nb_kernel410_ia32_sse.intel_syntax.s
来自「最著名最快的分子模拟软件」· S 代码 · 共 2,051 行 · 第 1/4 页
S
2,051 行
addss xmm5, [esp + nb410_vctot] movss [esp + nb410_vctot], xmm5 ;# xmm6=(vcoul+fijC*r) subps xmm7, xmm6 movaps xmm6, xmm7 ;# update dvdasum addps xmm7, [esp + nb410_dvdasum] movaps [esp + nb410_dvdasum], xmm7 ;# update j atoms dvdaj addss xmm6, [esi + ebx*4] movss [esi + ebx*4], xmm6 ;# L-J movaps xmm4, xmm0 mulss xmm4, xmm0 ;# xmm4=rinvsq movaps xmm6, xmm4 mulss xmm6, xmm4 mulss xmm6, xmm4 ;# xmm6=rinvsix movaps xmm4, xmm6 mulss xmm4, xmm4 ;# xmm4=rinvtwelve mulss xmm6, [esp + nb410_c6] mulss xmm4, [esp + nb410_c12] movss xmm7, [esp + nb410_Vvdwtot] addss xmm7, xmm4 mulss xmm4, [esp + nb410_twelve] subss xmm7, xmm6 mulss xmm6, [esp + nb410_six] movss [esp + nb410_Vvdwtot], xmm7 subss xmm4, xmm6 mulss xmm4, xmm0 subss xmm4, xmm3 mulss xmm4, xmm0 movss xmm0, [esp + nb410_dx] movss xmm1, [esp + nb410_dy] movss xmm2, [esp + nb410_dz] mov edi, [ebp + nb410_faction] mulss xmm0, xmm4 mulss xmm1, xmm4 mulss xmm2, xmm4 ;# xmm0-xmm2 contains tx-tz (partial force) ;# now update f_i movss xmm3, [esp + nb410_fix] movss xmm4, [esp + nb410_fiy] movss xmm5, [esp + nb410_fiz] addss xmm3, xmm0 addss xmm4, xmm1 addss xmm5, xmm2 movss [esp + nb410_fix], xmm3 movss [esp + nb410_fiy], xmm4 movss [esp + nb410_fiz], xmm5 ;# update fj movss xmm3, [edi + eax*4] movss xmm4, [edi + eax*4 + 4] movss xmm5, [edi + eax*4 + 8] subss xmm3, xmm0 subss xmm4, xmm1 subss xmm5, xmm2 movss [edi + eax*4], xmm3 movss [edi + eax*4 + 4], xmm4 movss [edi + eax*4 + 8], xmm5 .nb410_updateouterdata: mov ecx, [esp + nb410_ii3] mov edi, [ebp + nb410_faction] mov esi, [ebp + nb410_fshift] mov edx, [esp + nb410_is3] ;# accumulate i forces in xmm0, xmm1, xmm2 movaps xmm0, [esp + nb410_fix] movaps xmm1, [esp + nb410_fiy] movaps xmm2, [esp + nb410_fiz] movhlps xmm3, xmm0 movhlps xmm4, xmm1 movhlps xmm5, xmm2 addps xmm0, xmm3 addps xmm1, xmm4 addps xmm2, xmm5 ;# sum is in 1/2 in xmm0-xmm2 movaps xmm3, xmm0 movaps xmm4, xmm1 movaps xmm5, xmm2 shufps xmm3, xmm3, 1 shufps xmm4, xmm4, 1 shufps xmm5, xmm5, 1 addss xmm0, xmm3 addss xmm1, xmm4 addss xmm2, xmm5 ;# xmm0-xmm2 has single force in pos0 ;# increment i force movss xmm3, [edi + ecx*4] movss xmm4, [edi + ecx*4 + 4] movss xmm5, [edi + ecx*4 + 8] addss xmm3, xmm0 addss xmm4, xmm1 addss xmm5, xmm2 movss [edi + ecx*4], xmm3 movss [edi + ecx*4 + 4], xmm4 movss [edi + ecx*4 + 8], xmm5 ;# increment fshift force movss xmm3, [esi + edx*4] movss xmm4, [esi + edx*4 + 4] movss xmm5, [esi + edx*4 + 8] addss xmm3, xmm0 addss xmm4, xmm1 addss xmm5, xmm2 movss [esi + edx*4], xmm3 movss [esi + edx*4 + 4], xmm4 movss [esi + edx*4 + 8], xmm5 ;# get n from stack mov esi, [esp + nb410_n] ;# get group index for i particle mov edx, [ebp + nb410_gid] ;# base of gid[] mov edx, [edx + esi*4] ;# ggid=gid[n] ;# accumulate total potential energy and update it movaps xmm7, [esp + nb410_vctot] ;# accumulate movhlps xmm6, xmm7 addps