本文整理汇总了C#中Context.CreateCommandQueue方法的典型用法代码示例。如果您正苦于以下问题：C# Context.CreateCommandQueue方法的具体用法？C# Context.CreateCommandQueue怎么用？C# Context.CreateCommandQueue使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Context的用法示例。
在下文中一共展示了Context.CreateCommandQueue方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreateQueue
private CommandQueue CreateQueue(Context context, Device device)
{
return context.CreateCommandQueue(device, CommandQueueProperties.ProfilingEnable);
}示例2: ECCTest
static void ECCTest()
{
const int BigIntBytes = 4 * 8;
const int PointBytes = BigIntBytes * 3;
const int InputWorkItemBytes = PointBytes + BigIntBytes;
const int OutputWorkItemBytes = PointBytes;
uint[] x1 = new uint[] {0x895aa032, 0x0d07522a, 0x506abf79, 0xabbc5c54, 0x1c2d6914, 0xb758abae, 0x914fa51b, 0xdfa23008};
uint[] y1 = new uint[] {0xefa18861, 0x602dfbbd, 0xe98d5b8c, 0xf884eb9e, 0x9898b025, 0x022e6bad, 0x31f238ee, 0x0bf40155};
uint[] z1 = new uint[] {0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000};
uint[] x2 = new uint[] {0xd6d7e35d, 0x2febd950, 0x2f987f4d, 0xb30482f7, 0x1164ce2e, 0xfce2b6ce, 0x12367d71, 0x15c1cdd1};
uint[] y2 = new uint[] {0xc1add051, 0x2dcfd682, 0x0d53b2d6, 0xbd9ad440, 0xad0f523b, 0x559ebb59, 0x45d34876, 0xdd307c87};
uint[] z2 = new uint[] {0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000};
uint[] x3 = new uint[] {0xb75c6254, 0x7b278510, 0xf45598f8, 0xdb81bb86, 0x4c48ee2b, 0x1dfe6ba4, 0xcbb54aa0, 0x616966b1};
uint[] y3 = new uint[] {0x356c3d49, 0x3c98aa53, 0xff99ca5b, 0x3d58a64f, 0xc0ac8b7e, 0x65168611, 0x0bb52f28, 0x9defd775};
uint[] z3 = new uint[] {0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000};
uint[] s = new uint[] {0x9b2d206a, 0x8a022706, 0x5ce5a47a, 0x9f363b87, 0xcac90283, 0x2004790d, 0x1f2e5787, 0xadeba125};
uint[] x = new uint[8], y = new uint[8], z = new uint[8];
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default))
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("ecc-p256"), context.Devices, null)) {
int maxWorkItemSize = (int)queue.Device.MaxWorkItemSizes[0] / 2;
int parallels = (int)queue.Device.MaxComputeUnits * maxWorkItemSize;
int local_size = maxWorkItemSize;
while (local_size > parallels)
local_size >>= 1;
using (Memory inMem = context.CreateBuffer (MemoryFlags.ReadOnly, InputWorkItemBytes * parallels))
using (Memory outMem = context.CreateBuffer (MemoryFlags.WriteOnly, OutputWorkItemBytes * parallels))
using (Kernel kernel = prog.CreateKernel ("Test")) {
kernel.SetArgument (0, inMem);
kernel.SetArgument (1, outMem);
{
int wrote = 0;
for (int i = 0; i < parallels; i ++) {
queue.WriteBuffer (inMem, wrote, x1, 0, BigIntBytes); wrote += BigIntBytes;
queue.WriteBuffer (inMem, wrote, y1, 0, BigIntBytes); wrote += BigIntBytes;
queue.WriteBuffer (inMem, wrote, z1, 0, BigIntBytes); wrote += BigIntBytes;
queue.WriteBuffer (inMem, wrote, s, 0, BigIntBytes); wrote += BigIntBytes;
s[0] ++;
}
}
TimeSpan time = Execute (null, 1, 0, delegate () {
queue.Execute (kernel, 0, parallels, local_size);
});
Console.WriteLine ("{0} mul/s", parallels / time.TotalSeconds);
{
int read = 0;
queue.ReadBuffer (outMem, read, x, 0, BigIntBytes); read += BigIntBytes;
queue.ReadBuffer (outMem, read, y, 0, BigIntBytes); read += BigIntBytes;
queue.ReadBuffer (outMem, read, z, 0, BigIntBytes);
}
}
}
/*for (int i = 0; i < 8; i ++)
Console.WriteLine ("x[{0}]=0x{1:x8} y[{0}]=0x{2:x8} z[{0}]=0x{3:x8}", i, x[i], y[i], z[i]);
Console.WriteLine ("cmpl");
Console.ReadLine ();*/
}示例3: SHATest
