Esempio n. 1
0
// precondition: size(x) >= size(y)
//
mword *badd_array(bvm_cache *this_bvm, mword *x, mword *y){

    mword max_size = MAX(size(x), size(y));
    mword min_size = MIN(size(x), size(y));

    mword *result = _newlfi(this_bvm, max_size+1, 0);

    int i;
    mword carry = 0;
    for(i=0; i<min_size; i++){
        carry = badd_term(this_bvm, rcl(x,i), rcl(y,i), (result+i), carry);
    }
    
    for(;i<max_size;i++){
        carry = badd_term(this_bvm, rcl(x,i), 0, (result+i), carry);
    }

    if(carry){
        lcl(result,max_size) = carry;
    }
    else{
        s(result) = (s(result)-MWORD_SIZE);
    }

    return result;

}
Esempio n. 2
0
// Add with carry
//
mword *_addc(bvm_cache *this_bvm, mword a, mword b, mword carry_in){

    mword sum = a + b + carry_in;
    mword *result;

    if(sum < a){
        result = _newlfi(this_bvm, 2, 0);
        lcl(result,0) = (mword)sum;
        lcl(result,1) = 1; // carry bit
    }
    else{
        result = _val(this_bvm, (mword)sum);
    }

    return result;

}
Esempio n. 3
0
mword *tptr_new(bvm_cache *this_bvm, const mword *hash, mword *bs){ // tptr_new#

    mword *ptr = mem_alloc( this_bvm, TPTR_SFIELD );

    int i;
    for(i=0; i<HASH_SIZE; i++){ // FIXME: PERF... use memcpy
        ptr[i] = hash[i];
    }

    lcl(ptr,HASH_SIZE)   = INTE_SFIELD*MWORD_SIZE;

    set_tptr(ptr,bs);

    return ptr;

}
Esempio n. 4
0
mword *_babel_root(bvm_cache *this_bvm, mword *loaded_bvm){ // _babel_root#

#ifdef BABEL_RESET_TRACE
_trace;
#endif

    bvm_cache new_bvm;
    bvm_cache *new_bvm_ptr = &new_bvm;

    cache_new(this_bvm, new_bvm_ptr, loaded_bvm);

    mword *bvm_initd = rci(cache_read_from_bvm(this_bvm, BABEL_SYM_BVM_INITD),0);

    if(!rcl(bvm_initd,0)){
        bvm_new(new_bvm_ptr);
        lcl(bvm_initd,0) = 1;
    }
    else{
        cache_update(new_bvm_ptr);
    }

    new_bvm_ptr->flags->BVM_CACHE_DIRTY   = FLAG_CLR;
    new_bvm_ptr->flags->BVM_CACHE_INVALID = FLAG_CLR;

    babel_root_code_injection_point(new_bvm_ptr);

    new_bvm_ptr->flags->BVM_CODE_LIST_EMPTY = FLAG_CLR;

    interp_core(new_bvm_ptr);

    this_bvm->flags->BVM_CACHE_DIRTY   = FLAG_CLR;
    this_bvm->flags->BVM_CACHE_INVALID = FLAG_CLR;

// XXX Enhancement: handle return-from-root
//    if(new_bvm_ptr->flags->BVM_CODE_LIST_EMPTY == FLAG_SET){
//        _msg("BVM_CODE_LIST_EMPTY");
//    }

    return nil;

}
Esempio n. 5
0
// This function almost a copy of lf2by() but slightly modified
//
mword *bpdl_quote_to_bstruct(bvm_cache *this_bvm, mword *entry){ // bpdl_quote_to_bstruct#

#ifdef BPDL_TRACE
_trace;
#endif

    mword arr_size  = size(entry)-2; // -2 because of the quote marks
    mword arr8_size = _array8_size(this_bvm, arr_size);
    unsigned char *result = (unsigned char *)_newlfi(this_bvm, arr8_size, 0);

    int i;

    for(i=1; i<arr_size+1; i++){

        result[i-1] = (unsigned char)(entry[i] & 0xff);

    }

    lcl(result, arr8_size-1) = _alignment_word8(this_bvm, arr_size);

    return (mword*)result;

