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Add support for few CUDA compatible reduction operations like __syncthreads_count()

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Change-Id: I0917820058f0edad5c0bdd42dea37f06353fc63c
This commit is contained in:
mshivama
2020-06-22 15:25:00 +05:30
committed by Mahesha Shivamallappa
parent b2b5a821df
commit 27e237ef48
5 changed files with 508 additions and 0 deletions
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include/hip/hcc_detail/device_functions.h
+24
View File
@@ -1131,6 +1131,30 @@ void __syncthreads()
__barrier(__CLK_LOCAL_MEM_FENCE);
}
__device__
inline
__attribute__((convergent))
int __syncthreads_count(int predicate)
{
return __ockl_wgred_add_i32(!!predicate);
}
__device__
inline
__attribute__((convergent))
int __syncthreads_and(int predicate)
{
return __ockl_wgred_and_i32(!!predicate);
}
__device__
inline
__attribute__((convergent))
int __syncthreads_or(int predicate)
{
return __ockl_wgred_or_i32(!!predicate);
}
// hip.amdgcn.bc - device routine
/*
HW_ID Register bit structure
include/hip/hcc_detail/device_library_decls.h
+5
View File
@@ -74,6 +74,11 @@ extern "C" __device__ __attribute__((convergent)) void __ockl_multi_grid_sync(vo
extern "C" __device__ void __ockl_atomic_add_noret_f32(float*, float);
extern "C" __device__ __attribute__((convergent)) int __ockl_wgred_add_i32(int a);
extern "C" __device__ __attribute__((convergent)) int __ockl_wgred_and_i32(int a);
extern "C" __device__ __attribute__((convergent)) int __ockl_wgred_or_i32(int a);
// Introduce local address space
#define __local __attribute__((address_space(3)))
tests/src/deviceLib/hip_test_syncthreads_and.cpp
+155
View File
@@ -0,0 +1,155 @@
/*
Copyright (c) 2020 - present Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/* HIT_START
* BUILD: %t %s ../test_common.cpp
* TEST: %t
* HIT_END
*/
#include <hip/hip_runtime.h>
#include "test_common.h"
#define ASSERT_EQUAL(lhs, rhs) assert(lhs == rhs)
static __global__
void kernel_syncthreads_and(int *syncTestD,
int *allThreadsZeroD,
int *allThreadsOneD,
int *oneThreadZeroD,
int *allThreadsMinusOneD)
{
int blockSize = blockDim.x;
int predicate = 10;
// First block index starts with 0, and second block index starts
// with blockSize
int i = (blockIdx.x == 0) ? threadIdx.x : blockSize + threadIdx.x;
// At very first, we need to ensure work-group level syncronization
// properly happened, don't bother about predicate testing for now.
// Thread 0 and thread 1 writes to shared memory. After call to api,
// every thread reads shared memory, and store product for verification
__shared__ int sm[2];
if (threadIdx.x == 0)
sm[0] = 10;
else if (threadIdx.x == 1)
sm[1] = 20;
__syncthreads_and(predicate);
syncTestD[i] = sm[0] * sm[1];
// All threads pass 0 as predicate value, result should be 0
predicate = 0;
allThreadsZeroD[i] = __syncthreads_and(predicate);
// All threads pass 1 as predicate value, result should be 1
predicate = 1;
allThreadsOneD[i] = __syncthreads_and(predicate);
// Thread 0 pass 0, and all other threads 1 as predicate value,
// result should be 0
predicate = (threadIdx.x == 0) ? 0 : 1;
oneThreadZeroD[i] = __syncthreads_and(predicate);
// All threads pass -1 as predicate value, result should be 1
predicate = -1;
allThreadsMinusOneD[i] = __syncthreads_and(predicate);
}