xmm7, xmm6 ;# pos 0-1 in xmm7 have the sum now movaps xmm6, xmm7 shufps xmm6, xmm6, 1 addss xmm7, xmm6 ;# add earlier value from mem mov eax, [ebp + nb410_Vc] addss xmm7, [eax + edx*4] ;# move back to mem movss [eax + edx*4], xmm7 ;# accumulate total lj energy and update it movaps xmm7, [esp + nb410_Vvdwtot] ;# accumulate movhlps xmm6, xmm7 addps xmm7, xmm6 ;# pos 0-1 in xmm7 have the sum now movaps xmm6, xmm7 shufps xmm6, xmm6, 1 addss xmm7, xmm6 ;# add earlier value from mem mov eax, [ebp + nb410_Vvdw] addss xmm7, [eax + edx*4] ;# move back to mem movss [eax + edx*4], xmm7 ;# accumulate dVda and update it movaps xmm7, [esp + nb410_dvdasum] ;# accumulate movhlps xmm6, xmm7 addps xmm7, xmm6 ;# pos 0-1 in xmm7 have the sum now movaps xmm6, xmm7 shufps xmm6, xmm6, 1 addss xmm7, xmm6 mov edx, [esp + nb410_ii] mov eax, [ebp + nb410_dvda] addss xmm7, [eax + edx*4] movss [eax + edx*4], xmm7 ;# finish if last mov ecx, [esp + nb410_nn1] ;# esi already loaded with n inc esi sub ecx, esi jecxz .nb410_outerend ;# not last, iterate outer loop once more! mov [esp + nb410_n], esi jmp .nb410_outer.nb410_outerend: ;# check if more outer neighborlists remain mov ecx, [esp + nb410_nri] ;# esi already loaded with n above sub ecx, esi jecxz .nb410_end ;# non-zero, do one more workunit jmp .nb410_threadloop.nb410_end: emms mov eax, [esp + nb410_nouter] mov ebx, [esp + nb410_ninner] mov ecx, [ebp + nb410_outeriter] mov edx, [ebp + nb410_inneriter] mov [ecx], eax mov [edx], ebx mov eax, [esp + nb410_salign] add esp, eax add esp, 504 pop edi pop esi pop edx pop ecx pop ebx pop eax leave ret.globl nb_kernel410nf_ia32_sse.globl _nb_kernel410nf_ia32_ssenb_kernel410nf_ia32_sse: _nb_kernel410nf_ia32_sse: .equiv nb410nf_p_nri, 8.equiv nb410nf_iinr, 12.equiv nb410nf_jindex, 16.equiv nb410nf_jjnr, 20.equiv nb410nf_shift, 24.equiv nb410nf_shiftvec, 28.equiv nb410nf_fshift, 32.equiv nb410nf_gid, 36.equiv nb410nf_pos, 40.equiv nb410nf_faction, 44.equiv nb410nf_charge, 48.equiv nb410nf_p_facel, 52.equiv nb410nf_argkrf, 56.equiv nb410nf_argcrf, 60.equiv nb410nf_Vc, 64.equiv nb410nf_type, 68.equiv nb410nf_p_ntype, 72.equiv nb410nf_vdwparam, 76.equiv nb410nf_Vvdw, 80.equiv nb410nf_p_tabscale, 84.equiv nb410nf_VFtab, 88.equiv nb410nf_invsqrta, 92.equiv nb410nf_dvda, 96.equiv nb410nf_p_gbtabscale, 100.equiv nb410nf_GBtab, 104.equiv nb410nf_p_nthreads, 108.equiv nb410nf_count, 112.equiv nb410nf_mtx, 116.equiv nb410nf_outeriter, 120.equiv nb410nf_inneriter, 124.equiv nb410nf_work, 128 ;# stack offsets for local variables ;# bottom of stack is cache-aligned for sse use .equiv nb410nf_ix, 0.equiv nb410nf_iy, 16.equiv nb410nf_iz, 32.equiv nb410nf_iq, 48.equiv nb410nf_gbtsc, 64.equiv nb410nf_qq, 80.equiv nb410nf_c6, 96.equiv nb410nf_c12, 112.equiv nb410nf_vctot, 128.equiv nb410nf_Vvdwtot, 144.equiv nb410nf_half, 160.equiv nb410nf_three, 176.equiv nb410nf_isai, 192.equiv nb410nf_isaprod, 208.equiv nb410nf_gbscale, 224.equiv nb410nf_is3, 