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Fixed various compilation warnings

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This commit is contained in:
jpekkila
2020-05-30 20:23:53 +03:00
parent b719306266
commit 176ceae313
2 changed files with 29 additions and 33 deletions
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32
samples/bwtest/main.c
View File

@@ -13,6 +13,8 @@
//#define BLOCK_SIZE (100 * 1024 * 1024) // Bytes
#define BLOCK_SIZE (256 * 256 * 3 * 8 * 8)
#define errchk(x) { if (!(x)) { fprintf(stderr, "errchk(%s) failed", #x); assert(x); }}
/*
Findings:
- MUST ALWAYS SET DEVICE. Absolutely kills performance if device is not set explicitly
@@ -27,7 +29,7 @@ static uint8_t*
allocHost(const size_t bytes)
{
uint8_t* arr = malloc(bytes);
assert(arr);
errchk(arr);
return arr;
}
@@ -47,7 +49,7 @@ allocDevice(const size_t bytes)
// const cudaError_t retval = cudaMallocManaged((void**)&arr, bytes, cudaMemAttachGlobal);
// Pinned (40 GiB/s internode, 10 GiB/s intranode)
// const cudaError_t retval = cudaMallocHost((void**)&arr, bytes);
assert(retval == cudaSuccess);
errchk(retval == cudaSuccess);
return arr;
}
@@ -61,7 +63,7 @@ allocDevicePinned(const size_t bytes)
// const cudaError_t retval = cudaMallocManaged((void**)&arr, bytes, cudaMemAttachGlobal);
// Pinned (40 GiB/s internode, 10 GiB/s intranode)
const cudaError_t retval = cudaMallocHost((void**)&arr, bytes);
assert(retval == cudaSuccess);
errchk(retval == cudaSuccess);
return arr;
}
@@ -147,6 +149,7 @@ sendrecv_nonblocking_multiple(uint8_t* src, uint8_t* dst)
}
}
/*
static void
sendrecv_nonblocking_multiple_parallel(uint8_t* src, uint8_t* dst)
{
@@ -154,7 +157,7 @@ sendrecv_nonblocking_multiple_parallel(uint8_t* src, uint8_t* dst)
MPI_Comm_rank(MPI_COMM_WORLD, &pid);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
MPI_Request recv_requests[nprocs], send_requests[nprocs];
MPI_Request send_requests[nprocs];
for (int i = 1; i < nprocs; ++i) {
int nfront = (pid + i) % nprocs;
MPI_Isend(src, BLOCK_SIZE, MPI_BYTE, nfront, nfront, MPI_COMM_WORLD, &send_requests[i]);
@@ -180,6 +183,7 @@ sendrecv_nonblocking_multiple_parallel(uint8_t* src, uint8_t* dst)
MPI_Wait(&send_requests[i], &status);
}
}
*/
static void
sendrecv_nonblocking_multiple_rt_pinning(uint8_t* src, uint8_t* dst)
@@ -198,8 +202,6 @@ sendrecv_nonblocking_multiple_rt_pinning(uint8_t* src, uint8_t* dst)
int devices_per_node = -1;
cudaGetDeviceCount(&devices_per_node);
const int node_id = pid / devices_per_node;
MPI_Request recv_requests[nprocs], send_requests[nprocs];
for (int i = 1; i < nprocs; ++i) {
int nfront = (pid + i) % nprocs;
@@ -226,20 +228,20 @@ sendrecv_nonblocking_multiple_rt_pinning(uint8_t* src, uint8_t* dst)
}
static void
send_d2h(const uint8_t* src, uint8_t* dst)
send_d2h(uint8_t* src, uint8_t* dst)
{
cudaMemcpy(dst, src, BLOCK_SIZE, cudaMemcpyDeviceToHost);
}
static void
send_h2d(const uint8_t* src, uint8_t* dst)
send_h2d(uint8_t* src, uint8_t* dst)
{
cudaMemcpy(dst, src, BLOCK_SIZE, cudaMemcpyHostToDevice);
}
static void
