fd, unsigned char array[], long length)
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{
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long n_written;
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long more_written;
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n_written = write(fd,array,MIN(length,32766));
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if (n_written != -1) {
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while (n_written < length) {
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more_written = write(fd,&array[n_written],
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MIN(length-n_written,32766));
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if (more_written == -1) break;
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n_written += more_written;
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}
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}
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if (n_written != length) {
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Close_File(fd);
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Error(" Write failed on file %d\n",fd);
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}
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}
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void Write_Shorts(int fd, unsigned char array[], long length)
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{
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long n_written;
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long more_written;
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#ifdef FLIP
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for (i=0; i<length; i+=2) {
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byte = array[i];
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array[i] = array[i+1];
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array[i+1] = byte;
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}
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#endif
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n_written = write(fd,array,MIN(length,32766));
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if (n_written != -1) {
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while (n_written < length) {
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more_written = write(fd,&array[n_written],
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MIN(length-n_written,32766));
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if (more_written == -1) break;
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n_written += more_written;
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}
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}
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if (n_written != length) {
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Close_File(fd);
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Error(" Write failed on file %d\n",fd);
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}
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#ifdef FLIP
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for (i=0; i<length; i+=2) {
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byte = array[i];
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array[i] = array[i+1];
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array[i+1] = byte;
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}
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#endif
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}
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void Write_Longs(int fd, unsigned char array[], long length)
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{
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long n_written;
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long more_written;
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#ifdef FLIP
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for (i=0; i<length; i+=4) {
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byte = array[i];
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array[i] = array[i+3];
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array[i+3] = byte;
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byte = array[i+1];
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array[i+1] = array[i+2];
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array[i+2] = byte;
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}
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#endif
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n_written = write(fd,array,MIN(length,32766));
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if (n_written != -1) {
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while (n_written < length) {
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more_written = write(fd,&array[n_written],
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MIN(length-n_written,32766));
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if (more_written == -1) break;
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n_written += more_written;
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}
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}
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if (n_written != length) {
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Close_File(fd);
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Error(" Write failed on file %d\n",fd);
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}
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#ifdef FLIP
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for (i=0; i<length; i+=4) {
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byte = array[i];
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array[i] = array[i+3];
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array[i+3] = byte;
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byte = array[i+1];
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array[i+1] = array[i+2];
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array[i+2] = byte;
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}
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#endif
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}
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void Read_Bytes(int fd, unsigned char array[], long length)
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{
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long n_read;
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long more_read;
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n_read = read(fd,array,MIN(length,32766));
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if (n_read != -1 && n_read != 0) {
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while (n_read < length) {
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more_read = read(fd,&array[n_read],
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MIN(length-n_read,32766));
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if (more_read == -1 || more_read == 0) break;
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n_read += more_read;
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}
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}
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if (n_read != length) {
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Close_File(fd);
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Error(" Read failed on file %d\n",fd);
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}
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}
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void Read_Shorts(int fd, unsigned char array[], long length)
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{
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long n_read;
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long more_read;
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n_read = read(fd,array,MIN(length,32766));
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if (n_read != -1 && n_read != 0) {
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while (n_read < length) {
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more_read = read(fd,&array[n_read],
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MIN(length-n_read,32766));
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if (more_read == -1 || more_read == 0) break;
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n_read += more_read;
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}
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}
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if (n_read != length) {
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Close_File(fd);
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Error(" Read failed on file %d\n",fd);
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}
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#ifdef FLIP
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for (i=0; i<length; i+=2) {
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byte = array[i];
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array[i] = array[i+1];
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array[i+1] = byte;
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}
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#endif
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}
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void Read_Longs(int fd, unsigned char array[], long length)
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{
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long n_read;
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long more_read;
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n_read = read(fd,array,MIN(length,32766));
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if (n_read != -1 && n_read != 0) {
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while (n_read < length) {
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more_read = read(fd,&array[n_read],
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MIN(length-n_read,32766));
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if (more_read == -1 || more_read == 0) break;
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n_read += more_read;
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}
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}
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if (n_read != length) {
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Close_File(fd);
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Error(" Read failed on file %d\n",fd);
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}
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#ifdef FLIP
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for (i=0; i<length; i+=4) {
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byte = array[i];
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array[i] = array[i+3];
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array[i+3] = byte;
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byte = array[i+1];
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array[i+1] = array[i+2];
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array[i+2] = byte;
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}
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#endif
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}
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void Close_File(int fd)
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{
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if (close(fd) == -1) {
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Error(" Can't close file %d\n",fd);
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}
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}
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