nb_kernel200_ia32_sse.s
来自「最著名最快的分子模拟软件」· S 代码 · 共 1,279 行 · 第 1/3 页
S
1,279 行
shufps $12,%xmm6,%xmm3 ## constant 00001100 shufps $88,%xmm3,%xmm3 ## constant 01011000 ;# xmm3(0,1) has the charges movl nb200_pos(%ebp),%edi leal (%eax,%eax,2),%eax leal (%ebx,%ebx,2),%ebx ## move coordinates to xmm0-xmm2 movlps (%edi,%eax,4),%xmm1 movss 8(%edi,%eax,4),%xmm2 movhps (%edi,%ebx,4),%xmm1 movss 8(%edi,%ebx,4),%xmm0 mulps nb200_iq(%esp),%xmm3 xorps %xmm7,%xmm7 movlhps %xmm7,%xmm3 shufps $0,%xmm0,%xmm2 movaps %xmm1,%xmm0 shufps $136,%xmm2,%xmm2 ## constant 10001000 shufps $136,%xmm0,%xmm0 ## constant 10001000 shufps $221,%xmm1,%xmm1 ## constant 11011101 movl nb200_faction(%ebp),%edi ## move ix-iz to xmm4-xmm6 movaps nb200_ix(%esp),%xmm4 movaps nb200_iy(%esp),%xmm5 movaps nb200_iz(%esp),%xmm6 ## calc dr subps %xmm0,%xmm4 subps %xmm1,%xmm5 subps %xmm2,%xmm6 ## store dr movaps %xmm4,nb200_dx(%esp) movaps %xmm5,nb200_dy(%esp) movaps %xmm6,nb200_dz(%esp) ## square it mulps %xmm4,%xmm4 mulps %xmm5,%xmm5 mulps %xmm6,%xmm6 addps %xmm5,%xmm4 addps %xmm6,%xmm4 ## rsq in xmm4 movaps nb200_krf(%esp),%xmm7 rsqrtps %xmm4,%xmm5 ## lookup seed in xmm5 movaps %xmm5,%xmm2 mulps %xmm5,%xmm5 movaps nb200_three(%esp),%xmm1 mulps %xmm4,%xmm5 ## rsq*lu*lu movaps nb200_half(%esp),%xmm0 mulps %xmm4,%xmm7 ## xmm7=krsq subps %xmm5,%xmm1 ## constant 30-rsq*lu*lu mulps %xmm2,%xmm1 mulps %xmm1,%xmm0 ## xmm0=rinv movaps %xmm0,%xmm4 mulps %xmm4,%xmm4 ## xmm4=rinvsq movaps %xmm0,%xmm6 addps %xmm7,%xmm6 ## xmm6=rinv+ krsq subps nb200_crf(%esp),%xmm6 ## xmm6=rinv+ krsq-crf mulps %xmm3,%xmm6 ## xmm6=vcoul=qq*(rinv+ krsq-crf) mulps nb200_two(%esp),%xmm7 subps %xmm7,%xmm0 mulps %xmm0,%xmm3 mulps %xmm3,%xmm4 ## xmm4=total fscal addps nb200_vctot(%esp),%xmm6 movaps nb200_dx(%esp),%xmm0 movaps nb200_dy(%esp),%xmm1 movaps nb200_dz(%esp),%xmm2 movaps %xmm6,nb200_vctot(%esp) mulps %xmm4,%xmm0 mulps %xmm4,%xmm1 mulps %xmm4,%xmm2 ## xmm0-xmm2 contains tx-tz (partial force) ## now update f_i movaps nb200_fix(%esp),%xmm3 movaps nb200_fiy(%esp),%xmm4 movaps nb200_fiz(%esp),%xmm5 addps %xmm0,%xmm3 addps %xmm1,%xmm4 addps %xmm2,%xmm5 movaps %xmm3,nb200_fix(%esp) movaps %xmm4,nb200_fiy(%esp) movaps %xmm5,nb200_fiz(%esp) ## update the fj's movss (%edi,%eax,4),%xmm3 movss 4(%edi,%eax,4),%xmm4 movss 8(%edi,%eax,4),%xmm5 subss %xmm0,%xmm3 subss %xmm1,%xmm4 subss %xmm2,%xmm5 movss %xmm3,(%edi,%eax,4) movss %xmm4,4(%edi,%eax,4) movss %xmm5,8(%edi,%eax,4) shufps $225,%xmm0,%xmm0 ## constant 11100001 shufps $225,%xmm1,%xmm1 ## constant 11100001 shufps $225,%xmm2,%xmm2 ## constant 11100001 movss (%edi,%ebx,4),%xmm3 movss 4(%edi,%ebx,4),%xmm4 movss 8(%edi,%ebx,4),%xmm5 subss %xmm0,%xmm3 subss %xmm1,%xmm4 subss %xmm2,%xmm5 movss %xmm3,(%edi,%ebx,4) movss %xmm4,4(%edi,%ebx,4) movss %xmm5,8(%edi,%ebx,4)_nb_kernel200_ia32_sse.nb200_checksingle: movl nb200_innerk(%esp),%edx andl $1,%edx jnz _nb_kernel200_ia32_sse.nb200_dosingle jmp _nb_kernel200_ia32_sse.nb200_updateouterdata_nb_kernel200_ia32_sse.nb200_dosingle: movl nb200_charge(%ebp),%esi movl nb200_pos(%ebp),%edi movl nb200_innerjjnr(%esp),%ecx xorps %xmm3,%xmm3 movl (%ecx),%eax movss (%esi,%eax,4),%xmm3 ## xmm3(0) has the charge leal (%eax,%eax,2),%eax ## move coordinates to xmm0-xmm2 movss (%edi,%eax,4),%xmm0 movss 4(%edi,%eax,4),%xmm1 movss 8(%edi,%eax,4),%xmm2 mulps nb200_iq(%esp),%xmm3 xorps %xmm7,%xmm7 movaps nb200_ix(%esp),%xmm4 movaps nb200_iy(%esp),%xmm5 movaps nb200_iz(%esp),%xmm6 ## calc dr subps %xmm0,%xmm4 subps %xmm1,%xmm5 subps %xmm2,%xmm6 ## store dr movaps %xmm4,nb200_dx(%esp) movaps %xmm5,nb200_dy(%esp) movaps %xmm6,nb200_dz(%esp) ## square it mulps %xmm4,%xmm4 mulps %xmm5,%xmm5 mulps %xmm6,%xmm6 addps %xmm5,%xmm4 addps %xmm6,%xmm4 ## rsq in xmm4 movaps nb200_krf(%esp),%xmm7 rsqrtps %xmm4,%xmm5 ## lookup seed in xmm5 movaps %xmm5,%xmm2 mulps %xmm5,%xmm5 movaps nb200_three(%esp),%xmm1 mulps %xmm4,%xmm5 ## rsq*lu*lu movaps nb200_half(%esp),%xmm0 mulps %xmm4,%xmm7 ## xmm7=krsq subps %xmm5,%xmm1 ## constant 30-rsq*lu*lu mulps %xmm2,%xmm1 mulps %xmm1,%xmm0 ## xmm0=rinv movaps %xmm0,%xmm4 mulps %xmm4,%xmm4 ## xmm4=rinvsq movaps %xmm0,%xmm6 addps %xmm7,%xmm6 ## xmm6=rinv+ krsq subps nb200_crf(%esp),%xmm6 ## xmm6=rinv+ krsq-crf mulps %xmm3,%xmm6 ## xmm6=vcoul mulps nb200_two(%esp),%xmm7 subps %xmm7,%xmm0 mulps %xmm0,%xmm3 mulps %xmm3,%xmm4 ## xmm4=total fscal addss nb200_vctot(%esp),%xmm6 movl nb200_faction(%ebp),%edi movaps nb200_dx(%esp),%xmm0 movaps nb200_dy(%esp),%xmm1 movaps nb200_dz(%esp),%xmm2 movss %xmm6,nb200_vctot(%esp) mulps %xmm4,%xmm0 mulps %xmm4,%xmm1 mulps %xmm4,%xmm2 ## xmm0-xmm2 contains tx-tz (partial force) ## now update f_i movaps nb200_fix(%esp),%xmm3 movaps nb200_fiy(%esp),%xmm4 