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mirror of https://github.com/golang/go synced 2024-11-25 02:57:57 -07:00

k-nucleotide

R=rsc
DELTA=367  (366 added, 0 deleted, 1 changed)
OCL=32832
CL=32836
This commit is contained in:
Rob Pike 2009-08-06 13:00:26 -07:00
parent 5876cb0e63
commit ae3939cb78
5 changed files with 424 additions and 1 deletions

228
test/bench/k-nucleotide.c Normal file
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@ -0,0 +1,228 @@
/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of "The Computer Language Benchmarks Game" nor the
name of "The Computer Language Shootout Benchmarks" nor the names of
its contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <glib.h>
typedef struct stat_s stat_t;
struct stat_s
{
const gchar *key;
long stat;
};
#define MAX_ELM (8192 / sizeof (stat_t))
static int
generate_frequencies (int fl, char *buffer, long buflen,
GHashTable *ht, GTrashStack **ts, GPtrArray *roots, GStringChunk *sc)
{
gchar *key;
long i;
if (fl > buflen) return 0;
if (fl == 0) return 0;
for (i = 0; i < buflen - fl + 1; ++i)
{
char nulled;
stat_t *stat;
nulled = buffer[i + fl];
buffer[i + fl] = '\0';
key = g_string_chunk_insert_const(sc, buffer + i);
stat = g_hash_table_lookup(ht, key);
if (!stat)
{
stat = g_trash_stack_pop(ts);
if (!stat)
{
int j;
stat = malloc(sizeof (stat_t) * MAX_ELM);
g_ptr_array_add(roots, stat);
for (j = 1; j < MAX_ELM; ++j)
g_trash_stack_push(ts, stat + j);
}
stat->stat = 1;
stat->key = key;
g_hash_table_insert(ht, key, stat);
}
else
stat->stat++;
buffer[i + fl] = nulled;
}
return buflen - fl + 1;
}
static int
cmp_func(gconstpointer a, gconstpointer b)
{
const stat_t *left = a;
const stat_t *right = b;
return right->stat - left->stat;
}
static void
sorted_list(gpointer key, gpointer value, gpointer user_data)
{
stat_t *data = value;
GList **lst = user_data;
*lst = g_list_insert_sorted(*lst, data, cmp_func);
}
static void
display_stat(gpointer data, gpointer user_data)
{
long *total = user_data;
stat_t *st = data;
printf("%s %.3f\n", st->key, 100 * (float) st->stat / *total);
}
void
write_frequencies (int fl, char *buffer, long buflen, GTrashStack **ts, GPtrArray *roots)
{
GStringChunk *sc;
GHashTable *ht;
GList *lst;
long total;
ht = g_hash_table_new_full(g_str_hash, g_str_equal, NULL /* free key */, NULL /* free value */);
sc = g_string_chunk_new(buflen);
lst = NULL;
total = generate_frequencies (fl, buffer, buflen, ht, ts, roots, sc);
if (!total) goto on_error;
g_hash_table_foreach(ht, sorted_list, &lst);
g_list_foreach(lst, display_stat, &total);
g_list_free(lst);
on_error:
g_hash_table_destroy(ht);
g_string_chunk_free(sc);
}
void
write_count (char *searchFor, char *buffer, long buflen, GTrashStack **ts, GPtrArray *roots)
{
GStringChunk *sc;
GHashTable *ht;
stat_t *result;
GList *lst;
long total;
long fl;
fl = strlen(searchFor);
ht = g_hash_table_new_full(g_str_hash, g_str_equal, NULL /* free key */, NULL /* free value */);
sc = g_string_chunk_new(buflen);
lst = NULL;
result = NULL;
total = generate_frequencies (fl, buffer, buflen, ht, ts, roots, sc);
if (!total) goto on_error;
result = g_hash_table_lookup(ht, searchFor);
on_error:
printf("%ld\t%s\n", result ? result->stat : 0, searchFor);
g_hash_table_destroy(ht);
g_string_chunk_free(sc);
}
int
main ()
{
char buffer[4096];
GTrashStack *ts;
GPtrArray *roots;
GString *stuff;
gchar *s;
int len;
roots = g_ptr_array_new();
ts = NULL;
while (fgets(buffer, sizeof (buffer), stdin))
if (strncmp(buffer, ">THREE", 6) == 0)
break;
stuff = g_string_new(NULL);
while (fgets(buffer, sizeof (buffer), stdin))
{
size_t sz;
if (buffer[0] == '>')
break;
sz = strlen(buffer);
if (buffer[sz - 1] == '\n')
--sz;
stuff = g_string_append_len(stuff, buffer, sz);
}
stuff = g_string_ascii_up(stuff);
len = stuff->len;
s = g_string_free(stuff, FALSE);
write_frequencies(1, s, len, &ts, roots);
printf("\n");
write_frequencies(2, s, len, &ts, roots);
printf("\n");
write_count("GGT", s, len, &ts, roots);
write_count("GGTA", s, len, &ts, roots);
write_count("GGTATT", s, len, &ts, roots);
write_count("GGTATTTTAATT", s, len, &ts, roots);
write_count("GGTATTTTAATTTATAGT", s, len, &ts, roots);
free(s);
g_ptr_array_foreach(roots, free, NULL);
g_ptr_array_free(roots, TRUE);
return 0;
}

