nb_kernel310_x86_64_sse.s
来自「最著名最快的分子模拟软件」· S 代码 · 共 1,781 行 · 第 1/4 页
S
1,781 行
movaps nb310nf_three(%rsp),%xmm1 mulps %xmm4,%xmm5 ## rsq*lu*lu movaps nb310nf_half(%rsp),%xmm0 subps %xmm5,%xmm1 ## 30-rsq*lu*lu mulps %xmm2,%xmm1 mulps %xmm1,%xmm0 ## xmm0=rinv mulps %xmm0,%xmm4 ## xmm4=r mulps nb310nf_tsc(%rsp),%xmm4 movhlps %xmm4,%xmm5 cvttps2pi %xmm4,%mm6 cvttps2pi %xmm5,%mm7 ## mm6/mm7 contain lu indices cvtpi2ps %mm6,%xmm6 cvtpi2ps %mm7,%xmm5 movlhps %xmm5,%xmm6 subps %xmm6,%xmm4 movaps %xmm4,%xmm1 ## xmm1=eps movaps %xmm1,%xmm2 mulps %xmm2,%xmm2 ## xmm2=eps2 pslld $2,%mm6 pslld $2,%mm7 movd %eax,%mm0 movd %ebx,%mm1 movd %ecx,%mm2 movd %edx,%mm3 movq nb310nf_VFtab(%rbp),%rsi movd %mm6,%eax psrlq $32,%mm6 movd %mm7,%ecx psrlq $32,%mm7 movd %mm6,%ebx movd %mm7,%edx movlps (%rsi,%rax,4),%xmm5 movlps (%rsi,%rcx,4),%xmm7 movhps (%rsi,%rbx,4),%xmm5 movhps (%rsi,%rdx,4),%xmm7 ## got half coulomb table movaps %xmm5,%xmm4 shufps $136,%xmm7,%xmm4 ## 10001000 shufps $221,%xmm7,%xmm5 ## 11011101 movlps 8(%rsi,%rax,4),%xmm7 movlps 8(%rsi,%rcx,4),%xmm3 movhps 8(%rsi,%rbx,4),%xmm7 movhps 8(%rsi,%rdx,4),%xmm3 ## other half of coulomb table movaps %xmm7,%xmm6 shufps $136,%xmm3,%xmm6 ## 10001000 shufps $221,%xmm3,%xmm7 ## 11011101 ## coulomb table ready, in xmm4-xmm7 mulps %xmm1,%xmm6 ## xmm6=Geps mulps %xmm2,%xmm7 ## xmm7=Heps2 addps %xmm6,%xmm5 addps %xmm7,%xmm5 ## xmm5=Fp movaps nb310nf_qq(%rsp),%xmm3 mulps %xmm1,%xmm5 ## xmm5=eps*Fp addps %xmm4,%xmm5 ## xmm5=VV mulps %xmm3,%xmm5 ## vcoul=qq*VV ## L-J movaps %xmm0,%xmm4 mulps %xmm0,%xmm4 ## xmm4=rinvsq ## at this point mm5 contains vcoul ## increment vcoul - then we can get rid of mm5 ## update vctot addps nb310nf_vctot(%rsp),%xmm5 movaps %xmm4,%xmm6 mulps %xmm4,%xmm6 movaps %xmm5,nb310nf_vctot(%rsp) mulps %xmm4,%xmm6 ## xmm6=rinvsix movaps %xmm6,%xmm4 mulps %xmm4,%xmm4 ## xmm4=rinvtwelve mulps nb310nf_c6(%rsp),%xmm6 mulps nb310nf_c12(%rsp),%xmm4 movaps nb310nf_Vvdwtot(%rsp),%xmm7 addps %xmm4,%xmm7 subps %xmm6,%xmm7 movaps %xmm7,nb310nf_Vvdwtot(%rsp) ## should we do one more iteration? subl $4,nb310nf_innerk(%rsp) jl _nb_kernel310nf_x86_64_sse.nb310nf_finish_inner jmp _nb_kernel310nf_x86_64_sse.nb310nf_unroll_loop_nb_kernel310nf_x86_64_sse.nb310nf_finish_inner: ## check if at least two particles remain addl $4,nb310nf_innerk(%rsp) movl nb310nf_innerk(%rsp),%edx andl $2,%edx jnz _nb_kernel310nf_x86_64_sse.nb310nf_dopair jmp _nb_kernel310nf_x86_64_sse.nb310nf_checksingle_nb_kernel310nf_x86_64_sse.nb310nf_dopair: movq nb310nf_charge(%rbp),%rsi movq nb310nf_innerjjnr(%rsp),%rcx movl (%rcx),%eax movl 4(%rcx),%ebx addq $8,nb310nf_innerjjnr(%rsp) xorps %xmm7,%xmm7 movss (%rsi,%rax,4),%xmm3 movss (%rsi,%rbx,4),%xmm6 shufps $0,%xmm6,%xmm3 shufps $8,%xmm3,%xmm3 ## 00001000 ;# xmm3(0,1) has the charges mulps nb310nf_iq(%rsp),%xmm3 movlhps %xmm7,%xmm3 movaps %xmm3,nb310nf_qq(%rsp) movq nb310nf_type(%rbp),%rsi movl %eax,%ecx movl %ebx,%edx movl (%rsi,%rcx,4),%ecx movl (%rsi,%rdx,4),%edx movq nb310nf_vdwparam(%rbp),%rsi shll %ecx shll %edx movl nb310nf_ntia(%rsp),%edi addl %edi,%ecx addl %edi,%edx movlps (%rsi,%rcx,4),%xmm6 movhps (%rsi,%rdx,4),%xmm6 movq nb310nf_pos(%rbp),%rdi movaps %xmm6,%xmm4 shufps $8,%xmm4,%xmm4 ## 00001000 shufps $13,%xmm6,%xmm6 ## 00001101 movlhps %xmm7,%xmm4 movlhps %xmm7,%xmm6 movaps %xmm4,nb310nf_c6(%rsp) movaps %xmm6,nb310nf_c12(%rsp) lea (%rax,%rax,2),%rax lea (%rbx,%rbx,2),%rbx ## move coordinates to xmm0-xmm2 movlps (%rdi,%rax,4),%xmm1 movss 8(%rdi,%rax,4),%xmm2 movhps (%rdi,%rbx,4),%xmm1 movss 8(%rdi,%rbx,4),%xmm0 movlhps %xmm7,%xmm3 shufps $0,%xmm0,%xmm2 movaps %xmm1,%xmm0 shufps $136,%xmm2,%xmm2 ## 10001000 shufps $136,%xmm0,%xmm0 ## 10001000 shufps $221,%xmm1,%xmm1 ## 11011101 ## move ix-iz to xmm4-xmm6 xorps %xmm7,%xmm7 movaps nb310nf_ix(%rsp),%xmm4 movaps nb310nf_iy(%rsp),%xmm5 movaps nb310nf_iz(%rsp),%xmm6 ## calc dr subps %xmm0,%xmm4 subps %xmm1,%xmm5 subps %xmm2,%xmm6 ## square it mulps %xmm4,%xmm4 mulps %xmm5,%xmm5 mulps %xmm6,%xmm6 addps %xmm5,%xmm4 addps %xmm6,%xmm4 ## rsq in xmm4 rsqrtps %xmm4,%xmm5 ## lookup seed in xmm5 movaps %xmm5,%xmm2 mulps %xmm5,%xmm5 movaps nb310nf_three(%rsp),%xmm1 mulps %xmm4,%xmm5 ## rsq*lu*lu movaps nb310nf_half(%rsp),%xmm0 subps %xmm5,%xmm1 ## 30-rsq*lu*lu mulps %xmm2,%xmm1 mulps %xmm1,%xmm0 ## xmm0=rinv mulps %xmm0,%xmm4 ## xmm4=r mulps nb310nf_tsc(%rsp),%xmm4 cvttps2pi %xmm4,%mm6 ## mm6 contain lu indices cvtpi2ps %mm6,%xmm6 subps %xmm6,%xmm4 movaps %xmm4,%xmm1 ## xmm1=eps movaps %xmm1,%xmm2 mulps %xmm2,%xmm2 ## xmm2=eps2 pslld $2,%mm6 movq nb310nf_VFtab(%rbp),%rsi movd %mm6,%ecx psrlq $32,%mm6 movd %mm6,%edx movlps (%rsi,%rcx,4),%xmm5 movhps (%rsi,%rdx,4),%xmm5 ## got half coulomb table movaps %xmm5,%xmm4 shufps $136,%xmm4,%xmm4 ## 10001000 shufps $221,%xmm7,%xmm5 ## 11011101 movlps 8(%rsi,%rcx,4),%xmm7 movhps 8(%rsi,%rdx,4),%xmm7 movaps %xmm7,%xmm6 shufps $136,%xmm6,%xmm6 ## 10001000 shufps $221,%xmm7,%xmm7 ## 11011101 ## table ready in xmm4-xmm7 mulps %xmm1,%xmm6 ## xmm6=Geps mulps %xmm2,%xmm7 ## xmm7=Heps2 addps %xmm6,%xmm5 addps %xmm7,%xmm5 ## xmm5=Fp movaps nb310nf_qq(%rsp),%xmm3 mulps %xmm1,%xmm5 ## xmm5=eps*Fp addps %xmm4,%xmm5 ## xmm5=VV mulps %xmm3,%xmm5 ## vcoul=qq*VV ## L-J movaps %xmm0,%xmm4 mulps %xmm0,%xmm4 ## xmm4=rinvsq ## at this point mm5 contains vcoul ## increment vcoul - then we can get rid of mm5 ## update vctot addps nb310nf_vctot(%rsp),%xmm5 movaps %xmm4,%xmm6 mulps %xmm4,%xmm6 movaps %xmm5,nb310nf_vctot(%rsp) mulps %xmm4,%xmm6 ## xmm6=rinvsix movaps %xmm6,%xmm4 mulps %xmm4,%xmm4 ## xmm4=rinvtwelve mulps nb310nf_c6(%rsp),%xmm6 mulps nb310nf_c12(%rsp),%xmm4 movaps nb310nf_Vvdwtot(%rsp),%xmm7 addps %xmm4,%xmm7 subps %xmm6,%xmm7 movaps %xmm7,nb310nf_Vvdwtot(%rsp)_nb_kernel310nf_x86_64_sse.nb310nf_checksingle: movl nb310nf_innerk(%rsp),%edx andl $1,%edx jnz _nb_kernel310nf_x86_64_sse.nb310nf_dosingle jmp _nb_kernel310nf_x86_64_sse.nb310nf_updateouterdata_nb_kernel310nf_x86_64_sse.nb310nf_dosingle: movq nb310nf_charge(%rbp),%rsi movq nb310nf_pos(%rbp),%rdi movq nb310nf_innerjjnr(%rsp),%rcx movl (%rcx),%eax xorps %xmm6,%xmm6 movss (%rsi,%rax,4),%xmm6 ## xmm6(0) has the charge mulps nb310nf_iq(%rsp),%xmm6 movaps %xmm6,nb310nf_qq(%rsp) movq nb310nf_type(%rbp),%rsi movl %eax,%ecx movl (%rsi,%rcx,4),%ecx movq nb310nf_vdwparam(%rbp),%rsi shll %ecx addl nb310nf_ntia(%rsp),%ecx movlps (%rsi,%rcx,4),%xmm6 movaps %xmm6,%xmm4 shufps $252,%xmm4,%xmm4 ## 11111100 shufps $253,%xmm6,%xmm6 ## 11111101 movaps %xmm4,nb310nf_c6(%rsp) movaps %xmm6,nb310nf_c12(%rsp) lea (%rax,%rax,2),%rax ## move coordinates to xmm0-xmm2 movss (%rdi,%rax,4),%xmm0 movss 4(%rdi,%rax,4),%xmm1 movss 8(%rdi,%rax,4),%xmm2 movaps nb310nf_ix(%rsp),%xmm4 movaps nb310nf_iy(%rsp),%xmm5 movaps nb310nf_iz(%rsp),%xmm6 ## calc dr subps %xmm0,%xmm4 subps %xmm1,%xmm5 subps %xmm2,%xmm6 ## square it mulps %xmm4,%xmm4 mulps %xmm5,%xmm5 mulps %xmm6,%xmm6 addps %xmm5,%xmm4 addps %xmm6,%xmm4 ## rsq in xmm4 rsqrtps %xmm4,%xmm5 ## lookup seed in xmm5 movaps %xmm5,%xmm2 mulps %xmm5,%xmm5 movaps nb310nf_three(%rsp),%xmm1 mulps %xmm4,%xmm5 ## rsq*lu*lu movaps nb310nf_half(%rsp),%xmm0 subps %xmm5,%xmm1 ## 30-rsq*lu*lu mulps %xmm2,%xmm1 mulps %xmm1,%xmm0 ## xmm0=rinv mulps %xmm0,%xmm4 ## xmm4=r mulps nb310nf_tsc(%rsp),%xmm4 cvttps2pi %xmm4,%mm6 ## mm6 contain lu indices cvtpi2ps %mm6,%xmm6 subps %xmm6,%xmm4 movaps %xmm4,%xmm1 ## xmm1=eps movaps %xmm1,%xmm2 mulps %xmm2,%xmm2 ## xmm2=eps2 pslld $2,%mm6 movq nb310nf_VFtab(%rbp),%rsi movd %mm6,%ebx