sendrecv_d2h2d(const uint8_t* dsrc, uint8_t* hdst, const uint8_t* hsrc, uint8_t* ddst)
sendrecv_d2h2d(uint8_t* dsrc, uint8_t* hdst, uint8_t* hsrc, uint8_t* ddst)
{
cudaStream_t d2h, h2d;
cudaStreamCreate(&d2h);
@@ -299,8 +301,8 @@ measurebw(const char* msg, const size_t bytes, void (*sendrecv)(uint8_t*, uint8_
static void
measurebw2(const char* msg, const size_t bytes, void (*sendrecv)(const uint8_t*, uint8_t*, const uint8_t*, uint8_t*), const uint8_t* dsrc, uint8_t* hdst,
const uint8_t* hsrc, uint8_t* ddst)
measurebw2(const char* msg, const size_t bytes, void (*sendrecv)(uint8_t*, uint8_t*, uint8_t*, uint8_t*), uint8_t* dsrc, uint8_t* hdst,
uint8_t* hsrc, uint8_t* ddst)
{
const size_t num_samples = 100;
@@ -342,7 +344,7 @@ main(void)
MPI_Init(NULL, NULL);
// int provided;
// MPI_Init_thread(NULL, NULL, MPI_THREAD_MULTIPLE, &provided);
// assert(provided >= MPI_THREAD_MULTIPLE);
// errchk(provided >= MPI_THREAD_MULTIPLE);
// Disable stdout buffering
setbuf(stdout, NULL);
@@ -350,7 +352,7 @@ main(void)
int pid, nprocs;
MPI_Comm_rank(MPI_COMM_WORLD, &pid);
MPI_Comm_size(MPI_COMM_WORLD, &nprocs);
assert(nprocs >= 2); // Require at least one neighbor
errchk(nprocs >= 2); // Require at least one neighbor
MPI_Barrier(MPI_COMM_WORLD);
if (!pid) {
@@ -432,7 +434,7 @@ main(void)
freeDevice(dst);
}
PRINT("\n------------------------\n");
{
uint8_t* hsrc = allocHost(BLOCK_SIZE);
uint8_t* hdst = allocHost(BLOCK_SIZE);
@@ -450,7 +452,7 @@ main(void)
freeHost(hdst);
}
PRINT("\n------------------------\n");
{
uint8_t* hsrc = allocHost(BLOCK_SIZE);
uint8_t* hdst = allocHost(BLOCK_SIZE);

30
src/core/device.cc
View File

@@ -962,7 +962,7 @@ acSyncCommData(const CommData data)
static int3
mod(const int3 a, const int3 n)
{
return (int3){mod(a.x, n.x), mod(a.y, n.y), mod(a.z, n.z)};
return (int3){(int)mod(a.x, n.x), (int)mod(a.y, n.y), (int)mod(a.z, n.z)};
}
static void
@@ -1058,7 +1058,6 @@ acTransferCommData(const Device device, //
const int3 dims = data->dims;
const size_t blockcount = data->count;
const size_t count = dims.x * dims.y * dims.z * NUM_VTXBUF_HANDLES;
const int3 nghost = (int3){NGHOST, NGHOST, NGHOST};
for (size_t b0_idx = 0; b0_idx < blockcount; ++b0_idx) {
@@ -1286,7 +1285,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
const Device device = grid.device;
const int3 nn = grid.nn;
CommData corner_data = grid.corner_data;
//CommData corner_data = grid.corner_data; // Do not rm: required for corners
CommData edgex_data = grid.edgex_data;
CommData edgey_data = grid.edgey_data;
CommData edgez_data = grid.edgez_data;
@@ -1297,6 +1296,8 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acDeviceSynchronizeStream(device, stream);
// Corners
/*
// Do not rm: required for corners
const int3 corner_b0s[] = {
(int3){0, 0, 0},
(int3){NGHOST + nn.x, 0, 0},
@@ -1308,6 +1309,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
(int3){0, NGHOST + nn.y, NGHOST + nn.z},
(int3){NGHOST + nn.x, NGHOST + nn.y, NGHOST + nn.z},
};
*/
// Edges X
const int3 edgex_b0s[] = {
@@ -1355,7 +1357,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