151
test/bench/k-nucleotide.go Normal file
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/*
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of "The Computer Language Benchmarks Game" nor the
name of "The Computer Language Shootout Benchmarks" nor the names of
its contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/* The Computer Language Benchmarks Game
* http://shootout.alioth.debian.org/
*
* contributed by The Go Authors.
*/
package main
import (
"bufio";
"bytes";
"fmt";
"io";
"os";
"sort";
"strings";
)
var in *bufio.Reader
func count(data string, n int) map[string] int {
counts := make(map[string] int);
top := len(data) - n;
for i := 0; i <= top; i++ {
s := data[i:i+n];
if k, ok := counts[s]; ok {
counts[s] = k+1
} else {
counts[s] = 1
}
}
return counts
}
func countOne(data string, s string) int {
counts := count(data, len(s));
if i, ok := counts[s]; ok {
return i
}
return 0
}
type kNuc struct {
name string;
count int;
}
type kNucArray []kNuc
func (kn kNucArray) Len() int { return len(kn) }
func (kn kNucArray) Swap(i, j int) { kn[i], kn[j] = kn[j], kn[i] }
func (kn kNucArray) Less(i, j int) bool {
if kn[i].count == kn[j].count {
return kn[i].name > kn[j].name // sort down
}
return kn[i].count > kn[j].count
}
func sortedArray(m map[string] int) kNucArray {
kn := make(kNucArray, len(m));
i := 0;
for k, v := range m {
kn[i].name = k;
kn[i].count = v;
i++;
}
sort.Sort(kn);
return kn;
}
func print(m map[string] int) {
a := sortedArray(m);
sum := 0;
for _, kn := range a {
sum += kn.count;
}
for _, kn := range a {
fmt.Printf("%s %.3f\n", kn.name, 100*float64(kn.count)/float64(sum));
}
}
func main() {
in = bufio.NewReader(os.Stdin);
buf := new(bytes.Buffer);
three := strings.Bytes(">THREE ");
for {
line, err := in.ReadLineSlice('\n');
if err != nil {
fmt.Fprintln(os.Stderr, "ReadLine err:", err);
os.Exit(2);
}
if line[0] == '>' && bytes.Equal(line[0:len(three)], three) {
break;
}
}
data, err := io.ReadAll(in);
if err != nil {
fmt.Fprintln(os.Stderr, "ReadAll err:", err);
os.Exit(2);
}
// delete the newlines and convert to upper case
j := 0;
for i := 0; i < len(data); i++ {
if data[i] != '\n' {
data[j] = data[i] &^ ' '; // upper case
j++
}
}
str := string(data[0:j]);
print(count(str, 1));
fmt.Print("\n");
print(count(str, 2));
fmt.Print("\n");
interests := []string{"GGT", "GGTA", "GGTATT", "GGTATTTTAATT", "GGTATTTTAATTTATAGT"};
for _, s := range interests {
fmt.Printf("%d %s\n", countOne(str, s), s);
}
}

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@ -0,0 +1,27 @@
A 30.284
T 29.796
C 20.312
G 19.608
AA 9.212
AT 8.950
TT 8.948
TA 8.936
CA 6.166
CT 6.100
AC 6.086
TC 6.042
AG 6.036
GA 5.968
TG 5.868
GT 5.798
CC 4.140
GC 4.044
CG 3.906
GG 3.798
562 GGT
152 GGTA
15 GGTATT
0 GGTATTTTAATT
0 GGTATTTTAATTTATAGT

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@ -66,3 +66,10 @@ spectral-norm 5500
gc_B spectral-norm 49.69u 0.01s 49.83r
gc spectral-norm-parallel 24.47u 0.03s 11.05r # has shift >>1 not div /2
[using >>1 instead of /2 : gc gives 24.33u 0.00s 24.33r]
August 6, 2009
k-nucleotide 5000000
gcc -O2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include k-nucleotide.c -lglib-2.0 k-nucleotide.c: 10.72u 0.01s 10.74r
gccgo -O2 k-nucleotide.go 22.69u 0.85s 24.09r
gc k-nucleotide 15.63u 0.26s 16.41r

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@ -84,9 +84,19 @@ spectralnorm() {
run 'gc_B spectral-norm' $O.out -n 5500
}
knucleotide() {
gcc -O2 fasta.c
a.out 1000000 > x # should be using 25000000
echo 'k-nucleotide 1000000'
run 'gcc -O2 -I/usr/include/glib-2.0 -I/usr/lib/glib-2.0/include k-nucleotide.c -lglib-2.0' a.out <x
run 'gccgo -O2 k-nucleotide.go' a.out <x # warning: pages badly!
run 'gc k-nucleotide' $O.out <x
rm x
}
case $# in
0)
run="fasta revcom nbody binarytree fannkuch regexdna spectralnorm"
run="fasta revcom nbody binarytree fannkuch regexdna spectralnorm knucleotide"
;;
*)
run=$*