240.equiv nb410nf_ii3, 244.equiv nb410nf_ntia, 248.equiv nb410nf_innerjjnr, 252.equiv nb410nf_innerk, 256.equiv nb410nf_n, 260.equiv nb410nf_nn1, 264.equiv nb410nf_nri, 268.equiv nb410nf_facel, 272.equiv nb410nf_ntype, 276.equiv nb410nf_nouter, 280.equiv nb410nf_ninner, 284.equiv nb410nf_salign, 288 push ebp mov ebp,esp push eax push ebx push ecx push edx push esi push edi sub esp, 292 ;# local stack space mov eax, esp and eax, 0xf sub esp, eax mov [esp + nb410nf_salign], eax emms ;# Move args passed by reference to stack mov ecx, [ebp + nb410nf_p_nri] mov esi, [ebp + nb410nf_p_facel] mov edi, [ebp + nb410nf_p_ntype] mov ecx, [ecx] mov esi, [esi] mov edi, [edi] mov [esp + nb410nf_nri], ecx mov [esp + nb410nf_facel], esi mov [esp + nb410nf_ntype], edi ;# zero iteration counters mov eax, 0 mov [esp + nb410nf_nouter], eax mov [esp + nb410nf_ninner], eax mov eax, [ebp + nb410nf_p_gbtabscale] movss xmm5, [eax] shufps xmm5, xmm5, 0 movaps [esp + nb410nf_gbtsc], xmm5 ;# create constant floating-point factors on stack mov eax, 0x3f000000 ;# constant 0.5 in IEEE (hex) mov [esp + nb410nf_half], eax movss xmm1, [esp + nb410nf_half] shufps xmm1, xmm1, 0 ;# splat to all elements movaps xmm2, xmm1 addps xmm2, xmm2 ;# constant 1.0 movaps xmm3, xmm2 addps xmm2, xmm2 ;# constant 2.0 addps xmm3, xmm2 ;# constant 3.0 movaps [esp + nb410nf_half], xmm1 movaps [esp + nb410nf_three], xmm3.nb410nf_threadloop: mov esi, [ebp + nb410nf_count] ;# pointer to sync counter mov eax, [esi].nb410nf_spinlock: mov ebx, eax ;# ebx=*count=nn0 add ebx, 1 ;# ebx=nn1=nn0+10 lock cmpxchg [esi], ebx ;# write nn1 to *counter, ;# if it hasnt changed. ;# or reread *counter to eax. pause ;# -> better p4 performance jnz .nb410nf_spinlock ;# if(nn1>nri) nn1=nri mov ecx, [esp + nb410nf_nri] mov edx, ecx sub ecx, ebx cmovle ebx, edx ;# if(nn1>nri) nn1=nri ;# Cleared the spinlock if we got here. ;# eax contains nn0, ebx contains nn1. mov [esp + nb410nf_n], eax mov [esp + nb410nf_nn1], ebx sub ebx, eax ;# calc number of outer lists mov esi, eax ;# copy n to esi jg .nb410nf_outerstart jmp .nb410nf_end.nb410nf_outerstart: ;# ebx contains number of outer iterations add ebx, [esp + nb410nf_nouter] mov [esp + nb410nf_nouter], ebx.nb410nf_outer: mov eax, [ebp + nb410nf_shift] ;# eax = pointer into shift[] mov ebx, [eax+esi*4] ;# ebx=shift[n] lea ebx, [ebx + ebx*2] ;# ebx=3*is mov [esp + nb410nf_is3],ebx ;# store is3 mov eax, [ebp + nb410nf_shiftvec] ;# eax = base of shiftvec[] movss xmm0, [eax + ebx*4] movss xmm1, [eax + ebx*4 + 4] movss xmm2, [eax + ebx*4 + 8] mov ecx, [ebp + nb410nf_iinr] ;# ecx = pointer into iinr[] mov ebx, [ecx + esi*4] ;# ebx =ii mov edx, [ebp + nb410nf_charge] movss xmm3, [edx + ebx*4] mulss xmm3, [esp + nb410nf_facel] shufps xmm3, xmm3, 0 mov edx, [ebp + nb410nf_invsqrta] ;# load invsqrta[ii] movss xmm4, [edx + ebx*4] shufps xmm4, xmm4, 0 mov edx, [ebp + nb410nf_type] mov edx, [edx + ebx*4] imul edx, [esp + nb410nf_ntype] shl