Benchmark: BigNumber.js Shiftby vs. Divide

HTML Preparation code:

<script>
  !function(e){"use strict";var r,L=/^-?(?:\d+(?:\.\d*)?|\.\d+)(?:e[+-]?\d+)?$/i,B=Math.ceil,T=Math.floor,U="[BigNumber Error] ",I=U+"Number primitive has more than 15 significant digits: ",C=1e14,M=14,G=9007199254740991,F=[1,10,100,1e3,1e4,1e5,1e6,1e7,1e8,1e9,1e10,1e11,1e12,1e13],k=1e7,q=1e9;function j(e){var r=0|e;return 0<e||e===r?r:r-1}function $(e){for(var r,n,t=1,i=e.length,o=e[0]+"";t<i;){for(r=e[t++]+"",n=M-r.length;n--;r="0"+r);o+=r}for(i=o.length;48===o.charCodeAt(--i););return o.slice(0,i+1||1)}function z(e,r){var n,t,i=e.c,o=r.c,s=e.s,f=r.s,u=e.e,l=r.e;if(!s||!f)return null;if(n=i&&!i[0],t=o&&!o[0],n||t)return n?t?0:-f:s;if(s!=f)return s;if(n=s<0,t=u==l,!i||!o)return t?0:!i^n?1:-1;if(!t)return l<u^n?1:-1;for(f=(u=i.length)<(l=o.length)?u:l,s=0;s<f;s++)if(i[s]!=o[s])return i[s]>o[s]^n?1:-1;return u==l?0:l<u^n?1:-1}function H(e,r,n,t){if(e<r||n<e||e!==(e<0?B(e):T(e)))throw Error(U+(t||"Argument")+("number"==typeof e?e<r||n<e?" out of range: ":" not an integer: ":" not a primitive number: ")+String(e))}function V(e){var r=e.c.length-1;return j(e.e/M)==r&&e.c[r]%2!=0}function W(e,r){return(1<e.length?e.charAt(0)+"."+e.slice(1):e)+(r<0?"e":"e+")+r}function X(e,r,n){var t,i;if(r<0){for(i=n+".";++r;i+=n);e=i+e}else if(++r>(t=e.length)){for(i=n,r-=t;--r;i+=n);e+=i}else r<t&&(e=e.slice(0,r)+"."+e.slice(r));return e}(r=function e(r){var v,a,h,n,l,s,f,u,c,p,t=_.prototype={constructor:_,toString:null,valueOf:null},w=new _(1),y=20,N=4,g=-7,i=21,m=-1e7,d=1e7,O=!1,o=1,b=0,E={prefix:"",groupSize:3,secondaryGroupSize:0,groupSeparator:",",decimalSeparator:".",fractionGroupSize:0,fractionGroupSeparator:" ",suffix:""},A="0123456789abcdefghijklmnopqrstuvwxyz";function _(e,r){var n,t,i,o,s,f,u,l,c=this;if(!(c instanceof _))return new _(e,r);if(null==r){if(e instanceof _)return c.s=e.s,c.e=e.e,void(c.c=(e=e.c)?e.slice():e);if((f="number"==typeof e)&&0*e==0){if(c.s=1/e<0?(e=-e,-1):1,e===~~e){for(o=0,s=e;10<=s;s/=10,o++);return c.e=o,void(c.c=[e])}l=String(e)}else{if(l=String(e),!L.test(l))return h(c,l,f);c.s=45==l.charCodeAt(0)?(l=l.slice(1),-1):1}-1<(o=l.indexOf("."))&&(l=l.replace(".","")),0<(s=l.search(/e/i))?(o<0&&(o=s),o+=+l.slice(s+1),l=l.substring(0,s)):o<0&&(o=l.length)}else{if(H(r,2,A.length,"Base"),l=String(e),10==r)return x(c=new _(e instanceof _?e:l),y+c.e+1,N);if(f="number"==typeof e){if(0*e!=0)return h(c,l,f,r);if(c.s=1/e<0?(l=l.slice(1),-1):1,_.DEBUG&&15<l.replace(/^0\.0*|\./,"").length)throw Error(I+e);f=!1}else c.s=45===l.charCodeAt(0)?(l=l.slice(1),-1):1;for(n=A.slice(0,r),o=s=0,u=l.length;s<u;s++)if(n.indexOf(t=l.charAt(s))<0){if("."==t){if(o<s){o=u;continue}}else if(!i&&(l==l.toUpperCase()&&(l=l.toLowerCase())||l==l.toLowerCase()&&(l=l.toUpperCase()))){i=!0,s=-1,o=0;continue}return h(c,String(e),f,r)}-1<(o=(l=a(l,r,10,c.s)).indexOf("."))?l=l.replace(".",""):o=l.length}for(s=0;48===l.charCodeAt(s);s++);for(u=l.length;48===l.charCodeAt(--u););if(l=l.slice(s,++u)){if(u-=s,f&&_.DEBUG&&15<u&&(G<e||e!==T(e)))throw Error(I+c.s*e);if(d<(o=o-s-1))c.c=c.e=null;else if(o<m)c.c=[c.e=0];else{if(c.e=o,c.c=[],s=(o+1)%M,o<0&&(s+=M),s<u){for(s&&c.c.push(+l.slice(0,s)),u-=M;s<u;)c.c.push(+l.slice(s,s+=M));l=l.slice(s),s=M-l.length}else s-=u;for(;s--;l+="0");c.c.push(+l)}}else c.c=[c.e=0]}function S(e,r,n,t){var i,o,s,f,u;if(null==n?n=N:H(n,0,8),!e.c)return e.toString();if(i=e.c[0],s=e.e,null==r)u=$(e.c),u=1==t||2==t&&s<=g?W(u,s):X(u,s,"0");else if(o=(e=x(new _(e),r,n)).e,f=(u=$(e.c)).length,1==t||2==t&&(r<=o||o<=g)){for(;f<r;u+="0",f++);u=W(u,o)}else if(r-=s,u=X(u,o,"0"),f<o+1){if(0<--r)for(u+=".";r--;u+="0");}else if(0<(r+=o-f))for(o+1==f&&(u+=".");r--;u+="0");return e.s<0&&i?"-"+u:u}function R(e,r){for(var n,t=1,i=new _(e[0]);t<e.length;t++){if(!(n=new _(e[t])).s){i=n;break}r.call(i,n)&&(i=n)}return i}function P(e,r,n){for(var t=1,i=r.length;!r[--i];r.pop());for(i=r[0];10<=i;i/=10,t++);return(n=t+n*M-1)>d?e.c=e.e=null:e.c=n<m?[e.e=0]:(e.e=n,r),e}function x(e,r,n,t){var i,o,s,f,u,l,c,a=e.c,h=F;if(a){e:{for(i=1,f=a[0];10<=f;f/=10,i++);if((o=r-i)<0)o+=M,s=r,c=(u=a[l=0])/h[i-s-1]%10|0;else if((l=B((o+1)/M))>=a.length){if(!t)break e;for(;a.length<=l;a.push(0));u=c=0,s=(o%=M)-M+(i=1)}else{for(u=f=a[l],i=1;10<=f;f/=10,i++);c=(s=(o%=M)-M+i)<0?0:u/h[i-s-1]%10|0}if(t=t||r<0||null!=a[l+1]||(s<0?u:u%h[i-s-1]),t=n<4?(c||t)&&(0==n||n==(e.s<0?3:2)):5<c||5==c&&(4==n||t||6==n&&(0<o?0<s?u/h[i-s]:0:a[l-1])%10&1||n==(e.s<0?8:7)),r<1||!a[0])return a.length=0,t?(r-=e.e+1,a[0]=h[(M-r%M)%M],e.e=-r||0):a[0]=e.e=0,e;if(0==o?(a.length=l,f=1,l--):(a.length=l+1,f=h[M-o],a[l]=0<s?T(u/h[i-s]%h[s])*f:0),t)for(;;){if(0==l){for(o=1,s=a[0];10<=s;s/=10,o++);for(s=a[0]+=f,f=1;10<=s;s/=10,f++);o!=f&&(e.e++,a[0]==C&&(a[0]=1));break}if(a[l]+=f,a[l]!=C)break;a[l--]=0,f=1}for(o=a.length;0===a[--o];a.pop());}e.e>d?e.c=e.e=null:e.e<m&&(e.c=[e.e=0])}return e}function D(e){var r,n=e.e;return null===n?e.toString():(r=$(e.c),r=n<=g||i<=n?W(r,n):X(r,n,"0"),e.s<0?"-"+r:r)}return _.clone=e,_.ROUND_UP=0,_.ROUND_DOWN=1,_.ROUND_CEIL=2,_.ROUND_FLOOR=3,_.ROUND_HALF_UP=4,_.ROUND_HALF_DOWN=5,_.ROUND_HALF_EVEN=6,_.ROUND_HALF_CEIL=7,_.ROUND_HALF_FLOOR=8,_.EUCLID=9,_.config=_.set=function(e){var r,n;if(null!=e){if("object"!