static void test_syncthreads_and(int blockSize)
{
int nBytes = sizeof(int) * 2 * blockSize;
int * syncTestD, *syncTestH;
int *allThreadsZeroD, *allThreadsZeroH;
int *allThreadsOneD, *allThreadsOneH;
int *oneThreadZeroD, *oneThreadZeroH;
int *allThreadsMinusOneD, *allThreadsMinusOneH;
// Allocate device memory
ASSERT_EQUAL(hipMalloc((void**)&syncTestD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsZeroD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&oneThreadZeroD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsMinusOneD, nBytes), hipSuccess);
// Allocate host memory
ASSERT_EQUAL(hipHostMalloc((void**)&syncTestH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsZeroH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&oneThreadZeroH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsMinusOneH, nBytes), hipSuccess);
// Launch Kernel
hipLaunchKernelGGL(kernel_syncthreads_and,
2,
blockSize,
0,
0,
syncTestD,
allThreadsZeroD,
allThreadsOneD,
oneThreadZeroD,
allThreadsMinusOneD);
// Copy result from device to host
ASSERT_EQUAL(hipMemcpy(syncTestH, syncTestD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsZeroH, allThreadsZeroD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsOneH, allThreadsOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(oneThreadZeroH, oneThreadZeroD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsMinusOneH, allThreadsMinusOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
// Validate results for both blocks together
for (int i = 0; i < 2 * blockSize; ++i) {
ASSERT_EQUAL(syncTestH[i], 200);
ASSERT_EQUAL(allThreadsZeroH[i], 0);
ASSERT_EQUAL(allThreadsOneH[i], 1);
ASSERT_EQUAL(oneThreadZeroH[i], 0);
ASSERT_EQUAL(allThreadsMinusOneH[i], 1);
}
// Free device memory
ASSERT_EQUAL(hipFree(syncTestD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsZeroD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsOneD), hipSuccess);
ASSERT_EQUAL(hipFree(oneThreadZeroD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsMinusOneD), hipSuccess);
//Free host memory
ASSERT_EQUAL(hipHostFree(syncTestH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsZeroH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(oneThreadZeroH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsMinusOneH), hipSuccess);
}
int main()
{
int blockSizes[] = {10, 40, 70, 130, 240, 723, 32, 64, 128, 256, 512, 1024};
for (int i = 0; i < (sizeof(blockSizes) / sizeof(blockSizes[0])); ++i)
test_syncthreads_and(blockSizes[i]);
passed();
}
tests/src/deviceLib/hip_test_syncthreads_count.cpp
+169
View File
@@ -0,0 +1,169 @@
/*
Copyright (c) 2020 - present Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/* HIT_START
* BUILD: %t %s ../test_common.cpp
* TEST: %t
* HIT_END
*/
#include <hip/hip_runtime.h>
#include "test_common.h"
#define ASSERT_EQUAL(lhs, rhs) assert(lhs == rhs)
static __global__
void kernel_syncthreads_count(int *syncTestD,
int *allThreadsZeroD,
int *allThreadsOneD,
int *oddThreadsOneD,
int *allThreadsMinusOneD,
int *allThreadsIdD)
{
int blockSize = blockDim.x;
int predicate = 10;
// First block index starts with 0, and second block index starts
// with blockSize
int i = (blockIdx.x == 0) ? threadIdx.x : blockSize + threadIdx.x;
// At very first, we need to ensure work-group level syncronization
// properly happened, don't bother about predicate testing for now.