static void SHATest(int parallels)
{
const int memTests = 100;
const int updateTests = 100;
TimeSpan total = TimeSpan.Zero;
//int parallels;
int blocks_per_instance = 1024;
byte[] input, state, state_ref;
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default)) {
int local_size = (int)queue.Device.MaxWorkItemSizes[0] / 2;
parallels = local_size * (int)queue.Device.MaxComputeUnits;
input = new byte[SHA256.MessageSize * parallels * blocks_per_instance];
state = new byte[parallels * SHA256.StateSize];
state_ref = new byte[parallels * SHA256.StateSize];
new Random ().NextBytes (input);
// balance
if (parallels < local_size) {
local_size = parallels / (int)queue.Device.MaxComputeUnits;
local_size = (int)Math.Pow (2, Math.Ceiling (Math.Log (local_size, 2)));
if (local_size <= 0)
local_size = 1;
}
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("sha-256"), context.Devices, null))
using (Memory inMem = context.CreateBuffer (MemoryFlags.ReadOnly, input.Length))
using (Memory stateMem = context.CreateBuffer (MemoryFlags.ReadWrite, state.Length))
using (Memory constMem = context.CreateBuffer (MemoryFlags.ReadOnly, 4 * SHA256.Constants.Length))
using (Kernel kernel = prog.CreateKernel ("core256")) {
// Copy constant values
queue.WriteBuffer (constMem, 0, SHA256.Constants, 0, SHA256.Constants.Length * 4);
// Init State
uint[] temp = new uint[parallels * SHA256.StateSize / 4];
for (int i = 0; i < parallels; i++) {
for (int j = 0; j < SHA256.InitialValues.Length; j++)
temp[i * SHA256.InitialValues.Length + j] = SHA256.InitialValues[j];
}
queue.WriteBuffer (stateMem, 0, temp, 0, temp.Length * 4);
int global_size = parallels;
int max_local_size = local_size;
while (local_size > global_size || local_size > max_local_size)
local_size >>= 1;
// Setup Kernel Arguments
kernel.SetArgument (0, inMem);
kernel.SetArgument (1, stateMem);
kernel.SetArgument (2, constMem);
kernel.SetLocalDataShare (3, 4 * SHA256.Constants.Length);
kernel.SetArgument (4, blocks_per_instance, 4);
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (inMem, 0, input, 0, input.Length);
});
total += Execute ("kernel", updateTests, input.Length, delegate () {
queue.Execute (kernel, 0, global_size, local_size);
});
total += Execute ("read", memTests, state.Length, delegate () {
queue.ReadBuffer (stateMem, 0, state, 0, state.Length);
});
WriteTime ("total", total, input.Length);
}
}
#if false
SHA256.InitState (state_ref);
for (int i = 0; i < blocks_per_instance; i ++) {
SHA256.Update (input, i * SHA256.MessageSize * parallels, SHA256.MessageSize * parallels, state_ref);
}
for (int i = 0; i < state.Length; i++) {
if (state[i] != state_ref[i]) {
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine ("err");
Console.ForegroundColor = ConsoleColor.White;
break;
}
}
#endif
//Console.WriteLine ("cmpl");
//Console.ReadLine ();
}示例4: CamelliaTest2
static void CamelliaTest2()
{
const int memTests = 1;
const int encryptTests = 1;
const int ProcessUnitDataSize = 16 * 32; // 32bit-width bitslice
byte[] key = new byte[16];
byte[] input = new byte[ProcessUnitDataSize * 2 * 1024 * 64];
byte[] output = new byte[input.Length];
byte[] output_ref = new byte[input.Length];
uint[] keyTable;
new Random ().NextBytes (key);
new Random ().NextBytes (input);
Camellia.GenerateKeyTable (key, out keyTable);
TimeSpan total = TimeSpan.Zero;
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default))
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("bitslice_camellia"), context.Devices, null))
using (Memory mem = context.CreateBuffer (MemoryFlags.ReadWrite, input.Length)) {
/*using (Memory keyMem = context.CreateBuffer (MemoryFlags.ReadWrite, expandedKey.Length * 32))
using (Memory nonsliceKeyMem = context.CreateBuffer (MemoryFlags.WriteOnly, expandedKey.Length))
using (Kernel kernel = prog.CreateKernel ("bitslice_key")) {
kernel.SetArgument (0, nonsliceKeyMem);
kernel.SetArgument (1, keyMem);
queue.WriteBuffer (nonsliceKeyMem, 0, expandedKey, 0, expandedKey.Length);
queue.Execute (kernel, 0, expandedKey.Length * 8 / 4, 8);
}*/
int localMemorySize = (int)(queue.Device.LocalMemSize / 2);
int maxWorkItemSize = (int)queue.Device.MaxWorkItemSizes[0];
// global/local size setting for encrypt kernel
int global_size = input.Length / ProcessUnitDataSize;
int local_size = int.MaxValue;// localMemorySize / 512;
local_size = Math.Min (local_size, maxWorkItemSize);
local_size = Math.Min (local_size, global_size);
// global/local size setting for bitslice kernel
int slice_global_size = input.Length / ProcessUnitDataSize * 32;
int slice_local_size = (localMemorySize / 512) * 32;
slice_local_size = Math.Min (slice_local_size, maxWorkItemSize);
slice_local_size = Math.Min (slice_local_size, slice_global_size);
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (mem, 0, input, 0, input.Length);
});
using (Kernel kernel_encrypt = prog.CreateKernel ("encrypt"))
using (Kernel kernel_bitslice = prog.CreateKernel ("bitslice_kernel"))
using (Kernel kernel_shuffle1 = prog.CreateKernel ("shuffle_state1"))
using (Kernel kernel_shuffle2 = prog.CreateKernel ("shuffle_state2")) {
kernel_bitslice.SetArgument (0, mem);
kernel_bitslice.SetLocalDataShare (1, 512 * slice_local_size / 32);
kernel_shuffle1.SetArgument (0, mem);
kernel_shuffle1.SetLocalDataShare (1, 512 * slice_local_size / 32);
kernel_shuffle2.SetArgument (0, mem);
kernel_shuffle2.SetLocalDataShare (1, 512 * slice_local_size / 32);
kernel_encrypt.SetArgument (0, mem);
//kernel_encrypt.SetLocalDataShare (1, 512 * local_size);
total += Execute ("kernel(bitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, slice_global_size, slice_local_size);
});
total += Execute ("kernel(shuffle)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_shuffle1, 0, slice_global_size, slice_local_size);
});
total += Execute ("kernel(encrypt)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_encrypt, 0, global_size, local_size);
});
total += Execute ("kernel(shuffle)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_shuffle2, 0, slice_global_size, slice_local_size);
});
total += Execute ("kernel(unbitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, slice_global_size, slice_local_size);
});
}
total += Execute ("read", memTests, input.Length, delegate () {
queue.ReadBuffer (mem, 0, output, 0, output.Length);
});
}
WriteTime ("total", total, input.Length);
#if true
Camellia.Encrypt (key, input, output_ref);
for (int i = 0; i < output.Length; i++)
if (output[i] != output_ref[i]) {
ConsoleColor defColor = Console.ForegroundColor;
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine ("err");
Console.WriteLine (" expected | actual | input");
for (int k = i; k < i + 64 && k < output.Length; k ++) {
Console.ForegroundColor = (output[k] == output_ref[k] ? defColor : ConsoleColor.Red);
Console.WriteLine (" {0}: {1:x2} | {2:x2} | {3:x2}", k, output_ref[k], output[k], input[k]);
}
Console.ForegroundColor = defColor;
break;
}
#endif
Console.WriteLine ("cmpl");
//.........这里部分代码省略.........
