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TypeScript Version:
3.3.3 (OSX)
Search Terms:
slow javascript compile
Code
Compile with "time tsc --allowJs md4.js --outFile t.js"
Md4.prototype.hash = function () { var a, b, c, d, ab, bc, cd, da, blocks = this.blocks; if (this.first) { a = blocks[0] - 1; a = (a << 3) | (a >>> 29); d = ((a & 0xefcdab89) | (~a & 0x98badcfe)) + blocks[1] + 271733878; d = (d << 7) | (d >>> 25); c = ((d & a) | (~d & 0xefcdab89)) + blocks[2] - 1732584194; c = (c << 11) | (c >>> 21); b = ((c & d) | (~c & a)) + blocks[3] - 271733879; b = (b << 19) | (b >>> 13); } else { a = this.h0; b = this.h1; c = this.h2; d = this.h3; a += ((b & c) | (~b & d)) + blocks[0]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[1]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[2]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[3]; b = (b << 19) | (b >>> 13); } /* not commented out: 1m44.091s, commented out: 0m1.867s, a += ((b & c) | (~b & d)) + blocks[4]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[5]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[6]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[7]; b = (b << 19) | (b >>> 13); a += ((b & c) | (~b & d)) + blocks[8]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[9]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[10]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[11]; b = (b << 19) | (b >>> 13); a += ((b & c) | (~b & d)) + blocks[12]; a = (a << 3) | (a >>> 29); d += ((a & b) | (~a & c)) + blocks[13]; d = (d << 7) | (d >>> 25); c += ((d & a) | (~d & b)) + blocks[14]; c = (c << 11) | (c >>> 21); b += ((c & d) | (~c & a)) + blocks[15]; b = (b << 19) | (b >>> 13); bc = b & c; a += (bc | (b & d) | (c & d)) + blocks[0] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[4] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[8] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[12] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[1] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[5] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[9] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[13] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[2] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[6] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[10] + 1518500249; c = (c << 9) | (c >>> 23); cd = c & d; b += (cd | (c & a) | da) + blocks[14] + 1518500249; b = (b << 13) | (b >>> 19); bc = b & c; a += (bc | (b & d) | cd) + blocks[3] + 1518500249; a = (a << 3) | (a >>> 29); ab = a & b; d += (ab | (a & c) | bc) + blocks[7] + 1518500249; d = (d << 5) | (d >>> 27); da = d & a; c += (da | (d & b) | ab) + blocks[11] + 1518500249; c = (c << 9) | (c >>> 23); b += ((c & d) | (c & a) | da) + blocks[15] + 1518500249; b = (b << 13) | (b >>> 19); bc = b ^ c; a += (bc ^ d) + blocks[0] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[8] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[4] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[12] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[2] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[10] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[6] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[14] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[1] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[9] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[5] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[13] + 1859775393; b = (b << 15) | (b >>> 17); bc = b ^ c; a += (bc ^ d) + blocks[3] + 1859775393; a = (a << 3) | (a >>> 29); d += (bc ^ a) + blocks[11] + 1859775393; d = (d << 9) | (d >>> 23); da = d ^ a; c += (da ^ b) + blocks[7] + 1859775393; c = (c << 11) | (c >>> 21); b += (da ^ c) + blocks[15] + 1859775393; b = (b << 15) | (b >>> 17); */ if (this.first) { this.h0 = a + 1732584193 << 0; this.h1 = b - 271733879 << 0; this.h2 = c - 1732584194 << 0; this.h3 = d + 271733878 << 0; this.first = false; } else { this.h0 = this.h0 + a << 0; this.h1 = this.h1 + b << 0; this.h2 = this.h2 + c << 0; this.h3 = this.h3 + d << 0; } };
Expected behavior:
Insignificant increase in compile time when the code is not commented out.
Actual behavior:
Huge increase in compile time (from 2 seconds to 1 minute 44 seconds) when the code is not commented out
Playground Link:
The behavior doesn't reproduce in TypeScript Playground.
Related Issues:
The text was updated successfully, but these errors were encountered:
ahejlsberg
Successfully merging a pull request may close this issue.
TypeScript Version:
3.3.3 (OSX)
Search Terms:
slow javascript compile
Code
Compile with "time tsc --allowJs md4.js --outFile t.js"
Expected behavior:
Insignificant increase in compile time when the code is not commented out.
Actual behavior:
Huge increase in compile time (from 2 seconds to 1 minute 44 seconds) when the code is not commented out
Playground Link:
The behavior doesn't reproduce in TypeScript Playground.
Related Issues:
The text was updated successfully, but these errors were encountered: