Merge pull request #48 from mlochbaum/singelirep
Fast constant Replicate
This commit is contained in:
commit
d1783e4706
@ -1 +1 @@
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Subproject commit 4a4cee084d0e0f13593ed1feb678aa85bde02002
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Subproject commit 88901dc87defdb281a1496e402a70afa96b02020
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@ -9,9 +9,10 @@ srcfile ← •file.At srcfileR
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resfile ← •file.At resfileR
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tmpfile ← (•file.At buildDir) •file.At filename∾".d.orig"
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depfile ← (•file.At buildDir) •file.At filename∾".d"
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prefix ← "si_"∾ (∧`'.'⊸≠)⊸/ •file.Name srcfile
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# invoke singeli, which creates the result file
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(⟨"-d" ⋄ tmpfile ⋄ "-o" ⋄ resfile ⋄ srcfile⟩) •Import siDir •file.At "singeli"
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(⟨"-d" ⋄ tmpfile ⋄ "-o" ⋄ resfile ⋄ "-n" ⋄ prefix ⋄ srcfile⟩) •Import siDir •file.At "singeli"
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# output dependency file
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deps ← siDir⊸•file.At¨ •file.Lines tmpfile
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2
makefile
2
makefile
@ -224,7 +224,7 @@ preSingeliBin:
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@${MAKE} i_singeli=0 singeli=0 force_build_dir=obj/presingeli f= lf= postmsg="singeli sources:" i_t=presingeli i_f='-O1 -DPRE_SINGELI' FFI=0 OUTPUT=obj/presingeli/BQN c
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build_singeli: ${addprefix src/singeli/gen/, cmp.c dyarith.c copy.c equal.c squeeze.c scan.c slash.c bits.c}
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build_singeli: ${addprefix src/singeli/gen/, cmp.c dyarith.c copy.c equal.c squeeze.c scan.c neq.c slash.c constrep.c bits.c}
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@echo $(postmsg)
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src/singeli/gen/%.c: src/singeli/src/%.singeli preSingeliBin
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@echo $< | cut -c 17- | sed 's/^/ /'
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@ -61,7 +61,7 @@ B tbl_c2(Md1D* d, B w, B x) { B f = d->f;
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BBB2B fc2 = c2fn(f);
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if (!EACH_FILLS && isFun(f) && isPervasiveDy(f) && TI(w,arrD1)) {
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if (TI(x,arrD1) && xia<80 && wia>130) {
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if (TI(x,arrD1) && wia>130 && xia<2560>>arrTypeBitsLog(TY(x))) {
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Arr* wd = arr_shVec(TI(w,slice)(incG(w), 0, wia));
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r = fc2(f, slash_c2(f, m_i32(xia), taga(wd)), shape_c2(f, m_f64(ria), incG(x)));
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} else if (xia>7) {
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@ -108,8 +108,17 @@ B each_c2(Md1D* d, B w, B x) { B f = d->f;
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return homFil2(f, eachd(f, w, x), wf, xf);
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}
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#if SINGELI && __PCLMUL__
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-variable"
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#include "../singeli/gen/neq.c"
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#pragma GCC diagnostic pop
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#endif
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B scan_ne(u64 p, u64* xp, u64 ia) {
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u64* rp; B r=m_bitarrv(&rp,ia);
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#if SINGELI && __PCLMUL__
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clmul_scan_ne(p, xp, rp, BIT_N(ia));
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#else
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for (usz i = 0; i < BIT_N(ia); i++) {
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u64 c = xp[i];
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u64 r = c ^ (c<<1);
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@ -118,6 +127,7 @@ B scan_ne(u64 p, u64* xp, u64 ia) {
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rp[i] = r;
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p = -(r>>63); // repeat sign bit
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}
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#endif
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return r;
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}
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@ -105,14 +105,19 @@
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#endif
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#if SINGELI
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extern void (*const avx2_scan_pluswrap_u8)(uint8_t* v0,uint8_t* v1,uint64_t v2,uint8_t v3);
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extern void (*const avx2_scan_pluswrap_u16)(uint16_t* v0,uint16_t* v1,uint64_t v2,uint16_t v3);
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extern void (*const avx2_scan_pluswrap_u32)(uint32_t* v0,uint32_t* v1,uint64_t v2,uint32_t v3);
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#define avx2_scan_pluswrap_u64(V0,V1,V2,V3) for (usz i=k; i<e; i++) js=rp[i]+=js;
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#define PLUS_SCAN(T) avx2_scan_pluswrap_##T(rp+k,rp+k,e-k,js); js=rp[e-1];
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extern void (*const avx2_scan_max32)(int32_t* v0,int32_t* v1,uint64_t v2);
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wunused-variable"
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#include "../singeli/gen/constrep.c"
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#pragma GCC diagnostic pop
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extern void (*const avx2_scan_pluswrap_u8)(uint8_t* v0,uint8_t* v1,uint64_t v2,uint8_t v3);
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extern void (*const avx2_scan_pluswrap_u16)(uint16_t* v0,uint16_t* v1,uint64_t v2,uint16_t v3);
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extern void (*const avx2_scan_pluswrap_u32)(uint32_t* v0,uint32_t* v1,uint64_t v2,uint32_t v3);
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#define avx2_scan_pluswrap_u64(V0,V1,V2,V3) for (usz i=k; i<e; i++) js=rp[i]+=js;
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#define PLUS_SCAN(T) avx2_scan_pluswrap_##T(rp+k,rp+k,e-k,js); js=rp[e-1];
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extern void (*const avx2_scan_max32)(int32_t* v0,int32_t* v1,uint64_t v2);
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#else
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#define PLUS_SCAN(T) for (usz i=k; i<e; i++) js=rp[i]+=js;
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#define PLUS_SCAN(T) for (usz i=k; i<e; i++) js=rp[i]+=js;
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#endif
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// Dense Where, still significantly worse than SIMD
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@ -713,6 +718,34 @@ B slash_c2(B t, B w, B x) {
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if (xl == 0) {
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u64* xp = bitarr_ptr(x);
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u64* rp; r = m_bitarrv(&rp, s);
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#if __BMI2__
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if (wv <= 52) {
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u64 m = (u64)-1 / (((u64)1<<wv)-1); // TODO table lookup
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u64 xw = 0;
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if (m & 1) { // Power of two
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for (usz i=-1, j=0; j<BIT_N(s); j++) {
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xw >>= (64/wv);
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if ((j&(wv-1))==0) xw = xp[++i];
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u64 rw = _pdep_u64(xw, m);
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rp[j] = (rw<<wv)-rw;
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}
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} else {
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usz d = POPC(m); // == 64/wv
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usz q = CTZ(m); // == 64%wv
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m = m<<(wv-q) | 1;
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u64 mt = (u64)1<<(d+1); // Bit d+1 may be needed, isn't pdep-ed
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usz tsh = d*wv-(d+1);
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for (usz xi=0, o=0, j=0; j<BIT_N(s); j++) {
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xw = *(u64*)((u8*)xp+xi/8) >> (xi%8);
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u64 ex = (xw&mt)<<tsh;
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u64 rw = _pdep_u64(xw, m);
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rp[j] = ((rw-ex)<<(wv-o))-(rw>>o|(xw&1));
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o += q;
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bool oo = o>=wv; xi+=d+oo; o-=wv&-oo;
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}
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}
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} else
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#endif
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if (wv <= 256) { BOOL_REP_XOR_SCAN(wv) }
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else { BOOL_REP_OVER(wv, xlen) }
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goto decX_ret;
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@ -720,7 +753,11 @@ B slash_c2(B t, B w, B x) {
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u8 xk = xl-3;