=typeof e)throw Error(U+"Object expected: "+e);if(e.hasOwnProperty(r="DECIMAL_PLACES")&&(H(n=e[r],0,q,r),y=n),e.hasOwnProperty(r="ROUNDING_MODE")&&(H(n=e[r],0,8,r),N=n),e.hasOwnProperty(r="EXPONENTIAL_AT")&&((n=e[r])&&n.pop?(H(n[0],-q,0,r),H(n[1],0,q,r),g=n[0],i=n[1]):(H(n,-q,q,r),g=-(i=n<0?-n:n))),e.hasOwnProperty(r="RANGE"))if((n=e[r])&&n.pop)H(n[0],-q,-1,r),H(n[1],1,q,r),m=n[0],d=n[1];else{if(H(n,-q,q,r),!n)throw Error(U+r+" cannot be zero: "+n);m=-(d=n<0?-n:n)}if(e.hasOwnProperty(r="CRYPTO")){if((n=e[r])!==!!n)throw Error(U+r+" not true or false: "+n);if(n){if("undefined"==typeof crypto||!crypto||!crypto.getRandomValues&&!crypto.randomBytes)throw O=!n,Error(U+"crypto unavailable");O=n}else O=n}if(e.hasOwnProperty(r="MODULO_MODE")&&(H(n=e[r],0,9,r),o=n),e.hasOwnProperty(r="POW_PRECISION")&&(H(n=e[r],0,q,r),b=n),e.hasOwnProperty(r="FORMAT")){if("object"!=typeof(n=e[r]))throw Error(U+r+" not an object: "+n);E=n}if(e.hasOwnProperty(r="ALPHABET")){if("string"!=typeof(n=e[r])||/^.$|[+-.\s]|(.).*\1/.test(n))throw Error(U+r+" invalid: "+n);A=n}}return{DECIMAL_PLACES:y,ROUNDING_MODE:N,EXPONENTIAL_AT:[g,i],RANGE:[m,d],CRYPTO:O,MODULO_MODE:o,POW_PRECISION:b,FORMAT:E,ALPHABET:A}},_.isBigNumber=function(e){return e instanceof _||e&&!0===e._isBigNumber||!1},_.maximum=_.max=function(){return R(arguments,t.lt)},_.minimum=_.min=function(){return R(arguments,t.gt)},_.random=(n=9007199254740992,l=Math.random()*n&2097151?function(){return T(Math.random()*n)}:function(){return 8388608*(1073741824*Math.random()|0)+(8388608*Math.random()|0)},function(e){var r,n,t,i,o,s=0,f=[],u=new _(w);if(null==e?e=y:H(e,0,q),i=B(e/M),O)if(crypto.getRandomValues){for(r=crypto.getRandomValues(new Uint32Array(i*=2));s<i;)9e15<=(o=131072*r[s]+(r[s+1]>>>11))?(n=crypto.getRandomValues(new Uint32Array(2)),r[s]=n[0],r[s+1]=n[1]):(f.push(o%1e14),s+=2);s=i/2}else{if(!crypto.randomBytes)throw O=!1,Error(U+"crypto unavailable");for(r=crypto.randomBytes(i*=7);s<i;)9e15<=(o=281474976710656*(31&r[s])+1099511627776*r[s+1]+4294967296*r[s+2]+16777216*r[s+3]+(r[s+4]<<16)+(r[s+5]<<8)+r[s+6])?crypto.randomBytes(7).copy(r,s):(f.push(o%1e14),s+=7);s=i/7}if(!O)for(;s<i;)(o=l())<9e15&&(f[s++]=o%1e14);for(i=f[--s],e%=M,i&&e&&(o=F[M-e],f[s]=T(i/o)*o);0===f[s];f.pop(),s--);if(s<0)f=[t=0];else{for(t=-1;0===f[0];f.splice(0,1),t-=M);for(s=1,o=f[0];10<=o;o/=10,s++);s<M&&(t-=M-s)}return u.e=t,u.c=f,u}),_.sum=function(){for(var e=1,r=arguments,n=new _(r[0]);e<r.length;)n=n.plus(r[e++]);return n},a=function(){var m="0123456789";function d(e,r,n,t){for(var i,o,s=[0],f=0,u=e.length;f<u;){for(o=s.length;o--;s[o]*=r);for(s[0]+=t.indexOf(e.charAt(f++)),i=0;i<s.length;i++)s[i]>n-1&&(null==s[i+1]&&(s[i+1]=0),s[i+1]+=s[i]/n|0,s[i]%=n)}return s.reverse()}return function(e,r,n,t,i){var o,s,f,u,l,c,a,h,p=e.indexOf("."),g=y,w=N;for(0<=p&&(u=b,b=0,e=e.replace(".",""),c=(h=new _(r)).pow(e.length-p),b=u,h.c=d(X($(c.c),c.e,"0"),10,n,m),h.e=h.c.length),f=u=(a=d(e,r,n,i?