}
Esempio n. 6
0
void execALU(){
	switch(controle_alu.op_code){
		case  1: add();      break;
		case  2: addinc();   break;
		case  3: and();      break;
		case  4: andnota();  break;
		case  5: asl();      break;
		case  6: asr();      break;
		case  7: deca();     break;
		case  8: inca();     break;
		case  9: j();        break;
		case 10: jal(); 	 break;
		case 11: jf(); 	  	 break;
		case 12: jr(); 		 break;
		case 13: jt(); 		 break;
		case 14: lch(); 	 break;
		case 15: lcl(); 	 break;
		case 16: load();	 break;
		case 17: loadlit();	 break;
		case 18: lsl();		 break;
		case 19: lsr();		 break;
		case 20: nand();	 break;
		case 21: nor();		 break;
		case 22: ones();	 break;
		case 23: or();		 break;
		case 24: ornotb();	 break;
		case 25: passa();	 break;
		case 26: passnota(); break;
		case 27: store();	 break;
		case 28: sub();		 break;
		case 29: subdec();	 break;
		case 30: xnor();	 break;
		case 31: xor();		 break;
		case 32: zeros();	 break;
	}
}
Esempio n. 7
0
mword *_babel(bvm_cache *this_bvm, mword *loaded_bvm, mword *arg_stack, mword *sym_table){ // _babel#

    bvm_cache new_bvm;
    bvm_cache *new_bvm_ptr = &new_bvm;
    mword *result = nil;

    cache_new(this_bvm, new_bvm_ptr, loaded_bvm);

    mword *self = tptr_detag(new_bvm_ptr, tptr_detag(new_bvm_ptr, new_bvm_ptr->self)); // Could blow up due to mem_alloc()

    if( !trie_exists(new_bvm_ptr, self, BABEL_SYM_BVM_INITD, nil) ){
        trie_insert( new_bvm_ptr, self, BABEL_SYM_BVM_INITD, nil, _val(new_bvm_ptr,1) );
//        trie_insert( new_bvm_ptr, self, BABEL_SYM_BVM_INITD, nil, _val(new_bvm_ptr,0) );
    }

    mword *bvm_initd = rci(cache_read_from_bvm(new_bvm_ptr, BABEL_SYM_BVM_INITD),0);

    if(!rcl(bvm_initd,0)){
        bvm_new(new_bvm_ptr);
        lcl(bvm_initd,0) = 1;
    }
    else{
        cache_update(new_bvm_ptr);
    }

    if( !trie_exists(new_bvm_ptr, self, BABEL_SYM_CODE_RESTART_POINT, nil) ){
        trie_insert( new_bvm_ptr, self, BABEL_SYM_CODE_RESTART_POINT, nil, rci(new_bvm_ptr->code_ptr,0));
    }

    new_bvm_ptr->flags->BVM_CACHE_DIRTY   = FLAG_CLR;
    new_bvm_ptr->flags->BVM_CACHE_INVALID = FLAG_CLR;

    cache_flush(this_bvm);

    if(!is_nil(sym_table)){
        trie_insert(new_bvm_ptr, tptr_detag(new_bvm_ptr, new_bvm_ptr->self), BABEL_SYM_SOFT_ROOT, nil, sym_table);
    }

    trie_insert(new_bvm_ptr, tptr_detag(new_bvm_ptr, new_bvm_ptr->self), BABEL_SYM_PARENT_BVM, nil, this_bvm->self);

    new_bvm_ptr->flags->BVM_CODE_LIST_EMPTY = FLAG_CLR;

    while(!is_nil(arg_stack)){ // give the arg-list onto the BVM's dstack
        interp_push_operand(new_bvm_ptr, rci(arg_stack, 0));
        arg_stack = rci(arg_stack,1);
    }

    interp_core(new_bvm_ptr);

    cache_cp(new_bvm_ptr, this_bvm); //update flags and interp

    this_bvm->self = _ith(  this_bvm, 
                            trie_lookup_hash(
                                new_bvm_ptr, 
                                tptr_detag(new_bvm_ptr, new_bvm_ptr->self), 
                                BABEL_SYM_PARENT_BVM, 
                                nil),
                            2 );

    cache_update(this_bvm);

    this_bvm->flags->BVM_CACHE_DIRTY   = FLAG_CLR;
    this_bvm->flags->BVM_CACHE_INVALID = FLAG_CLR;

    //copy TOS from new_bvm to this_bvm
    oinfo oi;
    oi.default_data = nil;
    oi.required_tag = nil;
    oi.mask = OI_MASK_ANY;
    oi.min_size = 0;
    oi.max_size = 1;

    if( new_bvm_ptr->flags->BVM_RETURN_TOS_ON_EXIT == FLAG_SET 
            &&
        (new_bvm_ptr->flags->BVM_CODE_LIST_EMPTY == FLAG_SET 
            ||
        (get_advance_type(new_bvm_ptr) == BVM_RETURN))){

        get_operands(new_bvm_ptr,1,&oi);
        result = oi.data;

        stack_pop(new_bvm_ptr,rci(new_bvm_ptr->dstack_ptr,0));