edx, 1 mov [esp + nb410nf_ntia], edx lea ebx, [ebx + ebx*2] ;# ebx = 3*ii=ii3 mov eax, [ebp + nb410nf_pos] ;# eax = base of pos[] addss xmm0, [eax + ebx*4] addss xmm1, [eax + ebx*4 + 4] addss xmm2, [eax + ebx*4 + 8] movaps [esp + nb410nf_iq], xmm3 movaps [esp + nb410nf_isai], xmm4 shufps xmm0, xmm0, 0 shufps xmm1, xmm1, 0 shufps xmm2, xmm2, 0 movaps [esp + nb410nf_ix], xmm0 movaps [esp + nb410nf_iy], xmm1 movaps [esp + nb410nf_iz], xmm2 mov [esp + nb410nf_ii3], ebx ;# clear vctot xorps xmm4, xmm4 movaps [esp + nb410nf_vctot], xmm4 movaps [esp + nb410nf_Vvdwtot], xmm4 mov eax, [ebp + nb410nf_jindex] mov ecx, [eax + esi*4] ;# jindex[n] mov edx, [eax + esi*4 + 4] ;# jindex[n+1] sub edx, ecx ;# number of innerloop atoms mov esi, [ebp + nb410nf_pos] mov edi, [ebp + nb410nf_faction] mov eax, [ebp + nb410nf_jjnr] shl ecx, 2 add eax, ecx mov [esp + nb410nf_innerjjnr], eax ;# pointer to jjnr[nj0] mov ecx, edx sub edx, 4 add ecx, [esp + nb410nf_ninner] mov [esp + nb410nf_ninner], ecx add edx, 0 mov [esp + nb410nf_innerk], edx ;# number of innerloop atoms jge .nb410nf_unroll_loop jmp .nb410nf_finish_inner.nb410nf_unroll_loop: ;# quad-unroll innerloop here mov edx, [esp + nb410nf_innerjjnr] ;# pointer to jjnr[k] mov eax, [edx] mov ebx, [edx + 4] mov ecx, [edx + 8] mov edx, [edx + 12] ;# eax-edx=jnr1-4 add dword ptr [esp + nb410nf_innerjjnr], 16 ;# advance pointer (unrolled 4) ;# load isa2 mov esi, [ebp + nb410nf_invsqrta] movss xmm3, [esi + eax*4] movss xmm4, [esi + ecx*4] movss xmm6, [esi + ebx*4] movss xmm7, [esi + edx*4] movaps xmm2, [esp + nb410nf_isai] shufps xmm3, xmm6, 0 shufps xmm4, xmm7, 0 shufps xmm3, xmm4, 136 ;# constant 10001000 ;# all charges in xmm3 mulps xmm2, xmm3 movaps [esp + nb410nf_isaprod], xmm2 movaps xmm1, xmm2 mulps xmm1, [esp + nb410nf_gbtsc] movaps [esp + nb410nf_gbscale], xmm1 mov esi, [ebp + nb410nf_charge] ;# base of charge[] movss xmm3, [esi + eax*4] movss xmm4, [esi + ecx*4] movss xmm6, [esi + ebx*4] movss xmm7, [esi + edx*4] mulps xmm2, [esp + nb410nf_iq] shufps xmm3, xmm6, 0 shufps xmm4, xmm7, 0 shufps xmm3, xmm4, 136 ;# constant 10001000 ;# all charges in xmm3 mulps xmm3, xmm2 movaps [esp + nb410nf_qq], xmm3 movd mm0, eax movd mm1, ebx movd mm2, ecx movd mm3, edx mov esi, [ebp + nb410nf_type] mov eax, [esi + eax*4] mov ebx, [esi + ebx*4] mov ecx, [esi + ecx*4] mov edx, [esi + edx*4] mov esi, [ebp + nb410nf_vdwparam] shl eax, 1 shl ebx, 1 shl ecx, 1 shl edx, 1 mov edi, [esp + nb410nf_ntia] add eax, edi add ebx, edi add ecx, edi add edx, edi movlps xmm6, [esi + eax*4] movlps xmm7, [esi + ecx*4] movhps xmm6, [esi + ebx*4] movhps xmm7, [esi + edx*4] movaps xmm4, xmm6 shufps xmm4, xmm7, 136 ;# constant 10001000 shufps xmm6, xmm7, 221 ;# constant 11011101 movd eax, mm0 movd ebx, mm1 movd ecx, mm2 movd edx, mm3 movaps [esp + nb410nf_c6], xmm4 movaps [esp + nb410nf_c12], xmm6 mov esi, [ebp + nb410nf_pos] ;# base of pos[]
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