Snapman集合了TCC编译器可以直接编译执行C语言脚本，其脚本执行效率和C#编译程序进行效率对比，包括下面4方面：
1、函数执行效率
2、数字转换成字符串
3、字符串的叠加
4、MD5算法
这是C#代码：
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;using System.Windows.Forms;using System.IO;using System.Collections;namespace TestEfficiency{ public partial class Form1 : Form { public Form1() { InitializeComponent(); } int fibonacci(int n) { if (n == 1 || n == 2) return 1; return fibonacci(n - 1) + fibonacci(n - 2); } string numberConvert() { string result = ""; for (int i = 0; i < 14000000; i++ ) { result = i.ToString(); } return result; } string stringAppend() { string conc = "StringBuilder sb = new StringBuilder(1024);"; StringBuilder sb = new StringBuilder(1024); for (int i = 0; i < 1400; i++) { sb = new StringBuilder(1024); for (int j = 0; j < 10000; j++ ) { sb.Append(conc); } } return sb.ToString(); } public class MD5 { //static state variables private static UInt32 A; private static UInt32 B; private static UInt32 C; private static UInt32 D; //number of bits to rotate in tranforming private const int S11 = 7; private const int S12 = 12; private const int S13 = 17; private const int S14 = 22; private const int S21 = 5; private const int S22 = 9; private const int S23 = 14; private const int S24 = 20; private const int S31 = 4; private const int S32 = 11; private const int S33 = 16; private const int S34 = 23; private const int S41 = 6; private const int S42 = 10; private const int S43 = 15; private const int S44 = 21; /* F, G, H and I are basic MD5 functions. * 四个非线性函数: * * F(X,Y,Z) =(X&Y)|((~X)&Z) * G(X,Y,Z) =(X&Z)|(Y&(~Z)) * H(X,Y,Z) =X^Y^Z * I(X,Y,Z)=Y^(X|(~Z)) * * （&与，|或，~非，^异或） */ private static UInt32 F(UInt32 x, UInt32 y, UInt32 z) { return (x & y) | ((~x) & z); } private static UInt32 G(UInt32 x, UInt32 y, UInt32 z) { return (x & z) | (y & (~z)); } private static UInt32 H(UInt32 x, UInt32 y, UInt32 z) { return x ^ y ^ z; } private static UInt32 I(UInt32 x, UInt32 y, UInt32 z) { return y ^ (x | (~z)); } /* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4. * Rotation is separate from addition to prevent recomputation. */ private static void FF(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti) { a = a + F(b, c, d) + mj + ti; a = a << s | a >> (32 - s); a += b; } private static void GG(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti) { a = a + G(b, c, d) + mj + ti; a = a << s | a >> (32 - s); a += b; } private static void HH(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti) { a = a + H(b, c, d) + mj + ti; a = a << s | a >> (32 - s); a += b; } private static void II(ref UInt32 a, UInt32 b, UInt32 c, UInt32 d, UInt32 mj, int s, UInt32 ti) { a = a + I(b, c, d) + mj + ti; a = a << s | a >> (32 - s); a += b; } private static void MD5_Init() { A = 0x67452301; //in memory, this is 0x01234567 B = 0xefcdab89; //in memory, this is 0x89abcdef C = 0x98badcfe; //in memory, this is 0xfedcba98 D = 0x10325476; //in memory, this is 0x76543210 } private static UInt32[] MD5_Append(byte[] input) { int zeros = 0; int ones = 1; int size = 0; int n = input.Length; int m = n % 64; if (m < 56) { zeros = 55 - m; size = n - m + 64; } else if (m == 56) { zeros = 0; ones = 0; size = n + 8; } else { zeros = 63 - m + 56; size = n + 64 - m + 64; } ArrayList bs = new ArrayList(input); if (ones == 1) { bs.Add((byte)0x80); // 0x80 = $10000000 } for (int i = 0; i < zeros; i++) { bs.Add((byte)0); } UInt64 N = (UInt64)n * 8; byte h1 = (byte)(N & 0xFF); byte h2 = (byte)((N >> 8) & 0xFF); byte h3 = (byte)((N >> 16) & 0xFF); byte h4 = (byte)((N >> 24) & 0xFF); byte h5 = (byte)((N >> 32) & 0xFF); byte h6 = (byte)((N >> 40) & 0xFF); byte h7 = (byte)((N >> 48) & 0xFF); byte h8 = (byte)(N >> 56); bs.Add(h1); bs.Add(h2); bs.Add(h3); bs.Add(h4); bs.Add(h5); bs.Add(h6); bs.Add(h7); bs.Add(h8); byte[] ts = (byte[])bs.ToArray(typeof(byte)); /* Decodes input (byte[]) into output (UInt32[]). Assumes len is * a multiple of 4. */ UInt32[] output = new UInt32[size / 4]; for (Int64 