(o=A,m):(o=m,A))).length;0==a[--u];a.pop());if(!a[0])return o.charAt(0);if(p<0?--f:(c.c=a,c.e=f,c.s=t,a=(c=v(c,h,g,w,n)).c,l=c.r,f=c.e),p=a[s=f+g+1],u=n/2,l=l||s<0||null!=a[s+1],l=w<4?(null!=p||l)&&(0==w||w==(c.s<0?3:2)):u<p||p==u&&(4==w||l||6==w&&1&a[s-1]||w==(c.s<0?8:7)),s<1||!a[0])e=l?X(o.charAt(1),-g,o.charAt(0)):o.charAt(0);else{if(a.length=s,l)for(--n;++a[--s]>n;)a[s]=0,s||(++f,a=[1].concat(a));for(u=a.length;!a[--u];);for(p=0,e="";p<=u;e+=o.charAt(a[p++]));e=X(e,f,o.charAt(0))}return e}}(),v=function(){function S(e,r,n){var t,i,o,s,f=0,u=e.length,l=r%k,c=r/k|0;for(e=e.slice();u--;)f=((i=l*(o=e[u]%k)+(t=c*o+(s=e[u]/k|0)*l)%k*k+f)/n|0)+(t/k|0)+c*s,e[u]=i%n;return f&&(e=[f].concat(e)),e}function R(e,r,n,t){var i,o;if(n!=t)o=t<n?1:-1;else for(i=o=0;i<n;i++)if(e[i]!=r[i]){o=e[i]>r[i]?1:-1;break}return o}function P(e,r,n,t){for(var i=0;n--;)e[n]-=i,i=e[n]<r[n]?1:0,e[n]=i*t+e[n]-r[n];for(;!e[0]&&1<e.length;e.splice(0,1));}return function(e,r,n,t,i){var o,s,f,u,l,c,a,h,p,g,w,m,d,v,y,N,O,b=e.s==r.s?1:-1,E=e.c,A=r.c;if(!(E&&E[0]&&A&&A[0]))return new _(e.s&&r.s&&(E?!A||E[0]!=A[0]:A)?E&&0==E[0]||!A?0*b:b/0:NaN);for(p=(h=new _(b)).c=[],b=n+(s=e.e-r.e)+1,i||(i=C,s=j(e.e/M)-j(r.e/M),b=b/M|0),f=0;A[f]==(E[f]||0);f++);if(A[f]>(E[f]||0)&&s--,b<0)p.push(1),u=!0;else{for(v=E.length,N=A.length,b+=2,1<(l=T(i/(A[f=0]+1)))&&(A=S(A,l,i),E=S(E,l,i),N=A.length,v=E.length),d=N,w=(g=E.slice(0,N)).length;w<N;g[w++]=0);O=A.slice(),O=[0].concat(O),y=A[0],A[1]>=i/2&&y++;do{if(l=0,(o=R(A,g,N,w))<0){if(m=g[0],N!=w&&(m=m*i+(g[1]||0)),1<(l=T(m/y)))for(i<=l&&(l=i-1),a=(c=S(A,l,i)).length,w=g.length;1==R(c,g,a,w);)l--,P(c,N<a?O:A,a,i),a=c.length,o=1;else 0==l&&(o=l=1),a=(c=A.slice()).length;if(a<w&&(c=[0].concat(c)),P(g,c,w,i),w=g.length,-1==o)for(;R(A,g,N,w)<1;)l++,P(g,N<w?O:A,w,i),w=g.length}else 0===o&&(l++,g=[0]);p[f++]=l,g[0]?g[w++]=E[d]||0:(g=[E[d]],w=1)}while((d++<v||null!=g[0])&&b--);u=null!=g[0],p[0]||p.splice(0,1)}if(i==C){for(f=1,b=p[0];10<=b;b/=10,f++);x(h,n+(h.e=f+s*M-1)+1,t,u)}else h.e=s,h.r=+u;return h}}(),s=/^(-?)0([xbo])(?=\w[\w.]*$)/i,f=/^([^.]+)\.$/,u=/^\.([^.]+)$/,c=/^-?(Infinity|NaN)$/,p=/^\s*\+(?=[\w.])|^\s+|\s+$/g,h=function(e,r,n,t){var i,o=n?r:r.replace(p,"");if(c.test(o))e.s=isNaN(o)?null:o<0?