optimized cgemv_t kernel for haswell
This commit is contained in:
wernsaar
parent
53b5726b04
commit
8f100a14f2
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@ -8,7 +8,7 @@ ZGEMVNKERNEL = zgemv_n_4.c
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ZGEMVTKERNEL = zgemv_t_4.c
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CGEMVNKERNEL = cgemv_n_4.c
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CGEMVTKERNEL = cgemv_t.c
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CGEMVTKERNEL = cgemv_t_4.c
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SGEMMKERNEL = sgemm_kernel_16x4_haswell.S
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SGEMMINCOPY = ../generic/gemm_ncopy_16.c
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@ -251,3 +251,289 @@ static void cgemv_kernel_4x4( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT
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}
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#define HAVE_KERNEL_4x2 1
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static void cgemv_kernel_4x2( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
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static void cgemv_kernel_4x2( BLASLONG n, FLOAT **ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // temp
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"vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // temp
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"vxorps %%ymm10, %%ymm10, %%ymm10 \n\t" // temp
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"vxorps %%ymm11, %%ymm11, %%ymm11 \n\t" // temp
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"testq $0x04, %1 \n\t"
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"jz .L08LABEL%= \n\t"
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"vmovups (%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"vmovups (%5,%0,4), %%ymm5 \n\t" // 4 complex values from a1
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"vmovups (%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"vfmadd231ps %%ymm5 , %%ymm0, %%ymm10 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm5 , %%ymm1, %%ymm11 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"addq $8 , %0 \n\t"
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"subq $4 , %1 \n\t"
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".L08LABEL%=: \n\t"
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"cmpq $0, %1 \n\t"
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"je .L08END%= \n\t"
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"prefetcht0 192(%4,%0,4) \n\t"
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"vmovups (%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"prefetcht0 192(%5,%0,4) \n\t"
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"vmovups (%5,%0,4), %%ymm5 \n\t" // 4 complex values from a1
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"prefetcht0 192(%2,%0,4) \n\t"
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"vmovups (%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"vfmadd231ps %%ymm5 , %%ymm0, %%ymm10 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm5 , %%ymm1, %%ymm11 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"vmovups 32(%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"vmovups 32(%5,%0,4), %%ymm5 \n\t" // 4 complex values from a1
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"vmovups 32(%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"vfmadd231ps %%ymm5 , %%ymm0, %%ymm10 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm5 , %%ymm1, %%ymm11 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"addq $16 , %0 \n\t"
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"subq $8 , %1 \n\t"
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"jnz .L01LOOP%= \n\t"
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".L08END%=: \n\t"
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"vbroadcastss (%6) , %%xmm0 \n\t" // value from alpha
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"vbroadcastss 4(%6) , %%xmm1 \n\t" // value from alpha
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vpermilps $0xb1 , %%ymm9 , %%ymm9 \n\t"
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"vpermilps $0xb1 , %%ymm11, %%ymm11 \n\t"
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"vaddsubps %%ymm9 , %%ymm8, %%ymm8 \n\t"
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"vaddsubps %%ymm11, %%ymm10, %%ymm10 \n\t"
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#else
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"vpermilps $0xb1 , %%ymm8 , %%ymm8 \n\t"
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"vpermilps $0xb1 , %%ymm10, %%ymm10 \n\t"
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"vaddsubps %%ymm8 , %%ymm9 , %%ymm8 \n\t"
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"vaddsubps %%ymm10, %%ymm11, %%ymm10 \n\t"
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"vpermilps $0xb1 , %%ymm8 , %%ymm8 \n\t"
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"vpermilps $0xb1 , %%ymm10, %%ymm10 \n\t"
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#endif
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"vmovsd (%3), %%xmm4 \n\t" // read y
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"vmovsd 8(%3), %%xmm5 \n\t"
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"vextractf128 $1, %%ymm8 , %%xmm9 \n\t"
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"vextractf128 $1, %%ymm10, %%xmm11 \n\t"
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"vaddps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vaddps %%xmm10, %%xmm11, %%xmm10 \n\t"
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"vshufpd $0x1, %%xmm8 , %%xmm8 , %%xmm9 \n\t"
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"vshufpd $0x1, %%xmm10, %%xmm10, %%xmm11 \n\t"
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"vaddps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vaddps %%xmm10, %%xmm11, %%xmm10 \n\t"
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"vmulps %%xmm8 , %%xmm1 , %%xmm9 \n\t" // t_r * alpha_i , t_i * alpha_i
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"vmulps %%xmm8 , %%xmm0 , %%xmm8 \n\t" // t_r * alpha_r , t_i * alpha_r
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"vmulps %%xmm10, %%xmm1 , %%xmm11 \n\t" // t_r * alpha_i , t_i * alpha_i
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"vmulps %%xmm10, %%xmm0 , %%xmm10 \n\t" // t_r * alpha_r , t_i * alpha_r
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#if !defined(XCONJ)
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"vpermilps $0xb1 , %%xmm9 , %%xmm9 \n\t"
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"vpermilps $0xb1 , %%xmm11, %%xmm11 \n\t"
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"vaddsubps %%xmm9 , %%xmm8, %%xmm8 \n\t"
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"vaddsubps %%xmm11, %%xmm10, %%xmm10 \n\t"
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#else
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"vpermilps $0xb1 , %%xmm8 , %%xmm8 \n\t"
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"vpermilps $0xb1 , %%xmm10, %%xmm10 \n\t"
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"vaddsubps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vaddsubps %%xmm10, %%xmm11, %%xmm10 \n\t"
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"vpermilps $0xb1 , %%xmm8 , %%xmm8 \n\t"
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"vpermilps $0xb1 , %%xmm10, %%xmm10 \n\t"
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#endif
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"vaddps %%xmm8 , %%xmm4 , %%xmm8 \n\t"