示例5: CamelliaTest
static void CamelliaTest()
{
const int memTests = 1;
const int encryptTests = 1;
byte[] key = new byte[16];
byte[] input = new byte[1024 * 1024 * 64];
byte[] output = new byte[input.Length];
byte[] output_ref = new byte[input.Length];
uint[] keyTable;
new Random ().NextBytes (key);
new Random ().NextBytes (input);
Camellia.GenerateKeyTable (key, out keyTable);
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default))
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("camellia"), context.Devices, null))
using (Memory inMem = context.CreateBuffer (MemoryFlags.ReadOnly, input.Length))
using (Memory outMem = context.CreateBuffer (MemoryFlags.WriteOnly, input.Length))
using (Memory keyMem = context.CreateBuffer (MemoryFlags.ReadOnly, keyTable.Length * 4))
using (Memory sbox1Mem = context.CreateBuffer (MemoryFlags.ReadOnly, Camellia.SBOX1_1110.Length * 4))
using (Memory sbox2Mem = context.CreateBuffer (MemoryFlags.ReadOnly, Camellia.SBOX2_0222.Length * 4))
using (Memory sbox3Mem = context.CreateBuffer (MemoryFlags.ReadOnly, Camellia.SBOX3_3033.Length * 4))
using (Memory sbox4Mem = context.CreateBuffer (MemoryFlags.ReadOnly, Camellia.SBOX4_4404.Length * 4)) {
TimeSpan total = TimeSpan.Zero;
queue.WriteBuffer (keyMem, 0, keyTable, 0, keyTable.Length * 4);
queue.WriteBuffer (sbox1Mem, 0, Camellia.SBOX1_1110, 0, Camellia.SBOX1_1110.Length * 4);
queue.WriteBuffer (sbox2Mem, 0, Camellia.SBOX2_0222, 0, Camellia.SBOX2_0222.Length * 4);
queue.WriteBuffer (sbox3Mem, 0, Camellia.SBOX3_3033, 0, Camellia.SBOX3_3033.Length * 4);
queue.WriteBuffer (sbox4Mem, 0, Camellia.SBOX4_4404, 0, Camellia.SBOX4_4404.Length * 4);
queue.WriteBuffer (inMem, 0, new byte[inMem.Size], 0, (int)inMem.Size);
queue.WriteBuffer (outMem, 0, new byte[outMem.Size], 0, (int)outMem.Size);
const int mode = 1;
int local_loops = 4;
if (mode == 2 && local_loops < 4) local_loops = 4;
using (Kernel kernel = prog.CreateKernel ("encrypt" + mode.ToString ())) {
kernel.SetArgument (0, inMem);
kernel.SetArgument (1, outMem);
kernel.SetArgument (2, keyMem);
kernel.SetArgument (3, sbox1Mem);
kernel.SetArgument (4, sbox2Mem);
kernel.SetArgument (5, sbox3Mem);
kernel.SetArgument (6, sbox4Mem);
kernel.SetLocalDataShare (7, (int)sbox1Mem.Size);
kernel.SetLocalDataShare (8, (int)sbox2Mem.Size);
kernel.SetLocalDataShare (9, (int)sbox3Mem.Size);
kernel.SetLocalDataShare (10, (int)sbox4Mem.Size);
kernel.SetArgument (11, (uint)(input.Length / 16), 4);
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (inMem, 0, input, 0, input.Length);
});
int global_size = input.Length / 16 / local_loops;
int local_size = (int)queue.Device.MaxWorkItemSizes[0];
while (local_size > global_size)
local_size >>= 1;
total += Execute ("kernel(encrypt)", encryptTests, input.Length, delegate () {
queue.Execute (kernel, 0, global_size, local_size);
});
}
total += Execute ("read", memTests, input.Length, delegate () {
queue.ReadBuffer (outMem, 0, output, 0, output.Length);
});
WriteTime ("total", total, input.Length);
}
#if false
Camellia.Encrypt (key, input, output_ref);
for (int i = 0; i < output.Length; i++)
if (output[i] != output_ref[i]) {
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine ("err");