//        stack_push(this_bvm,
//                rci(this_bvm->dstack_ptr,0),
//                stack_new_entry(
//                    this_bvm,
//                    oi.data,
//                    nil));

    }

    // Reset all flags in case of re-entry
    new_bvm_ptr->flags->BVM_RETURN_TOS_ON_EXIT = FLAG_CLR; // FIXME: This restore to previous value, not force-clear
    new_bvm_ptr->flags->BVM_CODE_LIST_EMPTY = FLAG_CLR;

    if(get_advance_type(new_bvm_ptr) == BVM_RETURN){
        set_advance_type(new_bvm_ptr, BVM_ADVANCE);
    }

    this_bvm->flags->BVM_RETURN_TOS_ON_EXIT = FLAG_CLR;
    this_bvm->flags->BVM_CODE_LIST_EMPTY    = FLAG_CLR;

    return result;

}
Esempio n. 8
0
void tet_hp_cns::minvrt() {
	int i,j,k,n,tind,msgn,sgn,sind,v0;
	Array<FLT,2> spokemass;
	int last_phase, mp_phase;
	
	Array<double,1> lcl(NV), lclug(NV),lclres(NV),uavg(NV);
	Array<TinyVector<double,MXGP>,2> P(NV,NV);
	Array<TinyVector<double,MXGP>,1> u1d(NV),res1d(NV),temp1d(NV);
	Array<TinyVector<double,MXTM>,1> ucoef(NV),rcoef(NV),tcoef(NV);
	
	if (basis::tet(log2p).p > 2) {
		*gbl->log << "cns minvrt only works for p = 1 and 2" << endl;
		exit(4);
	}
	
	/* LOOP THROUGH EDGES */
	if (basis::tet(log2p).em > 0) {
		for(int eind = 0; eind<nseg;++eind) {
			/* SUBTRACT SIDE CONTRIBUTIONS TO VERTICES */         
			for (k=0; k <basis::tet(log2p).em; ++k) {
				for (i=0; i<2; ++i) {
					v0 = seg(eind).pnt(i);
					for(n=0;n<NV;++n)
						gbl->res.v(v0,n) -= basis::tet(log2p).sfmv(i,k)*gbl->res.e(eind,k,n);
				}
			}
		}		
	}
	
	gbl->res.v(Range(0,npnt-1),Range::all()) *= gbl->vprcn(Range(0,npnt-1),Range::all())*basis::tet(log2p).vdiag;

	/* LOOP THROUGH VERTICES */
	for(int i=0;i<npnt;++i){
		
		for(int n = 0; n < NV; ++n)
			lclres(n) = gbl->res.v(i,n);

		
		if(gbl->preconditioner == 0 || gbl->preconditioner == 1) {
			for(int n = 0; n < NV; ++n)
				lclug(n) = ug.v(i,n);

			switch_variables(lclug,lclres);

			for(int j=0;j<NV;++j){
				FLT lcl0 = lclres(j);
				for(int k=0;k<j;++k){
					lcl0 -= gbl->vpreconditioner(i,j,k)*lclres(k);
				}
				lclres(j) = lcl0/gbl->vpreconditioner(i,j,j);
			}
		}
		else {		
			int info,ipiv[NV];
			Array<double,2> P(NV,NV);
			
			for(int j=0;j<NV;++j)
				for(int k=0;k<NV;++k)
					P(j,k) = gbl->vpreconditioner(i,j,k);
				
			GETRF(NV, NV, P.data(), NV, ipiv, info);

			if (info != 0) {
				*gbl->log << "DGETRF FAILED FOR CNS MINVRT" << std::endl;
				sim::abort(__LINE__,__FILE__,gbl->log);
			}
			
			char trans[] = "T";
			GETRS(trans,NV,1,P.data(),NV,ipiv,lclres.data(),NV,info);
		}
		
		for(int n = 0; n < NV; ++n)
			gbl->res.v(i,n) = lclres(n);
		
	}
	
	for(last_phase = false, mp_phase = 0; !last_phase; ++mp_phase) {
		pc0load(mp_phase,gbl->res.v.data());
		pmsgpass(boundary::all_phased,mp_phase,boundary::symmetric);
		last_phase = true;
		last_phase &= pc0wait_rcv(mp_phase,gbl->res.v.data());
	}

