Never use generic dense compress methods if use_table: where is faster
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@ -479,10 +479,15 @@ static B compress(B w, B x, usz wia, u8 xl, u8 xt) {
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TFREE(buf)
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#define COMPRESS_BLOCK(T) COMPRESS_BLOCK_PREP(T, )
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#define WITH_SPARSE(W, CUTOFF, DENSE) { \
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i##W *xp=tyany_ptr(x), *rp; \
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if (wsum<wia/CUTOFF) { rp=m_tyarrv(&r,W/8,wsum,xt); COMPRESS_BLOCK(i##W); } \
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else if (groups_lt(wp,wia, wia/128)) r = compress_grouped(wp, x, wia, wsum, xt); \
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else { DENSE; } \
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i##W *xp=tyany_ptr(x), *rp; \
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if (CUTOFF!=1) { \
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if (wsum<wia/CUTOFF) { rp=m_tyarrv(&r,W/8,wsum,xt); COMPRESS_BLOCK(i##W); } \
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else if (groups_lt(wp,wia, wia/128)) r = compress_grouped(wp, x, wia, wsum, xt); \
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else { DENSE; } \
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} else { \
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if (wsum>=wia/8 && groups_lt(wp,wia, wia/W)) r = compress_grouped(wp, x, wia, wsum, xt); \
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else { rp=m_tyarrv(&r,W/8,wsum,xt); COMPRESS_BLOCK(i##W); } \
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} \
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break; }
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#if SINGELI
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#define DO(W) \
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@ -95,7 +95,8 @@ def for_special_buffered{r, write_len}{vars,begin,sum,iter} = {
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}
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# Assumes w is trimmed, so the last 1 appears at index l-1
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def thresh{c, T} = 2
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def fast_where = hasarch{'X86_64'} & use_table
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def thresh{c, T} = if (fast_where) 1 else 2
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fn slash{c, T}(w:*u64, x:arg{c,T}, r:*T, l:u64, sum:u64) : void = {
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def bitp_get{arr, n} = (load{arr,n>>6} >> (n&63)) & 1
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@for (i to l) {
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@ -133,7 +134,9 @@ def topper{T, U, k, x} = {
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tup{top, inc}
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}
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def thresh{c, T & hasarch{'X86_64'} & T<=(if (c) i8 else i32)} = 4
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def thresh{c, T & hasarch{'X86_64'} & T<=(if (c) i8 else i32)} = {
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if (fast_where) 1 else 4
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}
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fn slash{c, T & hasarch{'X86_64'} & T<=(if (c) i8 else i32)}(w:*u64, x:arg{c,T}, r:*T, l:u64, sum:u64) : void = {
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def U = [16]u8
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k1 := U**1
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@ -248,9 +251,9 @@ fn slash{c==0, T & (if (T==i8) use_table else T==i16)}(w:*u64, x:arg{c,T}, r:*T,
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}
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}
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def thresh{c==0, T==i16 & hasarch{'X86_64'}} = 32
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def thresh{c==0, T==i32 & hasarch{'X86_64'}} = 16
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fn slash{c==0, T & hasarch{'X86_64'} & i16<=T & T<=i32}(w:*u64, x:arg{c,T}, r:*T, l:u64, sum:u64) : void = {
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def thresh{c==0, T==i16 & hasarch{'X86_64'} & use_table} = 32
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def thresh{c==0, T==i32 & hasarch{'X86_64'} & use_table} = 16
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fn slash{c==0, T & hasarch{'X86_64'} & use_table & i16<=T & T<=i32}(w:*u64, x:arg{c,T}, r:*T, l:u64, sum:u64) : void = {
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def I = [16]i8
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j := I**(if (T==i16) 0 else cast_i{i8,x})
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def {top, inctop} = topper{T, I, 8, x}
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