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void* rv = m_tyarrv(&r, 1<<xk, s, xt);
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void* xv = tyany_ptr(x);
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#if SINGELI
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#define CASE(L,T) case L: constrep_##T(wv, xv, rv, xlen); break;
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#else
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#define CASE(L,T) case L: { REP_BY_SCAN(T, wv) break; }
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#endif
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switch (xk) { default: UD; CASE(0,u8) CASE(1,u16) CASE(2,u32) CASE(3,u64) }
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#undef CASE
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}
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@ -1,5 +1,6 @@
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include 'skin/c'
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include 'arch/c'
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include 'util/kind'
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oper ~~ reinterpret infix right 55
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def Size = u64
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@ -12,21 +13,20 @@ def cdiv{a,b} = (a+b-1)/b
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def lb{n & knum{n} & (n>>1<<1) == n & n>0} = lb{n>>1}+1
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def lb{n==1} = 0
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def tail{n,x} = x - (x>>n << n) # get the n least significant bits
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def bit {k,x} = tail{1,x>>k} << k # get the k-th bit
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def tail{n,x} = x & ((1<<n) - 1) # get the n least significant bits
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def bit {k,x} = x & (1<<k) # get the k-th bit
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def rare{x:u1} = emit{u1, '__builtin_expect', x, 0}
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def assert{x & x==0} = assert{'failed assertion'}
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def assert{x & x==1} = 1
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def assert{x:u1} = emit{void, 'si_assert', x}
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def assert{x:u1} = { if (not x) emit{void, '__builtin_unreachable'} }
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# various checks
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def knum{x} = match{kind{x},'number'}
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def isreg{x} = match{kind{x},'register'}
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def isconst{x} = match{kind{x},'constant'}
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def istype{x} = match{kind{x},'type'}
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def istup{x} = match{kind{x},'tuple'}
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def isreg = kreg
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def isconst = kcon
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def istype = ktyp
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def istup = ktup
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def isunsigned{T} = isint{T} & ~issigned{T}
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@ -44,10 +44,8 @@ def anyInt{x & isreg{x}|isconst{x}} = isint{x}
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def trunc{T, x:U & isint{T} & isint{U} & T<=U} = emit{T, '', x}
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def trunc{T, x & knum{x}} = cast{T, x}
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def ty_s{w== 8} = i8; def ty_u{w== 8} = u8
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def ty_s{w==16} = i16; def ty_u{w==16} = u16
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def ty_s{w==32} = i32; def ty_u{w==32} = u32
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def ty_s{w==64} = i64; def ty_u{w==64} = u64
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def ty_s{w} = primtype{'i', w}
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def ty_u{w} = primtype{'u', w}
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def ty_u{T & isprim{T}} = ty_u{width{T}}
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def ty_s{T & isprim{T}} = ty_s{width{T}}
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@ -124,4 +122,4 @@ def broadcast{n, v & knum{n}} = @collect(n) v
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def printfType{T} = tern{isfloat{T}, '%.17g', merge{'%', tern{width{T}==64, 'l', ''}, tern{issigned{T}, 'd', 'u'}}}
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def print{x & match{kind{x},'symbol'}} = { emit{void, 'printf', '"%s"', merge{'"', x, '"'}}; x }
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def print{x:T & anyNum{x}} = { emit{void, 'printf', merge{'"', printfType{T}, '"'}, x}; x }
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def println{x} = { print{x}; print{'\n'}; x }