};
for (int isubstep = 0; isubstep < 3; ++isubstep) {
// acPackCommData(device, corner_b0s, &corner_data);
// acPackCommData(device, corner_b0s, &corner_data); // Do not rm: required for corners
acPackCommData(device, edgex_b0s, &edgex_data);
acPackCommData(device, edgey_b0s, &edgey_data);
acPackCommData(device, edgez_b0s, &edgez_data);
@@ -1363,18 +1365,10 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acPackCommData(device, sidexz_b0s, &sidexz_data);
acPackCommData(device, sideyz_b0s, &sideyz_data);
//////////// INNER INTEGRATION //////////////
{
const int3 m1 = (int3){2 * NGHOST, 2 * NGHOST, 2 * NGHOST};
const int3 m2 = nn;
acDeviceIntegrateSubstep(device, STREAM_16, isubstep, m1, m2, dt);
}
////////////////////////////////////////////
MPI_Barrier(MPI_COMM_WORLD);
#if MPI_GPUDIRECT_DISABLED
// acTransferCommDataToHost(device, &corner_data);
// acTransferCommDataToHost(device, &corner_data); // Do not rm: required for corners
acTransferCommDataToHost(device, &edgex_data);
acTransferCommDataToHost(device, &edgey_data);
acTransferCommDataToHost(device, &edgez_data);
@@ -1383,7 +1377,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acTransferCommDataToHost(device, &sideyz_data);
#endif
// acTransferCommData(device, corner_b0s, &corner_data);
// acTransferCommData(device, corner_b0s, &corner_data); // Do not rm: required for corners
acTransferCommData(device, edgex_b0s, &edgex_data);
acTransferCommData(device, edgey_b0s, &edgey_data);
acTransferCommData(device, edgez_b0s, &edgez_data);
@@ -1391,7 +1385,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acTransferCommData(device, sidexz_b0s, &sidexz_data);
acTransferCommData(device, sideyz_b0s, &sideyz_data);
// acTransferCommDataWait(corner_data);
// acTransferCommDataWait(corner_data); // Do not rm: required for corners
acTransferCommDataWait(edgex_data);
acTransferCommDataWait(edgey_data);
acTransferCommDataWait(edgez_data);
@@ -1400,7 +1394,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acTransferCommDataWait(sideyz_data);
#if MPI_GPUDIRECT_DISABLED
// acTransferCommDataToDevice(device, &corner_data);
// acTransferCommDataToDevice(device, &corner_data); // Do not rm: required for corners
acTransferCommDataToDevice(device, &edgex_data);
acTransferCommDataToDevice(device, &edgey_data);
acTransferCommDataToDevice(device, &edgez_data);
@@ -1409,7 +1403,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
acTransferCommDataToDevice(device, &sideyz_data);
#endif
// acUnpinCommData(device, &corner_data);
// acUnpinCommData(device, &corner_data); // Do not rm: required for corners
acUnpinCommData(device, &edgex_data);
acUnpinCommData(device, &edgey_data);
acUnpinCommData(device, &edgez_data);
@@ -1427,7 +1421,7 @@ acGridIntegrate(const Stream stream, const AcReal dt)
//////////// OUTER INTEGRATION //////////////
// Wait for unpacking
// acSyncCommData(corner_data);
// acSyncCommData(corner_data); // Do not rm: required for corners
acSyncCommData(edgex_data);
acSyncCommData(edgey_data);
acSyncCommData(edgez_data);