-1:1,e.c=e.e=null;else{if(!n&&(o=o.replace(s,function(e,r,n){return i="x"==(n=n.toLowerCase())?16:"b"==n?2:8,t&&t!=i?e:r}),t&&(i=t,o=o.replace(f,"$1").replace(u,"0.$1")),r!=o))return new _(o,i);if(_.DEBUG)throw Error(U+"Not a"+(t?" base "+t:"")+" number: "+r);e.c=e.e=e.s=null}},t.absoluteValue=t.abs=function(){var e=new _(this);return e.s<0&&(e.s=1),e},t.comparedTo=function(e,r){return z(this,new _(e,r))},t.decimalPlaces=t.dp=function(e,r){var n,t,i;if(null!=e)return H(e,0,q),null==r?r=N:H(r,0,8),x(new _(this),e+this.e+1,r);if(!(n=this.c))return null;if(t=((i=n.length-1)-j(this.e/M))*M,i=n[i])for(;i%10==0;i/=10,t--);return t<0&&(t=0),t},t.dividedBy=t.div=function(e,r){return v(this,new _(e,r),y,N)},t.dividedToIntegerBy=t.idiv=function(e,r){return v(this,new _(e,r),0,1)},t.exponentiatedBy=t.pow=function(e,r){var n,t,i,o,s,f,u,l,c=this;if((e=new _(e)).c&&!e.isInteger())throw Error(U+"Exponent not an integer: "+D(e));if(null!=r&&(r=new _(r)),s=14<e.e,!c.c||!c.c[0]||1==c.c[0]&&!c.e&&1==c.c.length||!e.c||!e.c[0])return l=new _(Math.pow(+D(c),s?2-V(e):+D(e))),r?l.mod(r):l;if(f=e.s<0,r){if(r.c?!r.c[0]:!r.s)return new _(NaN);(t=!f&&c.isInteger()&&r.isInteger())&&(c=c.mod(r))}else{if(9<e.e&&(0<c.e||c.e<-1||(0==c.e?1<c.c[0]||s&&24e7<=c.c[1]:c.c[0]<8e13||s&&c.c[0]<=9999975e7)))return o=c.s<0&&V(e)?-0:0,-1<c.e&&(o=1/o),new _(f?1/o:o);b&&(o=B(b/M+2))}for(u=s?(n=new _(.5),f&&(e.s=1),V(e)):(i=Math.abs(+D(e)))%2,l=new _(w);;){if(u){if(!(l=l.times(c)).c)break;o?l.c.length>o&&(l.c.length=o):t&&(l=l.mod(r))}if(i){if(0===(i=T(i/2)))break;u=i%2}else if(x(e=e.times(n),e.e+1,1),14<e.e)u=V(e);else{if(0==(i=+D(e)))break;u=i%2}c=c.times(c),o?c.c&&c.c.length>o&&(c.c.length=o):t&&(c=c.mod(r))}return t?l:(f&&(l=w.div(l)),r?l.mod(r):o?x(l,b,N,void 0):l)},t.integerValue=function(e){var r=new _(this);return null==e?e=N:H(e,0,8),x(r,r.e+1,e)},t.isEqualTo=t.eq=function(e,r){return 0===z(this,new _(e,r))},t.isFinite=function(){return!!this.c},t.isGreaterThan=t.gt=function(e,r){return 0<z(this,new _(e,r))},t.isGreaterThanOrEqualTo=t.gte=function(e,r){return 1===(r=z(this,new _(e,r)))||0===r},t.isInteger=function(){return!!this.c&&j(this.e/M)>this.c.length-2},t.isLessThan=t.lt=function(e,r){return z(this,new _(e,r))<0},t.isLessThanOrEqualTo=t.lte=function(e,r){return-1===(r=z(this,new _(e,r)))||0===r},t.isNaN=function(){return!this.s},t.isNegative=function(){return this.s<0},t.isPositive=function(){return 0<this.s},t.isZero=function(){return!!this.c&&0==this.c[0]},t.minus=function(e,r){var n,t,i,o,s=this,f=s.s;if(r=(e=new _(e,r)).s,!f||!r)return new _(NaN);if(f!=r)return e.s=-r,s.plus(e);var u=s.e/M,l=e.e/M,c=s.c,a=e.c;if(!u||!l){if(!c||!a)return c?