movlps (%rsi,%rbx,4),%xmm4 movlps 8(%rsi,%rbx,4),%xmm6 movaps %xmm4,%xmm5 movaps %xmm6,%xmm7 shufps $1,%xmm5,%xmm5 shufps $1,%xmm7,%xmm7 ## table ready in xmm4-xmm7 mulps %xmm1,%xmm6 ## xmm6=Geps mulps %xmm2,%xmm7 ## xmm7=Heps2 addps %xmm6,%xmm5 addps %xmm7,%xmm5 ## xmm5=Fp movaps nb310nf_qq(%rsp),%xmm3 mulps %xmm1,%xmm5 ## xmm5=eps*Fp addps %xmm4,%xmm5 ## xmm5=VV mulps %xmm3,%xmm5 ## vcoul=qq*VV ## L-J movaps %xmm0,%xmm4 mulps %xmm0,%xmm4 ## xmm4=rinvsq ## at this point mm5 contains vcoul ## increment vcoul - then we can get rid of mm5 ## update vctot addss nb310nf_vctot(%rsp),%xmm5 movaps %xmm4,%xmm6 mulps %xmm4,%xmm6 movss %xmm5,nb310nf_vctot(%rsp) mulps %xmm4,%xmm6 ## xmm6=rinvsix movaps %xmm6,%xmm4 mulps %xmm4,%xmm4 ## xmm4=rinvtwelve mulps nb310nf_c6(%rsp),%xmm6 mulps nb310nf_c12(%rsp),%xmm4 movss nb310nf_Vvdwtot(%rsp),%xmm7 addps %xmm4,%xmm7 subps %xmm6,%xmm7 movss %xmm7,nb310nf_Vvdwtot(%rsp)_nb_kernel310nf_x86_64_sse.nb310nf_updateouterdata: ## get n from stack movl nb310nf_n(%rsp),%esi ## get group index for i particle movq nb310nf_gid(%rbp),%rdx ## base of gid[] movl (%rdx,%rsi,4),%edx ## ggid=gid[n] ## accumulate total potential energy and update it movaps nb310nf_vctot(%rsp),%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 movq nb310nf_Vc(%rbp),%rax addss (%rax,%rdx,4),%xmm7 ## move back to mem movss %xmm7,(%rax,%rdx,4) ## accumulate total lj energy and update it movaps nb310nf_Vvdwtot(%rsp),%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 movq nb310nf_Vvdw(%rbp),%rax addss (%rax,%rdx,4),%xmm7 ## move back to mem movss %xmm7,(%rax,%rdx,4) ## finish if last movl nb310nf_nn1(%rsp),%ecx ## esi already loaded with n incl %esi subl %esi,%ecx jz _nb_kernel310nf_x86_64_sse.nb310nf_outerend ## not last, iterate outer loop once more! movl %esi,nb310nf_n(%rsp) jmp _nb_kernel310nf_x86_64_sse.nb310nf_outer_nb_kernel310nf_x86_64_sse.nb310nf_outerend: ## check if more outer neighborlists remain movl nb310nf_nri(%rsp),%ecx ## esi already loaded with n above subl %esi,%ecx jz _nb_kernel310nf_x86_64_sse.nb310nf_end ## non-zero, do one more workunit jmp _nb_kernel310nf_x86_64_sse.nb310nf_threadloop_nb_kernel310nf_x86_64_sse.nb310nf_end: movl nb310nf_nouter(%rsp),%eax movl nb310nf_ninner(%rsp),%ebx movq nb310nf_outeriter(%rbp),%rcx movq nb310nf_inneriter(%rbp),%rdx movl %eax,(%rcx) movl %ebx,(%rdx) addq $312,%rsp emms pop %r15 pop %r14 pop %r13 pop %r12 pop %rbx pop %rbp ret⌨️ 快捷键说明
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