Benchmark: ruse compiler factorial 002

Script Preparation code:

NNN = 100

function v0 () {
 function voidf(k) { return k(undefined); };

function pk(x, y) {
    console.log("pk", x, y);
    return voidf;
}

function trampoline(thunk) {
    // console.log('trampoline start', thunk)
    while (thunk && typeof thunk === "function") {
        // console.log('boing');
        thunk = thunk();
    }
    return thunk
}

function add(a, b) {
    return a + b;
}

function times(a, b) {
    return a * b;
}

let program =
(function( kxx ) {  return (function(  ) {  return (function( k ) {  return k ( (function( kk, factorial_0 ) {  return (function(  ) {  return (function( kxx ) {  return (function(  ) {  return (function( k ) {  return k ( (function( kk, t_3 ) {  return (function(  ) {  return (function( kxx ) {  return (function(  ) {  return factorial_0 ( (function( v ) {  return (function(  ) {  return (function( k ) {  return k ( NNN ) ;}) ( (function( v0 ) {  return (function(  ) {  return (function( k ) {  return k ( 1 ) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( kxx, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;}) ( kk ) ;}) ;}) ) ;}) ( (function( v ) {  return (function(  ) {  return (function( k ) {  return (function(  ) {  factorial_0 = (function( k ) {  return k ( (function( kk, n_1, total_2 ) {  return (function(  ) {  return (function( k ) {  return (function( kpr ) {  return (function(  ) {  return n_1 ( (function( v0 ) {  return (function(  ) {  return (function( k ) {  return k ( 0 ) ;}) ( (function( v1 ) {  return kpr ( v0 === v1 ) ;}) ) ;}) ;}) ) ;}) ;}) ( (function( kif ) {  return /* if */ kif ? (function(  ) {  return total_2 ( k ) ;}) : (function(  ) {  return (function( kxx ) {  return (function(  ) {  return factorial_0 ( (function( v ) {  return (function(  ) {  return (function( kpr ) {  return (function(  ) {  return n_1 ( (function( v0 ) {  return (function(  ) {  return (function( k ) {  return k ( -1 ) ;}) ( (function( v1 ) {  return kpr ( add ( v0, v1 ) ) ;}) ) ;}) ;}) ) ;}) ;}) ( (function( v0 ) {  return (function(  ) {  return (function( kpr ) {  return (function(  ) {  return n_1 ( (function( v0 ) {  return (function(  ) {  return total_2 ( (function( v1 ) {  return kpr ( times ( v0, v1 ) ) ;}) ) ;}) ;}) ) ;}) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( kxx, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;}) ( k ) ;}) ;}) ) ;}) ( kk ) ;}) ;}) ) ;}); return k ( voidf ) ;}) ;}) ( (function( v0 ) {  return (function(  ) {  return v ( kxx, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;}) ( kk ) ;}) ;}) ) ;}) ( (function( v ) {  return (function(  ) {  return voidf ( (function( v0 ) {  return (function(  ) {  return v ( kxx, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ;}) ) ;}) ;})
;

function output(x) {
    pk('output', x);
    return function() {};
}


trampoline(function() {return program (output);}); 
}

function v1strict() {
"use strict";

function voidf(k) { return k(undefined); };

function pk() {
    console.log.apply(console, arguments);
}

function trampoline(thunk) {
    // console.log('trampoline start', thunk)
    while (thunk && typeof thunk === "function") {
        // console.log('boing');
        thunk = thunk();
    }
    return thunk
}

function prepend(v, a) {
    // a.slice().unshift(0); // avoid mutation with copy
    a.unshift(v);
    return a;
}

function apply(func, args) {
    return func.apply(this, args);
}

function add(a, b) {
    return a + b;
}

function times(a, b) {
    return a * b;
}

let program =
(function( k ) {  return (function( k ) {  return k ( (function( k, fact_0 ) {  return (function( k ) {  return (function( k ) {  return k ( (function( k, t_3 ) {  return (function( k ) {  return fact_0 ( (function( v ) {  return (function( k ) {  return k ( NNN ) ;}) ( (function( v0 ) {  return (function( k ) {  return k ( 1 ) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ) ;}) ( k ) ;}) ) ;}) ( (function( v ) {  return (function( k ) {  return (function(  ) {  fact_0 = (function( k ) {  return k ( (function( k, n_1, total_2 ) {  return (function( k ) {  return (function( k ) {  return n_1 ( (function( v0 ) {  return (function( k ) {  return k ( 0 ) ;}) ( (function( v1 ) {  return k ( v0 === v1 ) ;}) ) ;}) ) ;}) ( (function( kif ) {  return /* if */ kif ? (function(  ) {  return total_2 ( k ) ;}) : (function(  ) {  return (function( k ) {  return fact_0 ( (function( v ) {  return (function( k ) {  return n_1 ( (function( v0 ) {  return (function( k ) {  return k ( -1 ) ;}) ( (function( v1 ) {  return k ( add ( v0, v1 ) ) ;}) ) ;}) ) ;}) ( (function( v0 ) {  return (function( k ) {  return total_2 ( (function( v0 ) {  return n_1 ( (function( v1 ) {  return k ( times ( v0, v1 ) ) ;}) ) ;}) ) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ) ;}) ( k ) ;}) ;}) ) ;}) ( k ) ;}) ) ;}); return k ( voidf ) ;}) ;}) ( (function( v0 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ( k ) ;}) ) ;}) ( (function( v ) {  return voidf ( (function( v0 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ) ;})
;

