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lavu/ripemd: Fully unroll the transform function loops
crypto_bench RIPEMD-160 results using an AMD Athlon X2 7750+, mingw32-w64 GCC 4.8.1 x86_64 Before: lavu RIPEMD-160 size: 1048576 runs: 1024 time: 12.342 +- 0.199 After: lavu RIPEMD-160 size: 1048576 runs: 1024 time: 10.143 +- 0.192 Signed-off-by: James Almer <jamrial@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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@ -128,37 +128,42 @@ static void ripemd128_transform(uint32_t *state, const uint8_t buffer[64], int e
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for (n = 0; n < 16; n++)
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block[n] = AV_RL32(buffer + 4 * n);
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n = 0;
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for (n = 0; n < 16;) {
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ROUND128_0_TO_15(a,b,c,d,e,f,g,h);
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ROUND128_0_TO_15(d,a,b,c,h,e,f,g);
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ROUND128_0_TO_15(c,d,a,b,g,h,e,f);
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ROUND128_0_TO_15(b,c,d,a,f,g,h,e);
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}
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#define R128_0 \
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ROUND128_0_TO_15(a,b,c,d,e,f,g,h); \
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ROUND128_0_TO_15(d,a,b,c,h,e,f,g); \
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ROUND128_0_TO_15(c,d,a,b,g,h,e,f); \
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ROUND128_0_TO_15(b,c,d,a,f,g,h,e)
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R128_0; R128_0; R128_0; R128_0;
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SWAP(a,e)
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for (; n < 32;) {
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ROUND128_16_TO_31(a,b,c,d,e,f,g,h);
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ROUND128_16_TO_31(d,a,b,c,h,e,f,g);
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ROUND128_16_TO_31(c,d,a,b,g,h,e,f);
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ROUND128_16_TO_31(b,c,d,a,f,g,h,e);
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}
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#define R128_16 \
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ROUND128_16_TO_31(a,b,c,d,e,f,g,h); \
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ROUND128_16_TO_31(d,a,b,c,h,e,f,g); \
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ROUND128_16_TO_31(c,d,a,b,g,h,e,f); \
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ROUND128_16_TO_31(b,c,d,a,f,g,h,e)
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R128_16; R128_16; R128_16; R128_16;
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SWAP(b,f)
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for (; n < 48;) {
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ROUND128_32_TO_47(a,b,c,d,e,f,g,h);
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ROUND128_32_TO_47(d,a,b,c,h,e,f,g);
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ROUND128_32_TO_47(c,d,a,b,g,h,e,f);
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ROUND128_32_TO_47(b,c,d,a,f,g,h,e);
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}
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#define R128_32 \
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ROUND128_32_TO_47(a,b,c,d,e,f,g,h); \
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ROUND128_32_TO_47(d,a,b,c,h,e,f,g); \
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ROUND128_32_TO_47(c,d,a,b,g,h,e,f); \
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ROUND128_32_TO_47(b,c,d,a,f,g,h,e)
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R128_32; R128_32; R128_32; R128_32;
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SWAP(c,g)
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for (; n < 64;) {
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ROUND128_48_TO_63(a,b,c,d,e,f,g,h);
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ROUND128_48_TO_63(d,a,b,c,h,e,f,g);
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ROUND128_48_TO_63(c,d,a,b,g,h,e,f);
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ROUND128_48_TO_63(b,c,d,a,f,g,h,e);
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}
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#define R128_48 \
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ROUND128_48_TO_63(a,b,c,d,e,f,g,h); \
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ROUND128_48_TO_63(d,a,b,c,h,e,f,g); \
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ROUND128_48_TO_63(c,d,a,b,g,h,e,f); \
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ROUND128_48_TO_63(b,c,d,a,f,g,h,e)
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R128_48; R128_48; R128_48; R128_48;
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SWAP(d,h)
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if (ext) {
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@ -222,54 +227,60 @@ static void ripemd160_transform(uint32_t *state, const uint8_t buffer[64], int e
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for (n = 0; n < 16; n++)
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block[n] = AV_RL32(buffer + 4 * n);
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n = 0;
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for (n = 0; n < 16 - 1;) {
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ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
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ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i);
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ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h);
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ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g);
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ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f);
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}
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#define R160_0 \
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ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j); \
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ROUND160_0_TO_15(e,a,b,c,d,j,f,g,h,i); \
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ROUND160_0_TO_15(d,e,a,b,c,i,j,f,g,h); \
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ROUND160_0_TO_15(c,d,e,a,b,h,i,j,f,g); \
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ROUND160_0_TO_15(b,c,d,e,a,g,h,i,j,f)
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R160_0; R160_0; R160_0;
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ROUND160_0_TO_15(a,b,c,d,e,f,g,h,i,j);
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SWAP(a,f)
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for (; n < 32 - 1;) {
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ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i);
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ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h);
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ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g);
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ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f);
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ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j);
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}
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#define R160_16 \
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ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i); \
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ROUND160_16_TO_31(d,e,a,b,c,i,j,f,g,h); \
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ROUND160_16_TO_31(c,d,e,a,b,h,i,j,f,g); \
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ROUND160_16_TO_31(b,c,d,e,a,g,h,i,j,f); \
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ROUND160_16_TO_31(a,b,c,d,e,f,g,h,i,j)
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R160_16; R160_16; R160_16;
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ROUND160_16_TO_31(e,a,b,c,d,j,f,g,h,i);
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SWAP(b,g)
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for (; n < 48 - 1;) {
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ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h);
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ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g);
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ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f);
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ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j);
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ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i);
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}
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#define R160_32 \
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ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h); \
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ROUND160_32_TO_47(c,d,e,a,b,h,i,j,f,g); \
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ROUND160_32_TO_47(b,c,d,e,a,g,h,i,j,f); \
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ROUND160_32_TO_47(a,b,c,d,e,f,g,h,i,j); \
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ROUND160_32_TO_47(e,a,b,c,d,j,f,g,h,i)
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R160_32; R160_32; R160_32;
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ROUND160_32_TO_47(d,e,a,b,c,i,j,f,g,h);
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SWAP(c,h)
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for (; n < 64 - 1;) {
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ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g);
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ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f);
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ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j);
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ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i);
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ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h);
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}
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#define R160_48 \
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ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g); \
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ROUND160_48_TO_63(b,c,d,e,a,g,h,i,j,f); \
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ROUND160_48_TO_63(a,b,c,d,e,f,g,h,i,j); \
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ROUND160_48_TO_63(e,a,b,c,d,j,f,g,h,i); \
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ROUND160_48_TO_63(d,e,a,b,c,i,j,f,g,h)
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R160_48; R160_48; R160_48;
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ROUND160_48_TO_63(c,d,e,a,b,h,i,j,f,g);
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SWAP(d,i)
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for (; n < 75;) {
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ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f);
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ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j);
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ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i);
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ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h);
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ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g);
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}
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#define R160_64 \
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ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f); \
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ROUND160_64_TO_79(a,b,c,d,e,f,g,h,i,j); \
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ROUND160_64_TO_79(e,a,b,c,d,j,f,g,h,i); \
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ROUND160_64_TO_79(d,e,a,b,c,i,j,f,g,h); \
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ROUND160_64_TO_79(c,d,e,a,b,h,i,j,f,g)
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R160_64; R160_64; R160_64;
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ROUND160_64_TO_79(b,c,d,e,a,g,h,i,j,f);
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SWAP(e,j)
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