// Thread 0 and thread 1 writes to shared memory. After call to api,
// every thread reads shared memory, and store sum for verification
__shared__ int sm[2];
if (threadIdx.x == 0)
sm[0] = 10;
else if (threadIdx.x == 1)
sm[1] = 20;
__syncthreads_count(predicate);
syncTestD[i] = sm[0] + sm[1];
// All threads pass 0 as predicate value, result should be 0
predicate = 0;
allThreadsZeroD[i] = __syncthreads_count(predicate);
// All threads pass 1 as predicate value, result should be blockSize
predicate = 1;
allThreadsOneD[i] = __syncthreads_count(predicate);
// Odd numbered threads pass 1, and even numbered threads pass 0, as
// predicate value, result should be blockSize / 2
predicate = threadIdx.x % 2;
oddThreadsOneD[i] = __syncthreads_count(predicate);
// All threads pass -1 as predicate value, result should blockSize
predicate = -1;
allThreadsMinusOneD[i] = __syncthreads_count(predicate);
// Each thread pass its ID as predicate value, result should be blockSize - 1
predicate = threadIdx.x;
allThreadsIdD[i] = __syncthreads_count(predicate);
}
void test_syncthreads_count(int blockSize)
{
int nBytes = sizeof(int) * 2 * blockSize;
int * syncTestD, *syncTestH;
int *allThreadsZeroD, *allThreadsZeroH;
int *allThreadsOneD, *allThreadsOneH;
int *oddThreadsOneD, *oddThreadsOneH;
int *allThreadsMinusOneD, *allThreadsMinusOneH;
int *allThreadsIdD, *allThreadsIdH;
// Allocate device memory
ASSERT_EQUAL(hipMalloc((void**)&syncTestD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsZeroD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&oddThreadsOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsMinusOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsIdD, nBytes), hipSuccess);
// Allocate host memory
ASSERT_EQUAL(hipHostMalloc((void**)&syncTestH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsZeroH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&oddThreadsOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsMinusOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsIdH, nBytes), hipSuccess);
// Launch Kernel
hipLaunchKernelGGL(kernel_syncthreads_count,
2,
blockSize,
0,
0,
syncTestD,
allThreadsZeroD,
allThreadsOneD,
oddThreadsOneD,
allThreadsMinusOneD,
allThreadsIdD);
// Copy result from device to host
ASSERT_EQUAL(hipMemcpy(syncTestH, syncTestD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsZeroH, allThreadsZeroD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsOneH, allThreadsOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(oddThreadsOneH, oddThreadsOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsMinusOneH, allThreadsMinusOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsIdH, allThreadsIdD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
// Validate results for both the blocks together
for (int i = 0; i < 2 * blockSize; ++i) {
ASSERT_EQUAL(syncTestH[i], 30);
ASSERT_EQUAL(allThreadsZeroH[i], 0);
ASSERT_EQUAL(allThreadsOneH[i], blockSize);
ASSERT_EQUAL(oddThreadsOneH[i], blockSize / 2);
ASSERT_EQUAL(allThreadsMinusOneH[i], blockSize);
ASSERT_EQUAL(allThreadsIdH[i], (blockSize-1));
}
// Free device memory
ASSERT_EQUAL(hipFree(syncTestD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsZeroD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsOneD), hipSuccess);
ASSERT_EQUAL(hipFree(oddThreadsOneD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsMinusOneD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsIdD), hipSuccess);
//Free host memory
ASSERT_EQUAL(hipHostFree(syncTestH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsZeroH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(oddThreadsOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsMinusOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsIdH), hipSuccess);
}
int main()
{
int blockSizes[] = {10, 40, 70, 130, 240, 723, 32, 64, 128, 256, 512, 1024};
for (int i = 0; i < (sizeof(blockSizes) / sizeof(blockSizes[0])); ++i)
test_syncthreads_count(blockSizes[i]);
passed();
}
tests/src/deviceLib/hip_test_syncthreads_or.cpp
+155
View File
@@ -0,0 +1,155 @@
/*
Copyright (c) 2020 - present Advanced Micro Devices, Inc. All rights reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
/* HIT_START
* BUILD: %t %s ../test_common.cpp
* TEST: %t
* HIT_END
*/
#include <hip/hip_runtime.h>
#include "test_common.h"
#define ASSERT_EQUAL(lhs, rhs) assert(lhs == rhs)
static __global__
void kernel_syncthreads_or(int *syncTestD,
int *allThreadsZeroD,
int *allThreadsOneD,
int *oneThreadOneD,
int *allThreadsMinusOneD)
{
int blockSize = blockDim.x;
int predicate = 10;
// First block index starts with 0, and second block index starts
// with blockSize
int i = (blockIdx.x == 0) ? threadIdx.x : blockSize + threadIdx.x;
// At very first, we need to ensure work-group level syncronization
// properly happened, don't bother about predicate testing for now.