movaps nb200_fiz(%esp),%xmm5 addss %xmm0,%xmm3 addss %xmm1,%xmm4 addss %xmm2,%xmm5 movaps %xmm3,nb200_fix(%esp) movaps %xmm4,nb200_fiy(%esp) movaps %xmm5,nb200_fiz(%esp) ## update fj movss (%edi,%eax,4),%xmm3 movss 4(%edi,%eax,4),%xmm4 movss 8(%edi,%eax,4),%xmm5 subss %xmm0,%xmm3 subss %xmm1,%xmm4 subss %xmm2,%xmm5 movss %xmm3,(%edi,%eax,4) movss %xmm4,4(%edi,%eax,4) movss %xmm5,8(%edi,%eax,4)_nb_kernel200_ia32_sse.nb200_updateouterdata: movl nb200_ii3(%esp),%ecx movl nb200_faction(%ebp),%edi movl nb200_fshift(%ebp),%esi movl nb200_is3(%esp),%edx ## accumulate i forces in xmm0, xmm1, xmm2 movaps nb200_fix(%esp),%xmm0 movaps nb200_fiy(%esp),%xmm1 movaps nb200_fiz(%esp),%xmm2 movhlps %xmm0,%xmm3 movhlps %xmm1,%xmm4 movhlps %xmm2,%xmm5 addps %xmm3,%xmm0 addps %xmm4,%xmm1 addps %xmm5,%xmm2 ## sum is in 1/2 in xmm0-xmm2 movaps %xmm0,%xmm3 movaps %xmm1,%xmm4 movaps %xmm2,%xmm5 shufps $1,%xmm3,%xmm3 shufps $1,%xmm4,%xmm4 shufps $1,%xmm5,%xmm5 addss %xmm3,%xmm0 addss %xmm4,%xmm1 addss %xmm5,%xmm2 ## xmm0-xmm2 has single force in pos0 ## increment i force movss (%edi,%ecx,4),%xmm3 movss 4(%edi,%ecx,4),%xmm4 movss 8(%edi,%ecx,4),%xmm5 addss %xmm0,%xmm3 addss %xmm1,%xmm4 addss %xmm2,%xmm5 movss %xmm3,(%edi,%ecx,4) movss %xmm4,4(%edi,%ecx,4) movss %xmm5,8(%edi,%ecx,4) ## increment fshift force movss (%esi,%edx,4),%xmm3 movss 4(%esi,%edx,4),%xmm4 movss 8(%esi,%edx,4),%xmm5 addss %xmm0,%xmm3 addss %xmm1,%xmm4 addss %xmm2,%xmm5 movss %xmm3,(%esi,%edx,4) movss %xmm4,4(%esi,%edx,4) movss %xmm5,8(%esi,%edx,4) ## get n from stack movl nb200_n(%esp),%esi ## get group index for i particle movl nb200_gid(%ebp),%edx ## base of gid[] movl (%edx,%esi,4),%edx ## ggid=gid[n] ## accumulate total potential energy and update it movaps nb200_vctot(%esp),%xmm7 ## accumulate movhlps %xmm7,%xmm6 addps %xmm6,%xmm7 ## pos 0-1 in xmm7 have the sum now movaps %xmm7,%xmm6 shufps $1,%xmm6,%xmm6 addss %xmm6,%xmm7 ## add earlier value from mem movl nb200_Vc(%ebp),%eax addss (%eax,%edx,4),%xmm7 ## move back to mem movss %xmm7,(%eax,%edx,4) ## finish if last movl nb200_nn1(%esp),%ecx ## esi already loaded with n incl %esi subl %esi,%ecx jz _nb_kernel200_ia32_sse.nb200_outerend ## not last, iterate outer loop once more! movl %esi,nb200_n(%esp) jmp _nb_kernel200_ia32_sse.nb200_outer_nb_kernel200_ia32_sse.nb200_outerend: ## check if more outer