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"vaddps %%xmm10, %%xmm5 , %%xmm10 \n\t"
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"vmovsd %%xmm8 , (%3) \n\t"
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"vmovsd %%xmm10, 8(%3) \n\t"
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"vzeroupper \n\t"
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:
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:
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"r" (i), // 0
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"r" (n), // 1
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"r" (x), // 2
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"r" (y), // 3
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"r" (ap[0]), // 4
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"r" (ap[1]), // 5
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"r" (alpha) // 6
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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#define HAVE_KERNEL_4x1 1
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static void cgemv_kernel_4x1( BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha) __attribute__ ((noinline));
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static void cgemv_kernel_4x1( BLASLONG n, FLOAT *ap, FLOAT *x, FLOAT *y, FLOAT *alpha)
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{
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BLASLONG register i = 0;
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__asm__ __volatile__
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(
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"vzeroupper \n\t"
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"vxorps %%ymm8 , %%ymm8 , %%ymm8 \n\t" // temp
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"vxorps %%ymm9 , %%ymm9 , %%ymm9 \n\t" // temp
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"testq $0x04, %1 \n\t"
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"jz .L08LABEL%= \n\t"
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"vmovups (%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"vmovups (%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"addq $8 , %0 \n\t"
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"subq $4 , %1 \n\t"
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".L08LABEL%=: \n\t"
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"cmpq $0, %1 \n\t"
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"je .L08END%= \n\t"
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".align 16 \n\t"
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".L01LOOP%=: \n\t"
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"prefetcht0 192(%4,%0,4) \n\t"
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"vmovups (%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"prefetcht0 192(%2,%0,4) \n\t"
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"vmovups (%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"vmovups 32(%4,%0,4), %%ymm4 \n\t" // 4 complex values from a0
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"vmovups 32(%2,%0,4) , %%ymm6 \n\t" // 4 complex values from x
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"vpermilps $0xb1, %%ymm6, %%ymm7 \n\t" // exchange real and imap parts
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"vblendps $0x55, %%ymm6, %%ymm7, %%ymm0 \n\t" // only the real parts
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"vblendps $0x55, %%ymm7, %%ymm6, %%ymm1 \n\t" // only the imag parts
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"vfmadd231ps %%ymm4 , %%ymm0, %%ymm8 \n\t" // ar0*xr0,al0*xr0,ar1*xr1,al1*xr1
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"vfmadd231ps %%ymm4 , %%ymm1, %%ymm9 \n\t" // ar0*xl0,al0*xl0,ar1*xl1,al1*xl1
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"addq $16 , %0 \n\t"
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"subq $8 , %1 \n\t"
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"jnz .L01LOOP%= \n\t"
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".L08END%=: \n\t"
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"vbroadcastss (%5) , %%xmm0 \n\t" // value from alpha
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"vbroadcastss 4(%5) , %%xmm1 \n\t" // value from alpha
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#if ( !defined(CONJ) && !defined(XCONJ) ) || ( defined(CONJ) && defined(XCONJ) )
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"vpermilps $0xb1 , %%ymm9 , %%ymm9 \n\t"
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"vaddsubps %%ymm9 , %%ymm8, %%ymm8 \n\t"
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#else
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"vpermilps $0xb1 , %%ymm8 , %%ymm8 \n\t"
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"vaddsubps %%ymm8 , %%ymm9 , %%ymm8 \n\t"
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"vpermilps $0xb1 , %%ymm8 , %%ymm8 \n\t"
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#endif
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"vmovsd (%3), %%xmm4 \n\t" // read y
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"vextractf128 $1, %%ymm8 , %%xmm9 \n\t"
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"vaddps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vshufpd $0x1, %%xmm8 , %%xmm8 , %%xmm9 \n\t"
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"vaddps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vmulps %%xmm8 , %%xmm1 , %%xmm9 \n\t" // t_r * alpha_i , t_i * alpha_i
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"vmulps %%xmm8 , %%xmm0 , %%xmm8 \n\t" // t_r * alpha_r , t_i * alpha_r
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#if !defined(XCONJ)
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"vpermilps $0xb1 , %%xmm9 , %%xmm9 \n\t"
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"vaddsubps %%xmm9 , %%xmm8, %%xmm8 \n\t"
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#else
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"vpermilps $0xb1 , %%xmm8 , %%xmm8 \n\t"
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"vaddsubps %%xmm8 , %%xmm9 , %%xmm8 \n\t"
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"vpermilps $0xb1 , %%xmm8 , %%xmm8 \n\t"
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#endif
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"vaddps %%xmm8 , %%xmm4 , %%xmm8 \n\t"
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"vmovsd %%xmm8 , (%3) \n\t"
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"vzeroupper \n\t"
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:
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:
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"r" (i), // 0
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"r" (n), // 1
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"r" (x), // 2
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"r" (y), // 3
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"r" (ap), // 4
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"r" (alpha) // 5
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: "cc",
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"%xmm0", "%xmm1", "%xmm2", "%xmm3",
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"%xmm4", "%xmm5", "%xmm6", "%xmm7",
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"%xmm8", "%xmm9", "%xmm10", "%xmm11",
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"%xmm12", "%xmm13", "%xmm14", "%xmm15",
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"memory"
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);
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}
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