node-webcl - npm Package Compare versions

Comparing version 0.7.0 to 0.7.1

examples/VectorAddMapped.js

@@ -55,9 +55,34 @@ // Copyright (c) 2011-2012, Motorola Mobility, Inc.
 
-  //Pick platform
-  var platformList=WebCL.getPlatforms();
-  platform=platformList[0];
+  // //Pick platform
+  // var platformList=WebCL.getPlatforms();
+  // platform=platformList[0];
 
-  //Query the set of devices on this platform
-  devices = platform.getDevices(WebCL.DEVICE_TYPE_DEFAULT);
-  log("  # of Devices Available = " + devices.length);
+  // //Query the set of devices on this platform
+  // devices = platform.getDevices(WebCL.DEVICE_TYPE_DEFAULT);
+  // log("  # of Devices Available = " + devices.length);
+  // var device = devices[0];
+  // log("  Using Device 0: " + device.getInfo(WebCL.DEVICE_NAME)+" from "+device.getInfo(WebCL.DEVICE_VENDOR));
+  // if(device.getInfo(WebCL.DEVICE_VENDOR).indexOf("Intel")>=0) {
+  //   device = devices[1];
+  //   log("  Using Device 1: " + device.getInfo(WebCL.DEVICE_NAME)+" from "+device.getInfo(WebCL.DEVICE_VENDOR));
+  // }
+
+  // // create GPU context for this platform
+  // context=WebCL.createContext({
+	 //  deviceType: WebCL.DEVICE_TYPE_DEFAULT, 
+	 //  platform: platform
+  // });
+
+  var context=null;
+  try {
+    context=WebCL.createContext({
+      deviceType: WebCL.DEVICE_TYPE_ALL, 
+    });
+  }
+  catch(ex) {
+    throw new Exception("Can't create CL context");
+  }
+
+  var devices=context.getInfo(WebCL.CONTEXT_DEVICES);
+  log("Found "+devices.length+" devices");
   var device = devices[0];
@@ -70,8 +95,2 @@ log("  Using Device 0: " + device.getInfo(WebCL.DEVICE_NAME)+" from "+device.getInfo(WebCL.DEVICE_VENDOR));
 
-  // create GPU context for this platform
-  context=WebCL.createContext({
-	  deviceType: WebCL.DEVICE_TYPE_DEFAULT, 
-	  platform: platform
-  });
-
   kernelSourceCode = [
@@ -106,23 +125,9 @@ "__kernel void vadd(__global int *a, __global int *b, __global int *c, uint iNumElements) ",
   //Create buffer for A and copy host contents
-  aBuffer = context.createBuffer(WebCL.MEM_READ_ONLY, size);
-  map=queue.enqueueMapBuffer(aBuffer, WebCL.TRUE, WebCL.MAP_WRITE, 0, BUFFER_SIZE * Uint32Array.BYTES_PER_ELEMENT);
-  
-  // WARNING: this feature for typed arrays is only in nodejs 0.7.x
-  var buf=new Uint32Array(map);
-  for(var i=0;i<BUFFER_SIZE;i++) {
-    buf.set(i, A[i]);
-  }
-  queue.enqueueUnmapMemObject(aBuffer, map);
+  aBuffer = context.createBuffer(WebCL.MEM_READ_ONLY | WebCL.MEM_COPY_HOST_PTR, size, A);
 
   //Create buffer for B and copy host contents
-  bBuffer = context.createBuffer(WebCL.MEM_READ_ONLY, size);
-  map=queue.enqueueMapBuffer(bBuffer, WebCL.TRUE, WebCL.MAP_WRITE, 0, BUFFER_SIZE * Uint32Array.BYTES_PER_ELEMENT);
-  buf=new Uint32Array(map);
-  for(var i=0;i<BUFFER_SIZE;i++) {
-    buf[i]=B[i];
-  }
-  queue.enqueueUnmapMemObject(bBuffer, map);
+  bBuffer = context.createBuffer(WebCL.MEM_READ_ONLY | WebCL.MEM_COPY_HOST_PTR, size, B);
 
   //Create buffer for that uses the host ptr C
-  cBuffer = context.createBuffer(WebCL.MEM_READ_WRITE, size);
+  cBuffer = context.createBuffer(WebCL.MEM_WRITE_ONLY | WebCL.MEM_COPY_HOST_PTR, size, C);
 
@@ -136,4 +141,6 @@ //Set kernel args
   // Execute the OpenCL kernel on the list
-  var localWS = [5]; // process one list at a time
-  var globalWS = [clu.roundUp(localWS, BUFFER_SIZE)]; // process entire list
+  // var localWS = [5]; // process one list at a time
+  // var globalWS = [clu.roundUp(localWS, BUFFER_SIZE)]; // process entire list
+  var localWS=null;
+  var globalWS=[BUFFER_SIZE];
 
@@ -154,3 +161,3 @@ log("Global work item size: " + globalWS);
   // the host backing space, remember we choose GPU device.
-  map=queue.enqueueMapBuffer(
+  var map=queue.enqueueMapBuffer(
       cBuffer,
@@ -162,10 +169,11 @@ WebCL.TRUE, // block
 
-  buf=new Uint32Array(map);
-  for(var i=0;i<BUFFER_SIZE;i++) {
-    C[i]=buf[i];
+  var output = "\nC = ";
+  for (var i = 0; i < BUFFER_SIZE; i++) {
+    output += map[i] + ", ";
   }
+  log(output);
 
   queue.enqueueUnmapMemObject(cBuffer, map);
   
-  queue.finish(); //Finish all the operations
+  // queue.finish(); //Finish all the operations
 
@@ -172,0 +180,0 @@ printResults(A,B,C);

package.json

 {
   "name":"node-webcl",
-  "version":"0.7.0",
+  "version":"0.7.1",
   "description":"A WebCL implementation for desktops with NodeJS",
@@ -39,5 +39,5 @@ "main":"webcl.js",
   "dependencies":{
-    "node-webgl" : "0.2.0"
+    "node-webgl" : ">=0.2.0"
   }
 }
 

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Improved metrics

Total package byte prevSize

1561695

increased by0.03%

Lines of code

6318

increased by0.11%

Dependency changes

• + Addedbindings@1.5.0(transitive)

• + Addedfile-uri-to-path@1.0.0(transitive)

• + Addednan@2.20.0(transitive)

• + Addednode-glfw@0.4.6(transitive)

• + Addednode-webgl@0.5.5(transitive)

• - Removednode-webgl@0.2.0(transitive)

• Updatednode-webgl@>=0.2.0