Console.ForegroundColor = ConsoleColor.White;
break;
}
#endif
Console.WriteLine ("cmpl");
Console.ReadLine ();
}示例6: AESTest2
static void AESTest2()
{
const int memTests = 1;
const int encryptTests = 1;
const int ProcessUnitDataSize = 16 * 32; // 32bit-width bitslice
byte[] key = new byte[16];
byte[] input = new byte[ProcessUnitDataSize * 2 * 1024 * 64];
byte[] output = new byte[input.Length];
byte[] output_ref = new byte[input.Length];
byte[] expandedKey;
new Random ().NextBytes (key);
new Random ().NextBytes (input);
AES.KeyExpansion (key, out expandedKey);
TimeSpan total = TimeSpan.Zero;
bool private_memory_mode = true;
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default))
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode (private_memory_mode ? "bitslice_aes4" : "bitslice_aes3"), context.Devices, null))
using (Memory mem = context.CreateBuffer (MemoryFlags.ReadWrite, input.Length))
using (Memory keyMem = context.CreateBuffer (MemoryFlags.ReadWrite, expandedKey.Length * 32)) {
using (Memory nonsliceKeyMem = context.CreateBuffer (MemoryFlags.WriteOnly, expandedKey.Length))
using (Kernel kernel = prog.CreateKernel ("bitslice_key")) {
kernel.SetArgument (0, nonsliceKeyMem);
kernel.SetArgument (1, keyMem);
queue.WriteBuffer (nonsliceKeyMem, 0, expandedKey, 0, expandedKey.Length);
queue.Execute (kernel, 0, expandedKey.Length * 8 / 4, 8);
}
int localMemorySize = (int)(queue.Device.LocalMemSize / 2);
int maxWorkItemSize = (int)queue.Device.MaxWorkItemSizes[0];
// global/local size setting for encrypt kernel
int global_size = (private_memory_mode ? input.Length / ProcessUnitDataSize : input.Length / ProcessUnitDataSize * 4);
int local_size = (private_memory_mode ? int.MaxValue : (localMemorySize / 512) * 4);
local_size = Math.Min (local_size, maxWorkItemSize);
local_size = Math.Min (local_size, global_size);
// global/local size setting for bitslice kernel
int slice_global_size = input.Length / ProcessUnitDataSize * 32;
int slice_local_size = (localMemorySize / 512) * 32;
slice_local_size = Math.Min (slice_local_size, maxWorkItemSize);
slice_local_size = Math.Min (slice_local_size, slice_global_size);
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (mem, 0, input, 0, input.Length);
});
using (Kernel kernel_encrypt = prog.CreateKernel ("encrypt"))
using (Kernel kernel_bitslice = prog.CreateKernel ("bitslice_kernel")) {
kernel_bitslice.SetArgument (0, mem);
kernel_bitslice.SetLocalDataShare (1, 512 * slice_local_size / 32);
kernel_encrypt.SetArgument (0, mem);
kernel_encrypt.SetArgument (1, keyMem);
if (!private_memory_mode)
kernel_encrypt.SetLocalDataShare (2, 512 * local_size / 4);
total += Execute ("kernel(bitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, slice_global_size, slice_local_size);
});
total += Execute ("kernel(encrypt)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_encrypt, 0, global_size, local_size);
});
total += Execute ("kernel(unbitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, slice_global_size, slice_local_size);
});
}
total += Execute ("read", memTests, input.Length, delegate () {
queue.ReadBuffer (mem, 0, output, 0, output.Length);
});
}
