we need like 3-5x more space organizations lifting stuff and developing tech for long-term space travel. jeffy b and the muskrat don’t cut it. are we really going to let imperials take the first serious steps into space?
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@xuu Re CPU usage of the
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lextwt branch. There's a noticeable ~2x increase in CPU usage across the board since I deployed this at ~16.30pm (AEST).
@prologic@twtxt.net That is strange.. i wonder if there is another change that is causing it. Benchmarks are thinking the other way :|
BenchmarkAll/retwt-16 1 4940172200 ns/op 587319376 B/op 2587159 allocs/op
BenchmarkAll/lextwt-16 1 775764020 ns/op 9223088 B/op 197557 allocs/op
BenchmarkParse/retwt-16 1 591158277 ns/op 67539096 B/op 230841 allocs/op
BenchmarkParse/lextwt-16 1 716961837 ns/op 5450448 B/op 130290 allocs/op
BenchmarkOutput/retwt-html-16 1 8358103017 ns/op 918709168 B/op 4692292 allocs/op
BenchmarkOutput/lextwt-html-16 1 822033267 ns/op 14280112 B/op 261795 allocs/op
BenchmarkOutput/retwt-markdown-16 1 8114225415 ns/op 929928384 B/op 4693004 allocs/op
BenchmarkOutput/lextwt-markdown-16 1 806554306 ns/op 14332608 B/op 270905 allocs/op
BenchmarkOutput/retwt-text-16 1 8098215897 ns/op 923862192 B/op 4684739 allocs/op
BenchmarkOutput/lextwt-text-16 1 745064673 ns/op 12689784 B/op 252476 allocs/op
BenchmarkOutput/retwt-literal-16 1 4068799822 ns/op 409517880 B/op 2372471 allocs/op
BenchmarkOutput/lextwt-literal-16 1 754793627 ns/op 9834520 B/op 214931 allocs/op
;add(p,p);cswap(p,q,b);}}sv scalarbase(gf p[4],const u8*s){gf q[4];set25519(q[0],X);set25519(q[1],Y);set25519(q[2],gf1);M(q[3],X,Y);
p[1],h,g);M(p[2],g,f);M(p[3],e,h);}sv cswap(gf p[4],gf q[4],u8 b){int i;FOR(i,4)sel25519(p[i],q[i],b);}sv pack(u8*r,gf p[4]){gf tx,ty,zi;
+Ch(a[4],a[5],a[6])+K[i]+w[i%16];b[7]=t+Sigma0(a[0])+Maj(a[0],a[1],a[2]);b[3]+=t;FOR(j,8)a[(j+1)%8]=b[j];if(i%16==15)FOR(j,16)w[j]+=w[
2014-04-27T16:21:09 (j+9)%16]+sigma0(w[(j+1)%16])+sigma1(w[(j+14)%16]);}FOR(i,8){a[i]+=z[i];z[i]=a[i];}m+=128;n-=128;}FOR(i,8)ts64(x+8*i,z[i]);return n;}static
1);FOR(i,16){t=c&(p[i]^q[i]);p[i]^=t;q[i]^=t;}}sv pack25519(u8*o,const gf n){int i,j,b;gf m,t;FOR(i,16)t[i]=n[i];car25519(t);car25519(t);
]=iv[i];crypto_hashblocks(h,m,n);m+=n;n&=127;m-=n;FOR(i,256)x[i]=0;FOR(i,n)x[i]=m[i];x[n]=128;n=256-128*(n<112);x[n-9]=b>>61;ts64(x+n-8,b<<3
;b=(m[15]>>16)&1;m[14]&=0xffff;sel25519(t,m,1-b);}FOR(i,16){o[2*i]=t[i]ÿo[2*i+1]=t[i]>>8;}}static int neq25519(const gf a,const gf b){