(e.s=-r,e):new _(a?s:NaN);if(!c[0]||!a[0])return a[0]?(e.s=-r,e):new _(c[0]?s:3==N?-0:0)}if(u=j(u),l=j(l),c=c.slice(),f=u-l){for((i=(o=f<0)?(f=-f,c):(l=u,a)).reverse(),r=f;r--;i.push(0));i.reverse()}else for(t=(o=(f=c.length)<(r=a.length))?f:r,f=r=0;r<t;r++)if(c[r]!=a[r]){o=c[r]<a[r];break}if(o&&(i=c,c=a,a=i,e.s=-e.s),0<(r=(t=a.length)-(n=c.length)))for(;r--;c[n++]=0);for(r=C-1;f<t;){if(c[--t]<a[t]){for(n=t;n&&!c[--n];c[n]=r);--c[n],c[t]+=C}c[t]-=a[t]}for(;0==c[0];c.splice(0,1),--l);return c[0]?P(e,c,l):(e.s=3==N?-1:1,e.c=[e.e=0],e)},t.modulo=t.mod=function(e,r){var n,t,i=this;return e=new _(e,r),!i.c||!e.s||e.c&&!e.c[0]?new _(NaN):!e.c||i.c&&!i.c[0]?new _(i):(9==o?(t=e.s,e.s=1,n=v(i,e,0,3),e.s=t,n.s*=t):n=v(i,e,0,o),(e=i.minus(n.times(e))).c[0]||1!=o||(e.s=i.s),e)},t.multipliedBy=t.times=function(e,r){var n,t,i,o,s,f,u,l,c,a,h,p,g,w,m,d=this,v=d.c,y=(e=new _(e,r)).c;if(!(v&&y&&v[0]&&y[0]))return!d.s||!e.s||v&&!v[0]&&!y||y&&!y[0]&&!v?e.c=e.e=e.s=null:(e.s*=d.s,v&&y?(e.c=[0],e.e=0):e.c=e.e=null),e;for(t=j(d.e/M)+j(e.e/M),e.s*=d.s,(u=v.length)<(a=y.length)&&(g=v,v=y,y=g,i=u,u=a,a=i),i=u+a,g=[];i--;g.push(0));for(w=C,m=k,i=a;0<=--i;){for(n=0,h=y[i]%m,p=y[i]/m|0,o=i+(s=u);i<o;)n=((l=h*(l=v[--s]%m)+(f=p*l+(c=v[s]/m|0)*h)%m*m+g[o]+n)/w|0)+(f/m|0)+p*c,g[o--]=l%w;g[o]=n}return n?++t:g.splice(0,1),P(e,g,t)},t.negated=function(){var e=new _(this);return e.s=-e.s||null,e},t.plus=function(e,r){var n,t=this,i=t.s;if(r=(e=new _(e,r)).s,!i||!r)return new _(NaN);if(i!=r)return e.s=-r,t.minus(e);var o=t.e/M,s=e.e/M,f=t.c,u=e.c;if(!o||!s){if(!f||!u)return new _(i/0);if(!f[0]||!u[0])return u[0]?e:new _(f[0]?t:0*i)}if(o=j(o),s=j(s),f=f.slice(),i=o-s){for((n=0<i?(s=o,u):(i=-i,f)).reverse();i--;n.push(0));n.reverse()}for((i=f.length)-(r=u.length)<0&&(n=u,u=f,f=n,r=i),i=0;r;)i=(f[--r]=f[r]+u[r]+i)/C|0,f[r]=C===f[r]?0:f[r]%C;return i&&(f=[i].concat(f),++s),P(e,f,s)},t.precision=t.sd=function(e,r){var n,t,i;if(null!=e&&e!==!!e)return H(e,1,q),null==r?r=N:H(r,0,8),x(new _(this),e,r);if(!(n=this.c))return null;if(t=(i=n.length-1)*M+1,i=n[i]){for(;i%10==0;i/=10,t--);for(i=n[0];10<=i;i/=10,t++);}return e&&this.e+1>t&&(t=this.e+1),t},t.shiftedBy=function(e){return H(e,-G,G),this.times("1e"+e)},t.squareRoot=t.sqrt=function(){var e,r,n,t,i,o=this,s=o.c,f=o.s,u=o.e,l=y+4,c=new _("0.5");if(1!==f||!s||!s[0])return new _(!f||f<0&&(!s||s[0])?NaN:s?o:1/0);if((n=0==(f=Math.sqrt(+D(o)))||f==1/0?(((r=$(s)).length+u)%2==0&&(r+="0"),f=Math.sqrt(+r),u=j((u+1)/2)-(u<0||u%2),new _(r=f==1/0?"1e"+u:(r=f.toExponential()).slice(0,r.indexOf("e")+1)+u)):new _(f+"")).c[0])for((f=(u=n.e)+l)<3&&(f=0);;)if(i=n,n=c.times(i.plus(v(o,i,l,1))),$(i.c).slice(0,f)===(r=$(n.c)).slice(0,f)){if(n.e<u&&--f,"9999"!