WriteTime ("total", total, input.Length);
#if true
AES.Encrypt (key, input, output_ref);
for (int i = 0; i < output.Length; i++)
if (output[i] != output_ref[i]) {
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine ("err");
Console.ForegroundColor = ConsoleColor.White;
break;
}
#endif
Console.WriteLine ("cmpl");
Console.ReadLine ();
}示例7: AESTest
static void AESTest()
{
const int memTests = 1;
const int encryptTests = 1;
byte[] key = new byte[16];
byte[] input = new byte[1024 * 1024 * 64];
byte[] output = new byte[input.Length];
byte[] output_ref = new byte[input.Length];
byte[] expandedKey;
new Random ().NextBytes (key);
new Random ().NextBytes (input);
AES.KeyExpansion (key, out expandedKey);
TimeSpan total = TimeSpan.Zero;
using (Context context = new Context (DeviceType.GPU))
using (CommandQueue queue = context.CreateCommandQueue (context.Devices[0], CommandQueueProperties.Default))
#if false
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("bitslice_aes2"), context.Devices, null))
using (Memory mem = context.CreateBuffer (MemoryFlags.ReadWrite, input.Length))
using (Memory keyMem = context.CreateBuffer (MemoryFlags.ReadWrite, expandedKey.Length * 32)) {
using (Memory nonsliceKeyMem = context.CreateBuffer (MemoryFlags.WriteOnly, expandedKey.Length))
using (Kernel kernel = prog.CreateKernel ("bitslice_key")) {
kernel.SetArgument (0, nonsliceKeyMem);
kernel.SetArgument (1, keyMem);
queue.WriteBuffer (nonsliceKeyMem, 0, expandedKey, 0, expandedKey.Length);
queue.Execute (kernel, 0, expandedKey.Length * 8 / 4, 8);
}
int global_size = input.Length / (16 * 32);
int local_size = (int)queue.Device.LocalMemSize / 512 / 2;
while (local_size > global_size)
local_size >>= 1;
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (mem, 0, input, 0, input.Length);
});
#if false
using (Kernel kernel_encrypt = prog.CreateKernel ("encrypt1")) {
kernel_encrypt.SetArgument (0, mem);
kernel_encrypt.SetArgument (1, keyMem);
kernel_encrypt.SetLocalDataShare (2, 512 * local_size);
total += Execute ("kernel(encrypt)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_encrypt, 0, global_size, local_size);
});
}
#else
using (Kernel kernel_encrypt2 = prog.CreateKernel ("encrypt2"))
using (Kernel kernel_bitslice = prog.CreateKernel ("bitslice_kernel")) {
kernel_bitslice.SetArgument (0, mem);
kernel_encrypt2.SetArgument (0, mem);
kernel_encrypt2.SetArgument (1, keyMem);
kernel_encrypt2.SetLocalDataShare (2, 512 * local_size);
#if true
total += Execute ("kernel(bitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, global_size, local_size);
});
total += Execute ("kernel(encrypt2)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_encrypt2, 0, global_size, local_size);
});
total += Execute ("kernel(unbitslice)", encryptTests, input.Length, delegate () {
queue.Execute (kernel_bitslice, 0, global_size, local_size);
});
#else
total += Execute ("kernel", encryptTests, input.Length, delegate () {
EventHandle bitslice_wait, encrypt_wait;
queue.ExecuteAsync (kernel_bitslice, 0, global_size, local_size, out bitslice_wait);
queue.ExecuteAsync (kernel_encrypt2, 0, global_size, local_size, new EventHandle[] { bitslice_wait }, out encrypt_wait);