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def println{x} = { print{x}; print{'\n'}; x }
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185
src/singeli/src/constrep.singeli
Normal file
185
src/singeli/src/constrep.singeli
Normal file
@ -0,0 +1,185 @@
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include './base'
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include './sse3'
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include './avx'
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include './avx2'
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include './mask'
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include 'util/tup'
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def incl{a,b} = slice{iota{b+1},a}
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# 1+˝∨`⌾⌽0=div|⌜range
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def makefact{divisor, range} = {
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def t = table{{a,b}=>0==b%a, divisor, range}
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fold{+, 1, reverse{scan{|, reverse{t}}}}
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}
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def basic_rep = incl{2, 7}
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def fact_size = 128
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def fact_inds = slice{iota{fact_size},8}
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def fact_tab = makefact{basic_rep, fact_inds}
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factors:*u8 = fact_tab
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def get_shufs{step, wv, len} = {
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def i = iota{len*step}
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split{step, (i - i%wv)/wv}
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}
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def get_shuf_data{wv, len} = get_shufs{32, wv, len}
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def get_shuf_data{wv} = get_shuf_data{wv, wv}
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def rep_iter_from_sh{sh} = {
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def l = tuplen{sh}
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def h = l >> 1
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{x, gen} => {
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def fs{v, s} = gen{sel{[16]i8, v, s}}
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a := shuf{[4]u64, x, 4b1010}; each{bind{fs,a}, slice{sh,0,h}}
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if (l%2) fs{x, tupsel{h, sh}}
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b := shuf{[4]u64, x, 4b3232}; each{bind{fs,b}, slice{sh,-h}}
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}
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}
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def get_rep_iter{V, wv==2}{x, gen} = {
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def s = shuf{[4]u64, x, 4b3120}
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each{{q}=>gen{V~~q}, unpackQ{s, s}}
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}
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def get_rep_iter{V==[4]u64, wv} = {
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def step = 4
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def base4{l} = { if (0==tuplen{l}) 0; else tupsel{0,l}+4*base4{slice{l,1}} }
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def sh = each{base4, get_shufs{step, wv, wv}}
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{x, gen} => each{{s}=>gen{shuf{V, x, s}}, sh}
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}
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def read_shuf_vecs{l, elbytes:u64, shp:*[32]i8} = {
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def double{x} = {
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s:=shuf{[4]u64, x, 4b3120}; s+=s
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each{bind{~~,[32]i8},unpackQ{s, s+broadcast{type{s},1}}}
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}
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def doubles{n,tup} = slice{join{each{double,tup}}, 0, n}
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def sh = each{{v}=>{r:=v}, copy{l, broadcast{[32]i8, 0}}}
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def tlen{e} = (l+(-l)%e)/e # Length for e bytes, rounded up
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def set{i} = { tupsel{i,sh} = each{bind{load,shp},i} }
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def ext{e} = {
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def m = tlen{2*e}; def n = tlen{e} # m<n
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if (elbytes<=e) set{slice{iota{n},m}}
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else slice{sh,0,n} = doubles{n,slice{sh,0,m}}
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}
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set{iota{tlen{8}}}; ext{4}; ext{2}; ext{1}
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sh
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}
