diff options
author | josh.macdonald <jmacd@users.noreply.github.com> | 2007-10-21 07:26:33 +0000 |
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committer | josh.macdonald <jmacd@users.noreply.github.com> | 2007-10-21 07:26:33 +0000 |
commit | f79ab343e49f89be06ede199a022eb3da07fd36b (patch) | |
tree | 669c4e47acbd067ba23a436bc8f876986f6383da /xdelta3 | |
parent | d14c20c9747073d2752af20cb5f5c55725fe3db1 (diff) |
New speed tes.t
Diffstat (limited to 'xdelta3')
-rwxr-xr-x | xdelta3/examples/Makefile | 19 | ||||
-rw-r--r-- | xdelta3/examples/speed_test.c | 105 |
2 files changed, 118 insertions, 6 deletions
diff --git a/xdelta3/examples/Makefile b/xdelta3/examples/Makefile index f626326..ecdef6b 100755 --- a/xdelta3/examples/Makefile +++ b/xdelta3/examples/Makefile | |||
@@ -1,14 +1,21 @@ | |||
1 | CFLAGS = -g -Wall -I.. -DXD3_DEBUG=1 | 1 | #CFLAGS = -g -Wall -I.. -DXD3_DEBUG=1 |
2 | CFLAGS = -O3 -pg -Wall -I.. -DXD3_DEBUG=0 | ||
2 | 3 | ||
3 | SOURCES = small_page_test.c | 4 | SOURCES = small_page_test.c encode_decode_test.c speed_test.c |
4 | 5 | ||
5 | all: small_page_test encode_decode_test | 6 | DEPS = ../*.h ../*.c |
6 | 7 | ||
7 | small_page_test: small_page_test.c | 8 | all: small_page_test encode_decode_test speed_test32 speed_test64 |
8 | $(CC) $(CFLAGS) small_page_test.c -o small_page_test -DXD3_USE_LARGEFILE64=1 -DSECONDARY_DJW=1 | ||
9 | 9 | ||
10 | encode_decode_test: encode_decode_test.c | 10 | small_page_test: small_page_test.c $(DEPS) |
11 | $(CC) $(CFLAGS) small_page_test.c -o small_page_test -DXD3_USE_LARGEFILE64=0 -DSECONDARY_DJW=1 | ||
12 | |||
13 | encode_decode_test: encode_decode_test.c $(DEPS) | ||
11 | $(CC) $(CFLAGS) encode_decode_test.c -o encode_decode_test | 14 | $(CC) $(CFLAGS) encode_decode_test.c -o encode_decode_test |
12 | 15 | ||
16 | speed_test32 speed_test64: speed_test.c $(DEPS) | ||
17 | $(CC) $(CFLAGS) -DXD3_USE_LARGEFILE64=0 speed_test.c -o speed_test32 | ||
18 | $(CC) $(CFLAGS) -DXD3_USE_LARGEFILE64=1 speed_test.c -o speed_test64 | ||
19 | |||
13 | clean: | 20 | clean: |
14 | rm -f *.exe *.stackdump | 21 | rm -f *.exe *.stackdump |
diff --git a/xdelta3/examples/speed_test.c b/xdelta3/examples/speed_test.c new file mode 100644 index 0000000..9e5a91f --- /dev/null +++ b/xdelta3/examples/speed_test.c | |||
@@ -0,0 +1,105 @@ | |||
1 | /* Copyright (C) 2007 Josh MacDonald */ | ||
2 | |||
3 | #define NOT_MAIN 1 | ||
4 | |||
5 | #include "xdelta3.h" | ||
6 | #include "xdelta3.c" | ||
7 | |||
8 | usize_t bench_speed(const uint8_t *from_buf, const size_t from_len, | ||
9 | const uint8_t *to_buf, const size_t to_len, | ||
10 | uint8_t *delta_buf, const size_t delta_alloc, | ||
11 | int flags) { | ||
12 | usize_t delta_size; | ||
13 | int ret = xd3_encode_memory(to_buf, to_len, from_buf, from_len, | ||