queue.Execute (kernel_bitslice, 0, global_size, local_size, new EventHandle[] { encrypt_wait });
});
#endif
}
#endif
total += Execute ("read", memTests, input.Length, delegate () {
queue.ReadBuffer (mem, 0, output, 0, output.Length);
});
}
#elif false
using (CLProgram prog = context.CreateProgram (OclCodeStore.GetOclCode ("bitslice_aes"), context.Devices, null))
using (Memory inMem = context.CreateBuffer (MemoryFlags.ReadWrite, input.Length))
using (Memory keyMem = context.CreateBuffer (MemoryFlags.ReadWrite, expandedKey.Length * 32)) {
using (Memory nonsliceKeyMem = context.CreateBuffer (MemoryFlags.ReadOnly, expandedKey.Length))
using (Kernel kernel = prog.CreateKernel ("bitslice_key")) {
kernel.SetArgument (0, nonsliceKeyMem);
kernel.SetArgument (1, keyMem);
queue.WriteBuffer (nonsliceKeyMem, 0, expandedKey, 0, expandedKey.Length);
queue.Execute (kernel, 0, expandedKey.Length * 8, 128);
}
int global_size = input.Length / 16;
int local_size = 128;
total += Execute ("write", memTests, input.Length, delegate () {
queue.WriteBuffer (inMem, 0, input, 0, input.Length);
});
using (Kernel kernel = prog.CreateKernel ("encrypt")) {
//.........这里部分代码省略.........
示例8: SetupOpenCL
private IDisposable SetupOpenCL(out Context context, out Device device, out CommandQueue commandQueue, out Kernel kernel, out Kernel kernel4, bool runOnGPU, bool useRelaxedMath, bool enableProfiling)
{
DisposableCollection<IDisposable> disposables = new DisposableCollection<IDisposable>(true);
try
{
string buildOptions = "-cl-fast-relaxed-math";
if (runOnGPU)
Console.WriteLine("Trying to run on a processor graphics");
else
Console.WriteLine("Trying to run on a CPU");
Platform platform = GetIntelOpenCLPlatform();
Assert.IsNotNull(platform, "Failed to find Intel OpenCL platform.");
// create the OpenCL context
if (runOnGPU)
{
Device[] devices = platform.GetDevices(DeviceType.Gpu);
device = devices[0];
context = Context.Create(device);
disposables.Add(context);
}
else
{
Device[] devices = platform.GetDevices(DeviceType.Cpu);
device = devices[0];
context = Context.Create(device);
}
commandQueue = context.CreateCommandQueue(device, enableProfiling ? CommandQueueProperties.ProfilingEnable : 0);
disposables.Add(commandQueue);
string source = @"
__kernel void
SimpleKernel( const __global float *input, __global float *output)
{
size_t index = get_global_id(0);
output[index] = rsqrt(fabs(input[index]));
}
__kernel /*__attribute__((vec_type_hint(float4))) */ void
SimpleKernel4( const __global float4 *input, __global float4 *output)
{
size_t index = get_global_id(0);
output[index] = rsqrt(fabs(input[index]));
}
";
Program program = context.CreateProgramWithSource(source);
disposables.Add(program);
program.Build(useRelaxedMath ? buildOptions : null);
kernel = program.CreateKernel("SimpleKernel");
disposables.Add(kernel);
kernel4 = program.CreateKernel("SimpleKernel4");
disposables.Add(kernel4);
Console.WriteLine("Using device {0}...", device.Name);
Console.WriteLine("Using {0} compute units...", device.MaxComputeUnits);
Console.WriteLine("Buffer alignment required for zero-copying is {0} bytes", device.MemoryBaseAddressAlignment);
}
catch
{
disposables.Dispose();
throw;
}
return disposables;
}