	/* APPLY VERTEX DIRICHLET B.C.'S */
	for(i=0;i<nfbd;++i)
		hp_fbdry(i)->vdirichlet();
	
	for(i=0;i<nebd;++i)
		hp_ebdry(i)->vdirichlet3d();        
	
	for(i=0;i<nvbd;++i)
		hp_vbdry(i)->vdirichlet3d();
	
	if(basis::tet(log2p).em == 0) return;
	
	/* LOOP THROUGH SIDES */    
	for(int sind=0;sind<nseg;++sind) {
		
		for(int n = 0; n < NV; ++n)
			lclres(n) = gbl->res.e(sind,0,n);

		Array<FLT,2> P(NV,NV);
		for(int j=0;j<NV;++j){
			for(int k=0;k<NV;++k){
				P(j,k) = gbl->epreconditioner(sind,j,k);
				//P(j,k) = 0.5*(gbl->vpreconditioner(seg(sind).pnt(0),j,k)+gbl->vpreconditioner(seg(sind).pnt(1),j,k));
			}
		}

		if(gbl->preconditioner == 0 || gbl->preconditioner == 1) {
			for(int n = 0; n < NV; ++n)
				uavg(n) = 0.5*(ug.v(seg(sind).pnt(0),n)+ug.v(seg(sind).pnt(1),n));
				
			switch_variables(uavg,lclres);
			
			for(int j=0;j<NV;++j){
				FLT lcl0 = lclres(j);
				for(int k=0;k<j;++k){
					lcl0 -= P(j,k)*lclres(k);
				}
				lclres(j) = lcl0/P(j,j);
			}
		}
		else {
			int info,ipiv[NV];
			
			GETRF(NV, NV, P.data(), NV, ipiv, info);
			
			if (info != 0) {
				*gbl->log << "DGETRF FAILED FOR CNS MINVRT EDGE" << std::endl;
				sim::abort(__LINE__,__FILE__,gbl->log);
			}
			
			char trans[] = "T";
			GETRS(trans,NV,1,P.data(),NV,ipiv,lclres.data(),NV,info);
		}
		
		for(int n = 0; n < NV; ++n)
			gbl->res.e(sind,0,n) = lclres(n);
		
	}
	
	/* REMOVE VERTEX CONTRIBUTION FROM SIDE MODES */
	/* SOLVE FOR SIDE MODES */
	/* PART 1 REMOVE VERTEX CONTRIBUTIONS */
	for(tind=0;tind<ntet;++tind) {         
		for(i=0;i<4;++i) {
			v0 = tet(tind).pnt(i);
			for(n=0;n<NV;++n)
				uht(n)(i) = gbl->res.v(v0,n)*gbl->iprcn(tind,n);
		}
		/* edges */
		for(i=0;i<6;++i) {
			sind = tet(tind).seg(i);
			sgn  = tet(tind).sgn(i);
			for(j=0;j<4;++j) {
				msgn = 1;
				for(k=0;k<basis::tet(log2p).em;++k) {
					for(n=0;n<NV;++n)
						gbl->res.e(sind,k,n) -= msgn*basis::tet(log2p).vfms(j,4+k+i*basis::tet(log2p).em)*uht(n)(j);
					msgn *= sgn;
				}
			}
		}				
	}
	
	
	basis::tet(log2p).ediag(0) = 100.0;//for fast convergence 
	//basis::tet(log2p).ediag(0) = 48.0; //for accuracy mass lumped edge modes
	gbl->res.e(Range(0,nseg-1),0,Range::all()) *= gbl->eprcn(Range(0,nseg-1),Range::all())*basis::tet(log2p).ediag(0);
	
	for(last_phase = false, mp_phase = 0; !last_phase; ++mp_phase) {
		sc0load(mp_phase,gbl->res.e.data(),0,0,gbl->res.e.extent(secondDim));
		smsgpass(boundary::all_phased,mp_phase,boundary::symmetric);
		last_phase = true;
		last_phase &= sc0wait_rcv(mp_phase,gbl->res.e.data(),0,0,gbl->res.e.extent(secondDim));
	}
	
	/* APPLY DIRCHLET B.C.S TO MODE */
	for(int i=0;i<nfbd;++i)
		hp_fbdry(i)->edirichlet();
	
	for (int i=0;i<nebd;++i) 
		hp_ebdry(i)->edirichlet3d();	
	
	return;
}