switch to length fn

benchmarks/eratosthenes.ce

@@ -17,7 +17,7 @@ var sieve = eratosthenes(10000000);
 stone(sieve)
 
 var c = 0
-for (var i = 0; i < sieve.length; i++)
+for (var i = 0; i < length(sieve); i++)
   if (sieve.read_logical(i)) c++
   
 log.console(c)

benchmarks/js_perf.ce

@@ -126,7 +126,7 @@ function benchArrayOps() {
   var iterateTime = measureTime(function() {
     var sum = 0;
     for (var j = 0; j < 1000; j++) {
-      for (var i = 0; i < arr.length; i++) {
+      for (var i = 0; i < length(arr); i++) {
         sum += arr[i];
       }
     }

benchmarks/nbody.ce

@@ -70,7 +70,7 @@ function offsetMomentum() {
     var px = 0;
     var py = 0;
     var pz = 0;
-    var size = bodies.length;
+    var size = length(bodies);
     for (var i = 0; i < size; i++) {
         var body = bodies[i];
         var mass = body.mass;
@@ -86,7 +86,7 @@ function offsetMomentum() {
 }
 
 function advance(dt) {
-    var size = bodies.length;
+    var size = length(bodies);
 
     for (var i = 0; i < size; i++) {
         var bodyi = bodies[i];
@@ -127,7 +127,7 @@ function advance(dt) {
 
 function energy() {
     var e = 0;
-    var size = bodies.length;
+    var size = length(bodies);
 
     for (var i = 0; i < size; i++) {
         var bodyi = bodies[i];

benchmarks/spectral-norm.ce

@@ -5,9 +5,9 @@ function A(i,j) {
 }
 
 function Au(u,v) {
-  for (var i=0; i<u.length; ++i) {
+  for (var i=0; i<length(u); ++i) {
     var t = 0;
-    for (var j=0; j<u.length; ++j)
+    for (var j=0; j<length(u); ++j)
       t += A(i,j) * u[j];
       
     v[i] = t;
@@ -15,9 +15,9 @@ function Au(u,v) {
 }
 
 function Atu(u,v) {
-  for (var i=0; i<u.length; ++i) {
+  for (var i=0; i<length(u); ++i) {
     var t = 0;
-    for (var j=0; j<u.length; ++j)
+    for (var j=0; j<length(u); ++j)
       t += A(j,i) * u[j];
       
     v[i] = t;

benchmarks/wota.ce

@@ -81,9 +81,9 @@ log.console("===================\n");
 // We'll run each benchmark scenario in turn.
 for (var bench of benchmarks) {
     // We'll measure how long it takes to do 'iterations' *for each test value*
-    // in bench.data. The total loop count is `bench.iterations * bench.data.length`.
+    // in bench.data. The total loop count is `bench.iterations * bench.data)`.
     // Then we compute an overall encode+decode throughput (ops/s).
-    var totalIterations = bench.iterations * bench.data.length;
+    var totalIterations = bench.iterations * bench.data);
     
     // We'll define a function that does a roundTrip for *each* data item in bench.data
     // to measure in one loop iteration. Then we multiply by bench.iterations.
@@ -97,7 +97,7 @@ for (var bench of benchmarks) {
     var opsPerSec  = (totalIterations / elapsedSec).toFixed(1);
 
     log.console(`${bench.name}:`);
-    log.console(`  Iterations: ${bench.iterations} × ${bench.data.length} data items = ${totalIterations}`);
+    log.console(`  Iterations: ${bench.iterations} × ${length(bench.data)} data items = ${totalIterations}`);
     log.console(`  Elapsed:    ${elapsedSec.toFixed(3)} s`);
     log.console(`  Throughput: ${opsPerSec} encode+decode ops/sec\n`);
 }

benchmarks/wota_nota_json.ce

@@ -13,7 +13,7 @@
 //
 
 // Parse command line arguments
-if (arg.length != 2) {
+if (length(arg) != 2) {
   log.console('Usage: cell benchmark_wota_nota_json.ce <LibraryName> <ScenarioName>');
   $stop()
 }
@@ -32,7 +32,7 @@ def libraries = [
     decode: wota.decode,
     // wota produces an ArrayBuffer. We'll count `buffer.byteLength` as size.
     getSize(encoded) {
-      return encoded.length;
+      return length(encoded);
     }
   },
   {
@@ -41,7 +41,7 @@ def libraries = [
     decode: nota.decode,
     // nota also produces an ArrayBuffer:
     getSize(encoded) {
-      return encoded.length;
+      return length(encoded);
     }
   },
   {
@@ -52,7 +52,7 @@ def libraries = [
     // as a rough "size". Alternatively, you could convert to UTF-8 for
     // a more accurate byte size. Here we just use `string.length`.
     getSize(encodedStr) {
-      return encodedStr.length;
+      return length(encodedStr);
     }
   }
 ];
@@ -135,7 +135,7 @@ function runBenchmarkForLibrary(lib, bench) {
   var encodeTime = measureTime(() => {
     for (var i = 0; i < bench.iterations; i++) {
       // For each data item, encode it
-      for (var j = 0; j < bench.data.length; j++) {
+      for (var j = 0; j < length(bench.data); j++) {
         var e = lib.encode(bench.data[j]);
         // store only in the very first iteration, so we can decode them later
         // but do not store them every iteration or we blow up memory.
@@ -185,7 +185,7 @@ if (!bench) {
 var { encodeTime, decodeTime, totalSize } = runBenchmarkForLibrary(lib, bench);
 
 // Output json for easy parsing by hyperfine or other tools
-var totalOps = bench.iterations * bench.data.length;
+var totalOps = bench.iterations * length(bench.data);
 var result = {
   lib: lib_name,
   scenario: scenario_name,