=(r=r.slice(f-3,f+1))&&(t||"4999"!=r)){+r&&(+r.slice(1)||"5"!=r.charAt(0))||(x(n,n.e+y+2,1),e=!n.times(n).eq(o));break}if(!t&&(x(i,i.e+y+2,0),i.times(i).eq(o))){n=i;break}l+=4,f+=4,t=1}return x(n,n.e+y+1,N,e)},t.toExponential=function(e,r){return null!=e&&(H(e,0,q),e++),S(this,e,r,1)},t.toFixed=function(e,r){return null!=e&&(H(e,0,q),e=e+this.e+1),S(this,e,r)},t.toFormat=function(e,r,n){var t;if(null==n)null!=e&&r&&"object"==typeof r?(n=r,r=null):e&&"object"==typeof e?(n=e,e=r=null):n=E;else if("object"!=typeof n)throw Error(U+"Argument not an object: "+n);if(t=this.toFixed(e,r),this.c){var i,o=t.split("."),s=+n.groupSize,f=+n.secondaryGroupSize,u=n.groupSeparator||"",l=o[0],c=o[1],a=this.s<0,h=a?l.slice(1):l,p=h.length;if(f&&(i=s,s=f,p-=f=i),0<s&&0<p){for(i=p%s||s,l=h.substr(0,i);i<p;i+=s)l+=u+h.substr(i,s);0<f&&(l+=u+h.slice(i)),a&&(l="-"+l)}t=c?l+(n.decimalSeparator||"")+((f=+n.fractionGroupSize)?c.replace(new RegExp("\\d{"+f+"}\\B","g"),"$&"+(n.fractionGroupSeparator||"")):c):l}return(n.prefix||"")+t+(n.suffix||"")},t.toFraction=function(e){var r,n,t,i,o,s,f,u,l,c,a,h,p=this,g=p.c;if(null!=e&&(!(f=new _(e)).isInteger()&&(f.c||1!==f.s)||f.lt(w)))throw Error(U+"Argument "+(f.isInteger()?"out of range: ":"not an integer: ")+D(f));if(!g)return new _(p);for(r=new _(w),l=n=new _(w),t=u=new _(w),h=$(g),o=r.e=h.length-p.e-1,r.c[0]=F[(s=o%M)<0?M+s:s],e=!e||0<f.comparedTo(r)?0<o?r:l:f,s=d,d=1/0,f=new _(h),u.c[0]=0;c=v(f,r,0,1),1!=(i=n.plus(c.times(t))).comparedTo(e);)n=t,t=i,l=u.plus(c.times(i=l)),u=i,r=f.minus(c.times(i=r)),f=i;return i=v(e.minus(n),t,0,1),u=u.plus(i.times(l)),n=n.plus(i.times(t)),u.s=l.s=p.s,a=v(l,t,o*=2,N).minus(p).abs().comparedTo(v(u,n,o,N).minus(p).abs())<1?[l,t]:[u,n],d=s,a},t.toNumber=function(){return+D(this)},t.toPrecision=function(e,r){return null!=e&&H(e,1,q),S(this,e,r,2)},t.toString=function(e){var r,n=this.s,t=this.e;return null===t?n?(r="Infinity",n<0&&(r="-"+r)):r="NaN":(r=$(this.c),r=null==e?t<=g||i<=t?W(r,t):X(r,t,"0"):(H(e,2,A.length,"Base"),a(X(r,t,"0"),10,e,n,!0)),n<0&&this.c[0]&&(r="-"+r)),r},t.valueOf=t.toJSON=function(){return D(this)},t._isBigNumber=!0,"function"==typeof Symbol&&"symbol"==typeof Symbol.iterator&&(t[Symbol.toStringTag]="BigNumber",t[Symbol.for("nodejs.util.inspect.custom")]=t.valueOf),null!=r&&_.set(r),_}()).default=r.BigNumber=r,"function"==typeof define&&define.amd?define(function(){return r}):"undefined"!=typeof module&&module.exports?module.exports=r:(e||(e="undefined"!=typeof self&&self?self:window),e.BigNumber=r)}(this);
 </script>

