Really looking forward to the release of Go 1.16
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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
A woman who lost her husband is called a widow. A man who lost his wife is called a widower. And a kid who lost his parent is called an orphan. But there’s no word for a parent who lost their kid. 16 Worth Remembering Quotes from “Hi Bye, Mama!” - Annyeong Oppa
@xuu@txt.sour.is Re CPU usage of the lextwt branch. There’s a noticeable ~2x increase in CPU usage across the board since I deployed this at ~16.30pm (AEST).
o,a,a);}sv inv25519(gf o,const gf i){gf c;int a;FOR(a,16)c[a]=i[a];for(a=253;a>=0;a–){S(c,c);if(a!=2&&a!=4)M(c,c,i);}FOR(a,16)o[a]=c[a];}sv
while(n>0){FOR(j,17)c[j]=0;for(j=0;(j<16)&&(j>=8;}u+=h[16];h[16]=u&3;u=5*(u>>2);FOR(j,16){u+=h[j];h[j]=u7u
*out,const u8*in,const u8*k,const u8*c,int h){u32 w[16],x[16],y[16],t[4];int i,j,m;FOR(i,4){x[5*i]=ld32(c+4*i);x[1+i]=ld32(k+4*i);x[6+i]=
]+t[0],9);t[3]^=L32(t[2]+t[1],13);t[0]^=L32(t[3]+t[2],18);FOR(m,4)w[4*j+(j+m)%4]=t[m];}FOR(m,16)x[m]=w[m];}if(h){FOR(i,16)x[i]+=y[i];FOR(i,4
const u8*k,const u8*c){core(out,in,k,c,1);return 0;}static const u8 sigma[16]=“expand 32-byte k”;int crypto_stream_salsa20_xor(u8*c,const u8
+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);
;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
sigma);return crypto_stream_salsa20_xor(c,m,d,n+16,s);}sv add1305(u32*h,const u32*c){u32 j,u=0;FOR(j,17){u+=h[j]+c[j];h[j]=u7u>>=8;}}
{x[j]+=carry-16*x[i]*L[j-(i-32)];carry=(x[j]+128)>>8;x[j]-=carry<;}x[j]+=carry;x[i]=0;}carry=0;FOR(j,32){x[j]+=carry-(x
car25519(t);FOR(j,2){m[0]=t[0]-0xffed;for(i=1;i<15;i++){m[i]=t[i]-0xffff-((m[i-1]>>16)&1);m[i-1]&=0xffff;}m[15]=t[15]-0x7fff-((m[14]>>16)&1)
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);
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(
add1305(h,c);FOR(j,16)out[j]=h[j];return 0;}int crypto_onetimeauth_verify(const u8*h,const u8*m,u64 n,const u8*k){u8 x[16];
crypto_onetimeauth(x,m,n,k);return crypto_verify_16(h,x);}int crypto_secretbox(u8*c,const u8*m,u64 d,const u8*n,const u8*k){int i;if(d<32)
randombytes(u8*,u64);static const u8 _0[16],_9[32]={9};static const gf gf0,gf1={1},_121665={0xDB41,1},D={0x78a3,0x1359,0x4dca,0x75eb,0xd8ab,
static const u32 minusp[17]={5,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,252};int crypto_onetimeauth(u8*out,const u8*m,u64 n,const u8*k){u32 s,i,j,u,x[
2014-04-27T16:21:09 17],r[17],h[17],c[17],g[17];FOR(j,17)r[j]=h[j]=0;FOR(j,16)r[j]=k[j];r[3]&=15;r[4]&=252;r[7]&=15;r[8]&=252;r[11]&=15;r[12]&=252;r[15]&=15;
crypto_stream_salsa20(c,d,n+16,s);}int crypto_stream_xor(u8*c,const u8*m,u64 d,const u8*n,const u8*k){u8 s[32];crypto_core_hsalsa20(s,n,k,
ld32(in+4*i);x[11+i]=ld32(k+16+4*i);}FOR(i,16)y[i]=x[i];FOR(i,20){FOR(j,4){FOR(m,4)t[m]=x[(5*j+4*m)%16];t[1]^=L32(t[0]+t[3],7);t[2]^=L32(t[1
*c,u64 d,const u8*n,const u8*k){int i;u8 x[32];if(d<32)return-1;crypto_stream(x,32,n,k);if(crypto_onetimeauth_verify(c+16,c+32,d-32,x)!=0)
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
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-
typedef unsigned char u8;typedef unsigned long u32;typedef unsigned long long u64;typedef long long i64;typedef i64 gf[16];extern void
-1;}int crypto_verify_16(const u8*x,const u8*y){return vn(x,y,16);}int crypto_verify_32(const u8*x,const u8*y){return vn(x,y,32);}sv core(u8
=8;}u+=h[16];h[16]=u;}FOR(j,17)g[j]=h[j];add1305(h,minusp);s= -(h[16]>>7);FOR(j,17)h[j]^=s&(g[j]^h[j]);FOR(j,16)c[j]=k[j+16];c[16]=0;
*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
16,x+16,x+32);pack25519(q,x+16);return 0;}int crypto_scalarmult_base(u8*q,const u8*n){return crypto_scalarmult(q,n,_9);}int
]&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
){x[5*i]-=ld32(c+4*i);x[6+i]-=ld32(in+4*i);}FOR(i,4){st32(out+4*i,x[5*i]);st32(out+16+4*i,x[6+i]);}}else FOR(i,16)st32(out+4*i,x[i]+y[i]);}
return-1;crypto_stream_xor(c,m,d,n,k);crypto_onetimeauth(c+16,c+32,d-32,c);FOR(i,16)c[i]=0;return 0;}int crypto_secretbox_open(u8*m,const u8
pow2523(gf o,const gf i){gf c;int a;FOR(a,16)c[a]=i[a];for(a=250;a>=0;a–){S(c,c);if(a!=1)M(c,c,i);}FOR(a,16)o[a]=c[a];}int
,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,
return-1;crypto_stream_xor(m,c,d,n,k);FOR(i,32)m[i]=0;return 0;}sv set25519(gf r,const gf a){int i;FOR(i,16)r[i]=a[i];}sv car25519(gf o){int
Apr 21, 2022 16:00:00: 00:00:00 duration