14 | delta_buf, &delta_size, delta_alloc, flags); | ||
15 | if (ret != 0) { | ||
16 | fprintf(stderr, "encode failure: %d\n", ret); | ||
17 | abort(); | ||
18 | } | ||
19 | return delta_size; | ||
20 | } | ||
21 | |||
22 | int read_whole_file(const char *name, | ||
23 | uint8_t **buf_ptr, | ||
24 | size_t *buf_len) { | ||
25 | main_file file; | ||
26 | int ret; | ||
27 | xoff_t len; | ||
28 | size_t nread; | ||
29 | main_file_init(&file); | ||
30 | file.filename = name; | ||
31 | ret = main_file_open(&file, name, XO_READ); | ||
32 | if (ret != 0) { | ||
33 | goto exit; | ||
34 | } | ||
35 | ret = main_file_stat(&file, &len, 1); | ||
36 | if (ret != 0) { | ||
37 | goto exit; | ||
38 | } | ||
39 | |||
40 | (*buf_len) = (size_t)len; | ||
41 | (*buf_ptr) = main_malloc(*buf_len); | ||
42 | ret = main_file_read(&file, *buf_ptr, *buf_len, &nread, | ||
43 | "read failed"); | ||
44 | if (ret == 0 && *buf_len == nread) { | ||
45 | ret = 0; | ||
46 | } else { | ||
47 | fprintf(stderr, "invalid read\n"); | ||
48 | ret = XD3_INTERNAL; | ||
49 | } | ||
50 | exit: | ||
51 | main_file_cleanup(&file); | ||
52 | return ret; | ||
53 | } | ||
54 | |||
55 | int main(int argc, char **argv) { | ||
56 | int repeat; | ||
57 | char *from, *to; | ||
58 | uint8_t *from_buf = NULL, *to_buf = NULL, *delta_buf = NULL; | ||
59 | size_t from_len, to_len, delta_alloc, delta_size = 0; | ||
60 | long start, finish; | ||
61 | int i, ret; | ||
62 | int flags = XD3_COMPLEVEL_1; | ||
63 | |||
64 | if (argc != 4) { | ||
65 | fprintf(stderr, "usage: speed_test COUNT FROM TO\n"); | ||
66 | return 1; | ||
67 | } | ||
68 | |||
69 | repeat = atoi(argv[1]); | ||
70 | from = argv[2]; | ||
71 | to = argv[3]; | ||
72 | |||
73 | if ((ret = read_whole_file(from, &from_buf, &from_len)) || | ||
74 | (ret = read_whole_file(to, &to_buf, &to_len))) { | ||
75 | fprintf(stderr, "read_whole_file error\n"); | ||
76 | goto exit; | ||
77 | } | ||
78 | |||
79 | delta_alloc = to_len * 11 / 10; | ||
80 | delta_buf = main_malloc(delta_alloc); | ||
81 | |||
82 | start = get_millisecs_now(); | ||
83 | |||
84 | for (i = 0; i < repeat; ++i) { | ||
85 | delta_size = bench_speed(from_buf, from_len, to_buf, to_len, delta_buf, delta_alloc, flags); | ||
86 | } | ||
87 | |||
88 | finish = get_millisecs_now(); | ||
89 | |||
90 | fprintf(stderr, | ||
91 | "STAT: encode %3ld ms from %s to %s repeat %d %dbit delta %d\n", | ||
92 | (finish - start) / repeat, from, to, repeat, sizeof (xoff_t) * 8, delta_size); | ||
93 | |||
94 | ret = 0; | ||
95 | |||
96 | if (0) { | ||
97 | exit: | ||
98 | ret = 1; | ||
99 | } | ||
100 | |||
101 | main_free(to_buf); | ||
102 | main_free(from_buf); | ||
103 | main_free(delta_buf); | ||
104 | return ret; | ||
105 | } | ||