i = 0, j = 0; i < size; j++, i += 4) { output[j] = (UInt32)(ts[i] | ts[i + 1] << 8 | ts[i + 2] << 16 | ts[i + 3] << 24); } return output; } private static UInt32[] MD5_Trasform(UInt32[] x) { UInt32 a, b, c, d; for (int k = 0; k < x.Length; k += 16) { a = A; b = B; c = C; d = D; /* Round 1 */ FF(ref a, b, c, d, x[k + 0], S11, 0xd76aa478); /* 1 */ FF(ref d, a, b, c, x[k + 1], S12, 0xe8c7b756); /* 2 */ FF(ref c, d, a, b, x[k + 2], S13, 0x242070db); /* 3 */ FF(ref b, c, d, a, x[k + 3], S14, 0xc1bdceee); /* 4 */ FF(ref a, b, c, d, x[k + 4], S11, 0xf57c0faf); /* 5 */ FF(ref d, a, b, c, x[k + 5], S12, 0x4787c62a); /* 6 */ FF(ref c, d, a, b, x[k + 6], S13, 0xa8304613); /* 7 */ FF(ref b, c, d, a, x[k + 7], S14, 0xfd469501); /* 8 */ FF(ref a, b, c, d, x[k + 8], S11, 0x698098d8); /* 9 */ FF(ref d, a, b, c, x[k + 9], S12, 0x8b44f7af); /* 10 */ FF(ref c, d, a, b, x[k + 10], S13, 0xffff5bb1); /* 11 */ FF(ref b, c, d, a, x[k + 11], S14, 0x895cd7be); /* 12 */ FF(ref a, b, c, d, x[k + 12], S11, 0x6b901122); /* 13 */ FF(ref d, a, b, c, x[k + 13], S12, 0xfd987193); /* 14 */ FF(ref c, d, a, b, x[k + 14], S13, 0xa679438e); /* 15 */ FF(ref b, c, d, a, x[k + 15], S14, 0x49b40821); /* 16 */ /* Round 2 */ GG(ref a, b, c, d, x[k + 1], S21, 0xf61e2562); /* 17 */ GG(ref d, a, b, c, x[k + 6], S22, 0xc040b340); /* 18 */ GG(ref c, d, a, b, x[k + 11], S23, 0x265e5a51); /* 19 */ GG(ref b, c, d, a, x[k + 0], S24, 0xe9b6c7aa); /* 20 */ GG(ref a, b, c, d, x[k + 5], S21, 0xd62f105d); /* 21 */ GG(ref d, a, b, c, x[k + 10], S22, 0x2441453); /* 22 */ GG(ref c, d, a, b, x[k + 15], S23, 0xd8a1e681); /* 23 */ GG(ref b, c, d, a, x[k + 4], S24, 0xe7d3fbc8); /* 24 */ GG(ref a, b, c, d, x[k + 9], S21, 0x21e1cde6); /* 25 */ GG(ref d, a, b, c, x[k + 14], S22, 0xc33707d6); /* 26 */ GG(ref c, d, a, b, x[k + 3], S23, 0xf4d50d87); /* 27 */ GG(ref b, c, d, a, x[k + 8], S24, 0x455a14ed); /* 28 */ GG(ref a, b, c, d, x[k + 13], S21, 0xa9e3e905); /* 29 */ GG(ref d, a, b, c, x[k + 2], S22, 0xfcefa3f8); /* 30 */ GG(ref c, d, a, b, x[k + 7], S23, 0x676f02d9); /* 31 */ GG(ref b, c, d, a, x[k + 12], S24, 0x8d2a4c8a); /* 32 */ /* Round 3 */ HH(ref a, b, c, d, x[k + 5], S31, 0xfffa3942); /* 33 */ HH(ref d, a, b, c, x[k + 8], S32, 0x8771f681); /* 34 */ HH(ref c, d, a, b, x[k + 11], S33, 0x6d9d6122); /* 35 */ HH(ref b, c, d, a, x[k + 14], S34, 0xfde5380c); /* 36 */ HH(ref a, b, c, d, x[k + 1], S31, 0xa4beea44); /* 37 */ HH(ref d, a, b, c, x[k + 4], S32, 0x4bdecfa9); /* 38 */ HH(ref c, d, a, b, x[k + 7], S33, 0xf6bb4b60); /* 39 */ HH(ref b, c, d, a, x[k + 10], S34, 0xbebfbc70); /* 40 */ HH(ref a, b, c, d, x[k + 13], S31, 0x289b7ec6); /* 41 */ HH(ref d, a, b, c, x[k + 0], S32, 0xeaa127fa); /* 42 */ HH(ref c, d, a, b, x[k + 3], S33, 0xd4ef3085); /* 43 */ HH(ref b, c, d, a, x[k + 6], S34, 0x4881d05); /* 44 */ HH(ref a, b, c, d, x[k + 9], S31, 0xd9d4d039); /* 45 */ HH(ref d, a, b, c, x[k + 12], S32, 0xe6db99e5); /* 46 */ HH(ref c, d, a, b, x[k + 15], S33, 0x1fa27cf8); /* 47 */ HH(ref b, c, d, a, x[k + 2], S34, 0xc4ac5665); /* 48 */ /* Round 4 */ II(ref a, b, c, d, x[k + 0], S41, 0xf4292244); /* 49 */ II(ref d, a, b, c, x[k + 7], S42, 0x432aff97); /* 50 */ II(ref c, d, a, b, x[k + 14], S43, 0xab9423a7); /* 51 */ II(ref b, c, d, a, x[k + 5], S44, 0xfc93a039); /* 52 */ II(ref a, b, c, d, x[k + 12], S41, 0x655b59c3); /* 53 */ II(ref d, a, b, c, x[k + 3], S42, 0x8f0ccc92); /* 54 */ II(ref c, d, a, b, x[k + 10], S43, 0xffeff47d); /* 55 */ II(ref b, c, d, a, x[k + 1], S44, 0x85845dd1); /* 56 */ II(ref a, b, c, d, x[k + 8], S41, 0x6fa87e4f); /* 57 */ II(ref d, a, b, c, x[k + 15], S42, 0xfe2ce6e0); /* 58 */ II(ref c, d, a, b, x[k + 6], S43, 0xa3014314); /* 59 */ II(ref b, c, d, a, x[k + 13], S44, 0x4e0811a1); /* 60 */ II(ref a, b, c, d, x[k + 4], S41, 0xf7537e82); /* 61 */ II(ref d, a, b, c, x[k + 11], S42, 0xbd3af235); /* 62 */ II(ref c, d, a, b, x[k + 2], S43, 0x2ad7d2bb); /* 63 */ II(ref b, c, d, a, x[k + 9], S44, 0xeb86d391); /* 64 */ A += a; B += b; C += c; D += d; } return new UInt32[] { A, B, C, D }; } public static byte[] MD5Array(byte[] input) { MD5_Init(); UInt32[] block = MD5_Append(input); UInt32[] bits = MD5_Trasform(block); /* Encodes bits (UInt32[]) into output (byte[]). Assumes len is * a multiple of 4. */ byte[] output = new byte[bits.Length * 4]; for (int i = 0, j = 0; i < bits.Length; i++, j += 4) { output[j] = (byte)(bits[i] & 0xff); output[j + 1] = (byte)((bits[i] >> 8) & 0xff); output[j + 2] = (byte)((bits[i] >> 16) & 0xff); output[j + 3] = (byte)((bits[i] >> 24) & 0xff); } return output; } public static string ArrayToHexString(byte[] array, bool uppercase) { string hexString = ""; string format = "x2"; if (uppercase) { format = "X2"; } foreach (byte b in array) { hexString += b.ToString(format); } return hexString; } public static string MDString(string message) { char[] c = message.ToCharArray(); byte[] b = new byte[c.Length]; for (int i = 0; i < c.Length; i++) { b[i] = (byte)c[i]; } byte[] digest = MD5Array(b); return ArrayToHexString(digest, false); } } string testMd5() { string conc = "StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);"; conc = conc + conc + conc + conc + conc + conc + conc + conc; string about = ""; for (int i = 0; i < 100000; i++ ) { about = MD5.MDString(conc); } return about; } private void button1_Click(object sender, EventArgs e) { DateTime fbeforDT = System.DateTime.Now; fibonacci(45); DateTime fafterDT = System.DateTime.Now; TimeSpan ts = fafterDT.Subtract(fbeforDT); textBox1.Text = string.Format("fibonacci spend: {0}ms.", ts.TotalMilliseconds); DateTime nbeforDT = System.DateTime.Now; numberConvert(); DateTime nafterDT = System.DateTime.Now; TimeSpan nts = nafterDT.Subtract(nbeforDT); textBox2.Text = string.Format("numberConvert spend: {0}ms.", nts.TotalMilliseconds); DateTime sbeforDT = System.DateTime.Now; stringAppend(); DateTime safterDT = System.DateTime.Now; TimeSpan sts = safterDT.Subtract(sbeforDT); textBox3.Text = string.Format("stringAppend spend: {0}ms.", sts.TotalMilliseconds); DateTime mbeforDT = System.DateTime.Now; testMd5(); DateTime mafterDT = System.DateTime.Now; TimeSpan mts = mafterDT.Subtract(mbeforDT); textBox4.Text = string.Format("testMd5 spend: {0}ms.", mts.TotalMilliseconds); } } }
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这是C#编译出来Release的页面：
这是Snapman系统中写的TCC脚本代码：
int fibonacci(int n) { if(n==1||n==2) return 1; return fibonacci(n-1) + fibonacci(n-2); }char* numberConvert(){ char* result = (char*)malloc(128); for (int i = 0; i < 14000000; i++ ) { itoa(i,result,10); } return result;}char* stringAppend(){ char* conc = "StringBuilder sb = new StringBuilder(1024);"; char* sb = (char*)malloc(1024); int len = 1024, cl = strlen(conc), curlen = 0; for (int i = 0; i < 1400; i++) { free(sb); len = 1024; curlen = 0; sb = (char*)malloc(1024); for(int j = 0; j < 10000; j++) { if(curlen + cl > len) { sb = (char*)realloc(sb,len*2); len *= 2; } memcpy(sb+curlen,conc,cl); curlen += cl; } } sb[curlen] = 0; return sb;}#define S11 7 #define S12 12 #define S13 17 #define S14 22 #define S21 5 #define S22 9 #define S23 14 #define S24 20 #define S31 4 #define S32 11 #define S33 16 #define S34 23 #define S41 6 #define S42 10 #define S43 15 #define S44 21 static unsigned char PADDING[64] = { 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; #define F(x, y, z) (((x) & (y)) | ((~x) & (z))) #define G(x, y, z) (((x) & (z)) | ((y) & (~z))) #define H(x, y, z) ((x) ^ (y) ^ (z)) #define I(x, y, z) ((y) ^ ((x) | (~z))) #define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n)))) #define FF(a, b, c, d, x, s, ac) { (a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); } #define GG(a, b, c, d, x, s, ac) { (a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); } #define HH(a, b, c, d, x, s, ac) { (a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); } #define II(a, b, c, d, x, s, ac) { (a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); (a) = ROTATE_LEFT ((a), (s)); (a) += (b); } typedef unsigned char *POINTER; typedef unsigned short int UINT2; typedef unsigned long int UINT4; typedef struct { UINT4 state[4]; UINT4 count[2]; unsigned char buffer[64]; } MD5_CTX; void Encode(unsigned char *output, UINT4 *input, unsigned int len) { unsigned int i, j; for (i = 0, j = 0; j < len; i++, j += 4) { output[j] = (unsigned char)(input[i] & 0xff); output[j+1] = (unsigned char)((input[i] >> 8) & 0xff); output[j+2] = (unsigned char)((input[i] >> 16) & 0xff); output[j+3] = (unsigned char)((input[i] >> 24) & 0xff); } } void Decode(UINT4 *output, unsigned char *input, unsigned int len) { unsigned int i, j; for (i = 0, j = 0; j < len; i++, j += 4) { output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) | (((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24); }} void MD5Transform (UINT4 state[4], unsigned char block[64]) { UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16]; Decode (x, block, 64); FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */ FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */ FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */ FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */ FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */ FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */ FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */ FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */ FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */ FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */ FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */ FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */ FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */ FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */ FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */ FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */ GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */ GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */ GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */ GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */ GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */ GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */ GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */ GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */ GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */ GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */ GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */ GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */ GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */ GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */ GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */ GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */ HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */ HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */ HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */ HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */ HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */ HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */ HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */ HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */ HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */ HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */ HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */ HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */ HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */ HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */ HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */ HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */ II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */ II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */ II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */ II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */ II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */ II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */ II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */ II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */ II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */ II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */ II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */ II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */ II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */ II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */ II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */ II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */ state[0] += a; state[1] += b; state[2] += c; state[3] += d; memset ((POINTER)x, 0, sizeof (x)); } void MD5Init(MD5_CTX *context) { context->count[0] = context->count[1] = 0; context->state[0] = 0x67452301; context->state[1] = 0xefcdab89; context->state[2] = 0x98badcfe; context->state[3] = 0x10325476; } void MD5Update(MD5_CTX *context, unsigned char *input, unsigned int inputLen) { unsigned int i, index, partLen; index = (unsigned int)((context->count[0] >> 3) & 0x3F); if ((context->count[0] += ((UINT4)inputLen << 3)) < ((UINT4)inputLen << 3)) context->count[1]++; context->count[1] += ((UINT4)inputLen >> 29); partLen = 64 - index; if (inputLen >= partLen) { memcpy((POINTER)&context->buffer[index], (POINTER)input, partLen); MD5Transform(context->state, context->buffer); for (i = partLen; i + 63 < inputLen; i += 64) MD5Transform (context->state, &input[i]); index = 0; } else { i = 0; } memcpy((POINTER)&context->buffer[index], (POINTER)&input[i], inputLen-i); } void MD5Final(unsigned char digest[16], MD5_CTX *context) { unsigned char bits[8]; unsigned int index, padLen; Encode (bits, context->count, 8); index = (unsigned int)((context->count[0] >> 3) & 0x3f); padLen = (index < 56) ? (56 - index) : (120 - index); MD5Update (context, PADDING, padLen); MD5Update (context, bits, 8); Encode (digest, context->state, 16); memset ((POINTER)context, 0, sizeof (*context)); } void MD5Digest(char *pszInput, unsigned long nInputSize, char *pszOutPut) { MD5_CTX context; unsigned int len = strlen (pszInput); MD5Init (&context); MD5Update (&context, (unsigned char *)pszInput, len); MD5Final ((unsigned char *)pszOutPut, &context); } char* MD5Buffer( const char *pszInput, UINT nInputSize ){ char szDigest[16]; char* szResult = (char*)malloc(56); memset(szResult,0,56); MD5_CTX context; MD5Init (&context); MD5Update (&context, (unsigned char *)pszInput, nInputSize); MD5Final ((unsigned char *)szDigest, &context); int i; for (i=0;i<16;i++) sprintf (szResult+strlen(szResult),"%02X",(unsigned char)szDigest[i]); return szResult;}char* testMd5(){ char* conc = "StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);StringBuilder sb = new StringBuilder(1024);"; char* p = (char*)malloc(2048); char* about = NULL; int len = 0; memset(p,0,2048); strcat(p,conc); strcat(p,conc); strcat(p,conc); strcat(p,conc); strcat(p,conc); strcat(p,conc); strcat(p,conc); strcat(p,conc); len = strlen(p); for (int i = 0; i < 100000; i++ ) { if(about)free(about); about = MD5Buffer(p,len); } return about;}void main(){ int starTicc = GetTickCount(); fibonacci(45); wPrint(L"fibonacci spend: %dms",GetTickCount() - starTicc); starTicc = GetTickCount(); free(numberConvert()); wPrint(L"numberConvert spend: %dms",GetTickCount() - starTicc); starTicc = GetTickCount(); free(stringAppend()); wPrint(L"stringAppend spend: %dms",GetTickCount() - starTicc); starTicc = GetTickCount(); free(testMd5()); wPrint(L"testMd5 spend: %dms",GetTickCount() - starTicc);}
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这是Snapman页面：
两种代码的设计和实现方法完全一样，其运行结果对比：
C#执行结果：
Snapman执行结果：
结论：
1、函数执行C#要比Snapman慢一些
2、数字转换C#要比Snapman慢一倍多
3、字符串叠加C#使用了最高效的StringBuilder，执行速度和Snapman差不多
4、执行Md5算法，C#就要比Snapman慢了11倍
所以Snapman的脚本运行速度是非常快速的。
Snapman的主页：http://www.snapman.xyz
只有流过血的手指才能弹出世间的绝唱。