// Thread 0 and thread 1 writes to shared memory. After call to api,
// every thread reads shared memory, and store subtraction for verification
__shared__ int sm[2];
if (threadIdx.x == 0)
sm[0] = 10;
else if (threadIdx.x == 1)
sm[1] = 20;
__syncthreads_or(predicate);
syncTestD[i] = sm[1] - sm[0];
// All threads pass 0 as predicate value, result should be 0
predicate = 0;
allThreadsZeroD[i] = __syncthreads_or(predicate);
// All threads pass 1 as predicate value, result should be 1
predicate = 1;
allThreadsOneD[i] = __syncthreads_or(predicate);
// Thread 0 pass 1, and all other threads 0 as predicate value,
// result should be 1
predicate = (threadIdx.x == 0) ? 1 : 0;
oneThreadOneD[i] = __syncthreads_or(predicate);
// All threads pass -1 as predicate value, result should be 1
predicate = -1;
allThreadsMinusOneD[i] = __syncthreads_or(predicate);
}
static void test_syncthreads_or(int blockSize)
{
int nBytes = sizeof(int) * 2 * blockSize;
int * syncTestD, *syncTestH;
int *allThreadsZeroD, *allThreadsZeroH;
int *allThreadsOneD, *allThreadsOneH;
int *oneThreadOneD, *oneThreadOneH;
int *allThreadsMinusOneD, *allThreadsMinusOneH;
// Allocate device memory
ASSERT_EQUAL(hipMalloc((void**)&syncTestD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsZeroD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&oneThreadOneD, nBytes), hipSuccess);
ASSERT_EQUAL(hipMalloc((void**)&allThreadsMinusOneD, nBytes), hipSuccess);
// Allocate host memory
ASSERT_EQUAL(hipHostMalloc((void**)&syncTestH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsZeroH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&oneThreadOneH, nBytes), hipSuccess);
ASSERT_EQUAL(hipHostMalloc((void**)&allThreadsMinusOneH, nBytes), hipSuccess);
// Launch Kernel
hipLaunchKernelGGL(kernel_syncthreads_or,
2,
blockSize,
0,
0,
syncTestD,
allThreadsZeroD,
allThreadsOneD,
oneThreadOneD,
allThreadsMinusOneD);
// Copy result from device to host
ASSERT_EQUAL(hipMemcpy(syncTestH, syncTestD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsZeroH, allThreadsZeroD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsOneH, allThreadsOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(oneThreadOneH, oneThreadOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
ASSERT_EQUAL(hipMemcpy(allThreadsMinusOneH, allThreadsMinusOneD, nBytes, hipMemcpyDeviceToHost),
hipSuccess);
// Validate results for both blocks together
for (int i = 0; i < 2 * blockSize; ++i) {
ASSERT_EQUAL(syncTestH[i], 10);
ASSERT_EQUAL(allThreadsZeroH[i], 0);
ASSERT_EQUAL(allThreadsOneH[i], 1);
ASSERT_EQUAL(oneThreadOneH[i], 1);
ASSERT_EQUAL(allThreadsMinusOneH[i], 1);
}
// Free device memory
ASSERT_EQUAL(hipFree(syncTestD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsZeroD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsOneD), hipSuccess);
ASSERT_EQUAL(hipFree(oneThreadOneD), hipSuccess);
ASSERT_EQUAL(hipFree(allThreadsMinusOneD), hipSuccess);
//Free host memory
ASSERT_EQUAL(hipHostFree(syncTestH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsZeroH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(oneThreadOneH), hipSuccess);
ASSERT_EQUAL(hipHostFree(allThreadsMinusOneH), hipSuccess);
}
int main()
{
int blockSizes[] = {10, 40, 70, 130, 240, 723, 32, 64, 128, 256, 512, 1024};
for (int i = 0; i < (sizeof(blockSizes) / sizeof(blockSizes[0])); ++i)
test_syncthreads_or(blockSizes[i]);
passed();
}