function output(x) {
    pk('output', x);
    return function() {};
}


trampoline(function() {return program (output);}); 
}

function v1() {
 function voidf(k) { return k(undefined); };

function pk() {
    console.log.apply(console, arguments);
}

function trampoline(thunk) {
    // console.log('trampoline start', thunk)
    while (thunk && typeof thunk === "function") {
        // console.log('boing');
        thunk = thunk();
    }
    return thunk
}

function prepend(v, a) {
    // a.slice().unshift(0); // avoid mutation with copy
    a.unshift(v);
    return a;
}

function apply(func, args) {
    return func.apply(this, args);
}

function add(a, b) {
    return a + b;
}

function times(a, b) {
    return a * b;
}

let program =
(function( k ) {  return (function( k ) {  return k ( (function( k, fact_0 ) {  return (function( k ) {  return (function( k ) {  return k ( (function( k, t_3 ) {  return (function( k ) {  return fact_0 ( (function( v ) {  return (function( k ) {  return k ( NNN ) ;}) ( (function( v0 ) {  return (function( k ) {  return k ( 1 ) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ) ;}) ( k ) ;}) ) ;}) ( (function( v ) {  return (function( k ) {  return (function(  ) {  fact_0 = (function( k ) {  return k ( (function( k, n_1, total_2 ) {  return (function( k ) {  return (function( k ) {  return n_1 ( (function( v0 ) {  return (function( k ) {  return k ( 0 ) ;}) ( (function( v1 ) {  return k ( v0 === v1 ) ;}) ) ;}) ) ;}) ( (function( kif ) {  return /* if */ kif ? (function(  ) {  return total_2 ( k ) ;}) : (function(  ) {  return (function( k ) {  return fact_0 ( (function( v ) {  return (function( k ) {  return n_1 ( (function( v0 ) {  return (function( k ) {  return k ( -1 ) ;}) ( (function( v1 ) {  return k ( add ( v0, v1 ) ) ;}) ) ;}) ) ;}) ( (function( v0 ) {  return (function( k ) {  return total_2 ( (function( v0 ) {  return n_1 ( (function( v1 ) {  return k ( times ( v0, v1 ) ) ;}) ) ;}) ) ;}) ( (function( v1 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}), (function( kv ) {  return kv ( v1 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ) ;}) ( k ) ;}) ;}) ) ;}) ( k ) ;}) ) ;}); return k ( voidf ) ;}) ;}) ( (function( v0 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ) ;}) ( k ) ;}) ) ;}) ( (function( v ) {  return voidf ( (function( v0 ) {  return (function(  ) {  return v ( k, (function( kv ) {  return kv ( v0 ) ;}) ) ;}) ;}) ) ;}) ) ;})
;

function output(x) {
    pk('output', x);
    return function() {};
}


trampoline(function() {return program (output);}); 
}

function vanilla() {
   function factorial (n) {
    	return n === 0 ? 1 : n * factorial(n -1); 
   }
  
  factorial(NNN);
}

function tailcall() {
   function factorial (n, total) {
    	return n === 0 ? total : factorial(n - 1, total * n); 
   }
  
  factorial(NNN, 1);
}

Tests:

v0
v0()
v1 use strict
v1strict()
v1
v1()
tailcall
tailcall()
vanilla
vanilla()

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
v0
v1 use strict
v1
tailcall
vanilla

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):

LLMs can make mistakes. Check important info.

I'll do my best to provide an answer!

Given the provided code and benchmark results, I'll attempt to analyze the performance differences between the various test cases.

**Code Analysis**

The code appears to be a JavaScript implementation of a recursive function using a trampoline technique. The `program` function seems to be responsible for creating a new scope and calling the `output` function with an anonymous function as its argument. This anonymous function, in turn, calls the original recursive function (`v`) with the `k` variable as its argument.

**Benchmark Results**

The benchmark results show the execution times per second for each test case:

| Test Name | Execution Time (s/s) |
| --- | --- |
| tailcall | 229304.625 |
| vanilla | 227918.3125 |
| v1 use strict | 2816.37939453125 |
| v1 | 2754.1083984375 |
| v0 | 2379.132080078125 |

**Observations**

* The `tailcall` test case performs significantly better than the other tests, with an execution time of over 229 times higher per second.
* The `vanilla` and `v1 use strict` tests are relatively close to each other, with a small difference in their execution times.

**Conclusion**

Based on the benchmark results, it appears that using tailcall optimization leads to significant performance improvements in this specific implementation. However, without more information about the specific requirements or constraints of the application, it's difficult to make a definitive recommendation for which test case to use. The `tailcall` test case seems to be the fastest, but its execution time is also the highest due to the recursive nature of the function.

Please let me know if there's any further information or context that can help provide a more accurate answer!

Latest run results:

Run details: (Test run date: 5 years ago)

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Ubuntu Chromium/75.0.3770.90 Chrome/75.0.3770.90 Safari/537.36

Browser/OS: Chromium 75 on Ubuntu

View result in a separate tab

Test name	Executions per second
v0	2379.1 Ops/sec
v1 use strict	2816.4 Ops/sec
v1	2754.1 Ops/sec
tailcall	229304.6 Ops/sec
vanilla	227918.3 Ops/sec

Related benchmarks:

ruse compiler factorial 002 (version: 0)

Comparing performance of: v0 vs v1 use strict vs v1 vs tailcall vs vanilla

Created: 5 years ago by: Guest

Jump to the latest result

v0

v1 use strict

v1

tailcall

vanilla

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 26 days ago):