gcc -DATHLON -Wall -O2 -ffast-math -march=i686 -fomit-frame-pointer -fno-exceptions memxferjj.cc -o  memxferjj
for m in $(seq 0 12); do    nice -n -20 ./memxferjj -s 32M 20 $m ; done

model name      : AMD Athlon(tm) processor
stepping        : 4
cpu MHz         : 1333.386


SDRAM 133/CL2

avg:   33554432  [ 0]"memcpy"                    239.713 MB/s
avg:   33554432  [ 1]"char *"                    176.069 MB/s
avg:   33554432  [ 2]"short *"                   214.254 MB/s
avg:   33554432  [ 3]"int *"                     239.610 MB/s
avg:   33554432  [ 4]"long *"                    239.835 MB/s
avg:   33554432  [ 5]"long * (4x unrolled)"      239.666 MB/s
avg:   33554432  [ 6]"int64 *"                   254.864 MB/s
avg:   33554432  [ 7]"double *"                  334.384 MB/s
avg:   33554432  [ 8]"double * (4x unrolled)"    362.776 MB/s
avg:   33554432  [ 9]"streaming K7"              974.647 MB/s
avg:   33554432  [10]"streaming K7 prefetch"     984.555 MB/s
avg:   33554432  [11]"streaming K7 clear"        985.756 MB/s
avg:   33554432  [12]"long * clear"              388.676 MB/s


DDRAM 133/CL2.5

avg:   33554432  [ 0]"memcpy"                    394.326 MB/s
avg:   33554432  [ 1]"char *"                    196.880 MB/s
avg:   33554432  [ 2]"short *"                   231.656 MB/s
avg:   33554432  [ 3]"int *"                     396.811 MB/s
avg:   33554432  [ 4]"long *"                    383.451 MB/s
avg:   33554432  [ 5]"long * (4x unrolled)"      387.403 MB/s
avg:   33554432  [ 6]"int64 *"                   397.224 MB/s
avg:   33554432  [ 7]"double *"                  492.482 MB/s
avg:   33554432  [ 8]"double * (4x unrolled)"    493.086 MB/s
avg:   33554432  [ 9]"streaming K7"             1197.376 MB/s
avg:   33554432  [10]"streaming K7 prefetch"    1311.854 MB/s
avg:   33554432  [11]"streaming K7 clear"       1720.754 MB/s
avg:   33554432  [12]"long * clear"              443.767 MB/s


DDRAM 133/CL2

avg:   33554432  [ 0]"memcpy"                    390.321 MB/s
avg:   33554432  [ 1]"char *"                    202.961 MB/s
avg:   33554432  [ 2]"short *"                   237.776 MB/s
avg:   33554432  [ 3]"int *"                     415.335 MB/s
avg:   33554432  [ 4]"long *"                    395.199 MB/s
avg:   33554432  [ 5]"long * (4x unrolled)"      376.493 MB/s
avg:   33554432  [ 6]"int64 *"                   401.166 MB/s
avg:   33554432  [ 7]"double *"                  493.614 MB/s
avg:   33554432  [ 8]"double * (4x unrolled)"    495.363 MB/s
avg:   33554432  [ 9]"streaming K7"             1196.949 MB/s
avg:   33554432  [10]"streaming K7 prefetch"    1310.222 MB/s
avg:   33554432  [11]"streaming K7 clear"       1728.562 MB/s
avg:   33554432  [12]"long * clear"              443.443 MB/s


model name      : AMD Athlon(tm) XP 1800+
Mem:  512MB (DDR AFAIK)
for m in $(seq 0 12); do \
$  nice -n -20 ./memxferjj -s 32M 20 $m ; done
avg:   33554432  [ 0]"memcpy"                    419.101 MB/s
avg:   33554432  [ 1]"char *"                    294.010 MB/s
avg:   33554432  [ 2]"short *"                   344.678 MB/s
avg:   33554432  [ 3]"int *"                     403.678 MB/s
avg:   33554432  [ 4]"long *"                    407.297 MB/s
avg:   33554432  [ 5]"long * (4x unrolled)"      422.731 MB/s
avg:   33554432  [ 6]"int64 *"                   437.196 MB/s
avg:   33554432  [ 7]"double *"                  441.144 MB/s
avg:   33554432  [ 8]"double * (4x unrolled)"    430.482 MB/s
avg:   33554432  [ 9]"streaming K7"             1431.437 MB/s
avg:   33554432  [10]"streaming K7 prefetch"    1628.706 MB/s
avg:   33554432  [11]"streaming K7 clear"       1974.852 MB/s
avg:   33554432  [12]"long * clear"              559.082 MB/s