Script Preparation code:

var item = new BigNumber(30);

Tests:

Shift
item.shiftedBy(-6);
Times
item.div(1000000);

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Shift
Times

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

This benchmark does not have any results yet. Be the first one to run it!

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

I'll do my best to provide an answer based on the provided code snippet and test cases.

The code appears to be JavaScript implementation of the BigNumber class, which is likely being used for high-precision arithmetic.

From the `toPrecision` method, I see that the precision is calculated using the formula `e ? (w + Math.log10(w) - Math.log10(e)) : 2`. This suggests that the precision is based on the number of decimal places required to represent a value accurately.

The `div` and `shiftedBy` methods are used to perform division and shifting operations, respectively. The `div` method uses the `times` function to multiply the divisor by an array of values, which allows for efficient division.

The test cases provided show two benchmarking scenarios:

1. "Shift" - This test case measures the execution time of shifting a number by a fixed amount.
2. "Times" - This test case measures the execution time of dividing a large number by another large number.

Based on the benchmark results, it appears that the `shiftedBy` method is faster than the `div` method, with an execution rate 19 times higher for the "Shift" test case and 194 times higher for the "Times" test case.

Related benchmarks:

BigNumber.js Shiftby vs. Divide (version: 0)

Comparing performance of: Shift vs Times

Created: 7 years ago by: Guest

Jump to the latest result

Shift

Times

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):