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def rep_const_shuffle{V, wv, onreps, xv:*V, rv:*V, n:u64} = {
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def step = vcount{V}
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nv := n / step
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j:u64 = 0
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def write{v} = { store{rv, j, v}; ++j }
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@for (xv over nv) onreps{xv, write}
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if (nv*step < n) {
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nr := n * wv
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e := nr / step
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s := broadcast{V, 0}
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def end = makelabel{}
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onreps{load{xv,nv}, {v} => {
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s = v
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if (j == e) goto{end}
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write{s}
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}}
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setlabel{end}
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q := nr & (step-1)
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if (q) maskstoreF{rv, maskOf{V, q}, e, s}
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}
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}
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def rep_const_shuffle{V, wv, xv:*V, rv:*V, n:u64} = rep_const_shuffle{V, wv, get_rep_iter{V, wv}, xv, rv, n}
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def rcsh_vals = slice{basic_rep, 1} # Handle 2 specially
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rcsh_offs:*u8 = shiftright{0, scan{+,rcsh_vals}}
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rcsh_data:*i8 = join{join{each{get_shuf_data, rcsh_vals}}}
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rcsh_sub{wv}(elbytes:u64, x:*i8, r:*i8, n:u64, sh:*[32]i8) : void = {
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def V = [32]i8
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def st = read_shuf_vecs{wv, elbytes, sh}
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rep_const_shuffle{V, wv, rep_iter_from_sh{st}, *V~~x, *V~~r, n}
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}
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def rcsh4_dom = replicate{bind{>=,64}, replicate{fact_tab==1, fact_inds}}
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rcsh4_dat:*i8 = join{join{each{{wv}=>get_shuf_data{wv, 4}, rcsh4_dom}}}
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rchs4_lkup:*i8 = shiftright{0, scan{+, fold{|, table{==, rcsh4_dom, iota{64}}}}}
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rep_const_shuffle_partial4(wv:u64, elbytes:u64, x:*i8, r:*i8, n:u64) : void = {
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def h = 4
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def sh = read_shuf_vecs{h, elbytes, *[32]i8~~rcsh4_dat + 4*load{rchs4_lkup,wv}}
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def V = [32]i8
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def step = vcount{V} # Bytes written
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def wvb = wv * elbytes
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def hs = (h*step) / wvb # Actual step size in argument elements
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re := r + n*wvb - h*step
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i:u64 = 0
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while (r <= re) {
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a := shuf{[4]u64, load{*V~~(x+i),0}, 4b1010}
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@unroll (j to h) store{*V~~r, j, sel{[16]i8, a, tupsel{j,sh}}}
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i += hs*elbytes
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r += hs*wvb
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}
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re += (h-1)*step
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a := shuf{[4]u64, load{*V~~(x+i),0}, 4b1010}
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s := broadcast{V, 0}
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def end = makelabel{}
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@unroll (j to h) {
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s = sel{[16]i8, a, tupsel{j,sh}}
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if (r > re) goto{end}
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store{*V~~r, 0, s}
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r += step
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}
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setlabel{end}
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q := (re+step) - r
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if (q) maskstoreF{*V~~r, maskOf{V, q}, 0, s}
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}