neighborlists remain movl nb200_nri(%esp),%ecx ## esi already loaded with n above subl %esi,%ecx jz _nb_kernel200_ia32_sse.nb200_end ## non-zero, do one more workunit jmp _nb_kernel200_ia32_sse.nb200_threadloop_nb_kernel200_ia32_sse.nb200_end: emms movl nb200_nouter(%esp),%eax movl nb200_ninner(%esp),%ebx movl nb200_outeriter(%ebp),%ecx movl nb200_inneriter(%ebp),%edx movl %eax,(%ecx) movl %ebx,(%edx) movl nb200_salign(%esp),%eax addl %eax,%esp addl $300,%esp popl %edi popl %esi popl %edx popl %ecx popl %ebx popl %eax leave ret.globl nb_kernel200nf_ia32_sse.globl _nb_kernel200nf_ia32_ssenb_kernel200nf_ia32_sse: _nb_kernel200nf_ia32_sse: .set nb200nf_p_nri, 8.set nb200nf_iinr, 12.set nb200nf_jindex, 16.set nb200nf_jjnr, 20.set nb200nf_shift, 24.set nb200nf_shiftvec, 28.set nb200nf_fshift, 32.set nb200nf_gid, 36.set nb200nf_pos, 40.set nb200nf_faction, 44.set nb200nf_charge, 48.set nb200nf_p_facel, 52.set nb200nf_argkrf, 56.set nb200nf_argcrf, 60.set nb200nf_Vc, 64.set nb200nf_type, 68.set nb200nf_p_ntype, 72.set nb200nf_vdwparam, 76.set nb200nf_Vvdw, 80.set nb200nf_p_tabscale, 84.set nb200nf_VFtab, 88.set nb200nf_invsqrta, 92.set nb200nf_dvda, 96.set nb200nf_p_gbtabscale, 100.set nb200nf_GBtab, 104.set nb200nf_p_nthreads, 108.set nb200nf_count, 112.set nb200nf_mtx, 116.set nb200nf_outeriter, 120.set nb200nf_inneriter, 124.set nb200nf_work, 128 ## stack offsets for local variables ## bottom of stack is cache-aligned for sse use .set nb200nf_ix, 0.set nb200nf_iy, 16.set nb200nf_iz, 32.set nb200nf_iq, 48.set nb200nf_vctot, 64.set nb200nf_half, 80.set nb200nf_three, 96.set nb200nf_krf, 112.set nb200nf_crf, 128.set nb200nf_is3, 144.set nb200nf_ii3, 148.set nb200nf_innerjjnr, 152.set nb200nf_innerk, 156.set nb200nf_n, 160.set nb200nf_nn1, 164.set nb200nf_nri, 168.set nb200nf_facel, 172.set nb200nf_nouter, 176.set nb200nf_ninner, 180.set nb200nf_salign, 184 pushl %ebp movl %esp,%ebp pushl %eax pushl %ebx pushl %ecx pushl %edx pushl %esi pushl %edi subl $188,%esp ## local stack space movl %esp,%eax andl $0xf,%eax subl %eax,%esp movl %eax,nb200nf_salign(%esp) emms ## Move args passed by reference to stack movl nb200nf_p_nri(%ebp),%ecx movl nb200nf_p_facel(%ebp),%esi movl (%ecx),%ecx movl (%esi),%esi movl %ecx,nb200nf_nri(%esp) movl %esi,nb200nf_facel(%esp)⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?