,k,sigma);FOR(i,64)c[i]=(m?m[i]:0)^x[i];u=1;for(i=8;i<16;++i){u+=(u32)z[i];z[i]=u;u>>=8;}b-=64;c+=64;if(m)m+=64;}if(b){crypto_core_salsa20(x
);crypto_hashblocks(h,x,n);FOR(i,64)out[i]=h[i];return 0;}sv add(gf p[4],gf q[4]){gf a,b,c,d,t,e,f,g,h;Z(a,p[1],p[0]);Z(t,q[1],q[0]);M(a,a,t
unpack25519(x,p);FOR(i,16){b[i]=x[i];d[i]=a[i]=c[i]=0;}a[0]=d[0]=1;for(i=254;i>=0;–i){r=(z[i>>3]>>(i&7))&1;sel25519(a,b,r);sel25519(c,d,r);
crypto_scalarmult(u8*q,const u8*n,const u8*p){u8 z[32];i64 x[80],r,i;gf a,b,c,d,e,f;FOR(i,31)z[i]=n[i];z[31]=(n[31]&127)|64;z[0]&=248;
31)t[i]=0;FOR(i,16)FOR(j,16)t[i+j]+=a[i]*b[j];FOR(i,15)t[i]+=38*t[i+16];FOR(i,16)o[i]=t[i];car25519(o);car25519(o);}sv S(gf o,const gf a){M(
0xfb,0x41,0xbd,0x6b,0x5b,0xe0,0xcd,0x19,0x13,0x7e,0x21,0x79};int crypto_hash(u8*out,const u8*m,u64 n){u8 h[64],x[256];u64 i,b=n;FOR(i,64)h[i
0x4cc5d4becb3e42b6ULL,0x597f299cfc657e2aULL,0x5fcb6fab3ad6faecULL,0x6c44198c4a475817ULL};int crypto_hashblocks(u8*x,const u8*m,u64 n){u64 z[
2014-04-27T16:21:09 8],b[8],a[8],w[16],t;int i,j;FOR(i,8)z[i]=a[i]=dl64(x+8*i);while(n>=128){FOR(i,16)w[i]=dl64(m+8*i);FOR(i,80){FOR(j,8)b[j]=a[j];t=a[7]+Sigma1
,z,k,sigma);FOR(i,b)c[i]=(m?m[i]:0)^x[i];}return 0;}int crypto_stream_salsa20(u8*c,u64 d,const u8*n,const u8*k){return
i;i64 c;FOR(i,16){o[i]+=(1LL<<16);c=o[i]>>16;o[(i+1)(i<15)]+=c-1+37(c-1)*(i==15);o[i]-=c<<16;}}sv sel25519(gf p,gf q,int b){i64 t,i,c=~(b-
A(e,a,c);Z(a,a,c);A(c,b,d);Z(b,b,d);S(d,e);S(f,a);M(a,c,a);M(c,b,e);A(e,a,c);Z(a,a,c);S(b,a);Z(c,d,f);M(a,c,_121665);A(a,a,d);M(c,c,a);M(a,d
*m,u64 b,const u8*n,const u8*k){u8 z[16],x[64];u32 u,i;if(!b)return 0;FOR(i,16)z[i]=0;FOR(i,8)z[i]=n[i];while(b>=64){crypto_core_salsa20(x,z
set25519(p[0],gf0);set25519(p[1],gf1);set25519(p[2],gf1);set25519(p[3],gf0);for(i=255;i>=0;–i){u8 b=(s[i/8]>>(i&7))&1;cswap(p,q,b);add(q,p)
);A(b,p[0],p[1]);A(t,q[0],q[1]);M(b,b,t);M(c,p[3],q[3]);M(c,c,D2);M(d,p[2],q[2]);A(d,d,d);Z(e,b,a);Z(f,d,c);A(g,d,c);A(h,b,a);M(p[0],e,f);M(
]&1;}sv unpack25519(gf o,const u8*n){int i;FOR(i,16)o[i]=n[2*i]+((i64)n[2*i+1]<);o[15]&=0x7fff;}sv A(gf o,const gf a,const gf b){int i;FOR
u8 c[32],d[32];pack25519(c,a);pack25519(d,b);return crypto_verify_32(c,d);}static u8 par25519(const gf a){u8 d[32];pack25519(d,a);return d[0
,f);M(d,b,x);S(b,e);sel25519(a,b,r);sel25519(c,d,r);}FOR(i,16){x[i+16]=a[i];x[i+32]=c[i];x[i+48]=b[i];x[i+64]=d[i];}inv25519(x+32,x+32);M(x+
o[i]=a[i]+b[i];}sv Z(gf o,const gf a,const gf b){int i;FOR(i,16)o[i]=a[i]-b[i];}sv M(gf o,const gf a,const gf b){i64 i,j,t[31];FOR(i,