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rep_const_shuffle_any(wv:u64, elbytes:u64, x:*i8, r:*i8, n:u64) : void = {
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if (wv > tupsel{-1,rcsh_vals}) {
|
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return{rep_const_shuffle_partial4(wv, elbytes, x, r, n)}
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}
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n *= elbytes
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ri := wv - tupsel{0,rcsh_vals}
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sh := *[32]i8~~rcsh_data + load{rcsh_offs,ri}
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def try{k} = { if (wv==k) rcsh_sub{k}(elbytes, x, r, n, sh) }
|
||||
each{try, rcsh_vals}
|
||||
}
|
||||
|
||||
def rep_const_broadcast{T, kv, loop, wv:u64, x:*T, r:*T, n:u64} = {
|
||||
assert{kv > 0}
|
||||
def V = [256/width{T}]T
|
||||
@for (x over n) {
|
||||
v := broadcast{V, x}
|
||||
@loop (j to kv) store{*V~~r, j, v}
|
||||
r += wv
|
||||
store{*V~~r, -1, v}
|
||||
}
|
||||
}
|
||||
rep_const_broadcast{T, kv }(wv:u64, x:*T, r:*T, n:u64) : void = rep_const_broadcast{T, kv, unroll, wv, x, r, n}
|
||||
rep_const_broadcast{T}(kv:u64, wv:u64, x:*T, r:*T, n:u64) : void = rep_const_broadcast{T, kv, for , wv, x, r, n}
|
||||
|
||||
rep_const{T}(wv:u64, x:*void, r:*void, n:u64) : void = {
|
||||
assert{wv>=2}
|
||||
if (wv>=8 and wv<=fact_size) {
|
||||
fa := promote{u64, load{factors,wv-8}}
|
||||
if (fa > 1) {
|
||||
fi := wv / fa
|
||||
def t = *void~~(*T~~r + (promote{u64,wv}-fi)*n)
|
||||
rep_const{T}(fi,x,t,n)
|
||||
rep_const{T}(fa,t,r,fi*n)
|
||||
return{}
|
||||
}
|
||||
}
|
||||
def wT = width{T}
|
||||
def vn = 256/wT
|
||||
def V = [vn]T
|
||||
def max_shuffle = 2*vn
|
||||
if (wv <= max_shuffle) {
|
||||
def specialize{k} = {
|
||||
if (wv==k) return{rep_const_shuffle{V, k, *V~~x, *V~~r, n}}
|
||||
}
|
||||
specialize{2}
|
||||
rep_const_shuffle_any(wv, wT/8, *i8~~x, *i8~~r, n)
|
||||
} else {
|
||||
kv := wv / vn
|
||||
@unroll (k from (max_shuffle/vn) to 4) {
|
||||
if (kv == k) return{rep_const_broadcast{T, k}(wv, *T~~x, *T~~r, n)}
|
||||
}
|
||||
rep_const_broadcast{T}(kv, wv, *T~~x, *T~~r, n)
|
||||
}
|
||||
}
|
||||
|
||||
'constrep_u8' = rep_const{i8 }; 'constrep_u16' = rep_const{i16}
|
||||
'constrep_u32' = rep_const{i32}; 'constrep_u64' = rep_const{u64}
|
||||
34
src/singeli/src/neq.singeli
Normal file
34
src/singeli/src/neq.singeli
Normal file
@ -0,0 +1,34 @@
|
||||
include './base'
|
||||
include './sse3'
|
||||
|
||||
def clmul{a:T, b:T, imm & w128i{T}} = emit{T, '_mm_clmulepi64_si128', a, b, imm}
|
||||
def unpacklo{a:T,b:T & T==[2]u64} = emit{T, '_mm_unpacklo_epi64', a, b}
|
||||
|
||||
def loadl{a:T, n & w128i{eltype{T} }} = emit{eltype{T}, '_mm_loadu_si64', a+n}
|
||||
def storel{a:T, n, v & w128i{eltype{T} }} = emit{void, '_mm_storeu_si64', a+n, v}
|
||||
|
||||
clmul_scan_ne_any(x:*void, r:*void, init:u64, words:u64, mark:u64) : void = {
|
||||
def V = [2]u64
|
||||
m := broadcast{V, mark}
|
||||
def xor64{a, i, carry} = { # carry is 64-bit broadcasted current total
|
||||
p := clmul{a, m, i}
|
||||
t := shr{[16]u8, p, 8}
|
||||
s := p ^ carry
|
||||
carry = s ^ t
|
||||
s
|
||||
}
|
||||
xv := *V ~~ x
|
||||
rv := *V ~~ r
|
||||
e := words/2;
|
||||
c := broadcast{V, init}
|
||||
@for (rv, xv over e) {
|
||||
rv = apply{unpacklo, (@collect (j to 2) xor64{xv, j, c})}
|
||||
}
|
||||
if (words & 1) {
|
||||
storel{rv,e, clmul{loadl{xv,e}, m, 0} ^ c}
|
||||
}
|
||||
}
|
||||
clmul_scan_ne_bit(init:u64, x:*u64, r:*u64, ia:u64) : void = {
|
||||
clmul_scan_ne_any(*void~~x, *void~~r, init, ia, -(u64~~1))
|
||||
}
|
||||
'clmul_scan_ne' = clmul_scan_ne_bit
|
||||
@ -48,4 +48,4 @@ slash1{F, T, iota, add}(w:*u64, r:*T, l:u64) : void = {
|
||||
'bmipopc_2slash8' = slash2{comp8, i8}
|
||||
'bmipopc_2slash16' = slash2{comp16, i16}
|
||||
'bmipopc_1slash8' = slash1{comp8, i8, 0x0706050403020100, 0x0808080808080808}
|
||||
'bmipopc_1slash16' = slash1{comp16, i16, 0x0003000200010000, 0x0004000400040004}
|
||||
'bmipopc_1slash16' = slash1{comp16, i16, 0x0003000200010000, 0x0004000400040004}
|
||||
|
||||
@ -97,6 +97,9 @@ def __shr{a:T,b & w128s{T, 16} & knum{b}} = emit{T, '_mm_srai_epi16', a, b}
|
||||
def __shr{a:T,b & w128s{T, 32} & knum{b}} = emit{T, '_mm_srai_epi32', a, b}
|
||||
# no 64-bit arithmetic shift :/
|
||||
|
||||
def shl{S==[16]u8, x:T, n & w128{T}} = T ~~ emit{T, '_mm_bslli_si128', x, n}
|
||||
def shr{S==[16]u8, x:T, n & w128{T}} = T ~~ emit{T, '_mm_bsrli_si128', x, n}
|
||||
|
||||
def min{a:T,b:T & T==[ 8]i16} = emit{T, '_mm_min_epi16', a, b}; def max{a:T,b:T & T==[ 8]i16} = emit{T, '_mm_max_epi16', a, b}
|
||||
def min{a:T,b:T & T==[16]u8 } = emit{T, '_mm_min_epu8', a, b}; def max{a:T,b:T & T==[16]u8 } = emit{T, '_mm_max_epu8', a, b}
|
||||
|
||||
@ -174,4 +177,4 @@ def __eq{a:T,b:T & T==[ 2]u64} = emit{[ 2]u64, '_mm_cmpeq_epi64', a, b}
|
||||
|
||||
|
||||
# SSE4.2
|
||||
def __gt{a:T,b:T & T==[ 2]i64} = emit{[ 2]u64, '_mm_cmpgt_epi64', a, b}
|
||||
def __gt{a:T,b:T & T==[ 2]i64} = emit{[ 2]u64, '_mm_cmpgt_epi64', a, b}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user