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#define FILENAME(line) FILENAME_FOR_EXCEPTIONS_CUDA("src/cuda-kernels/manual_awkward_Content_getitem_next_missing_jagged_getmaskstartstop.cu", line)
#include "awkward/kernels.h"
#include "standard_parallel_algorithms.h"
__global__ void
awkward_Content_getitem_next_missing_jagged_getmaskstartstop_filter_mask(
int64_t* index_in,
int64_t* filtered_index,
int64_t length) {
int64_t thread_id = blockIdx.x * blockDim.x + threadIdx.x;
if(thread_id < length) {
if (index_in[thread_id] >= 0) {
filtered_index[thread_id] = 1;
}
}
}
__global__ void
awkward_Content_getitem_next_missing_jagged_getmaskstartstop_kernel(
int64_t* prefixed_index,
int64_t* index_in,
int64_t* offsets_in,
int64_t* mask_out,
int64_t* starts_out,
int64_t* stops_out,
int64_t length) {
int64_t thread_id = blockIdx.x * blockDim.x + threadIdx.x;
if(thread_id < length) {
int64_t pre_in = prefixed_index[thread_id] - 1;
starts_out[thread_id] = offsets_in[pre_in];
if (index_in[thread_id] < 0) {
mask_out[thread_id] = -1;
stops_out[thread_id] = offsets_in[pre_in];
} else {
mask_out[thread_id] = thread_id;
stops_out[thread_id] = offsets_in[pre_in + 1];
}
}
}
ERROR
awkward_Content_getitem_next_missing_jagged_getmaskstartstop(int64_t* index_in,
int64_t* offsets_in,
int64_t* mask_out,
int64_t* starts_out,
int64_t* stops_out,
int64_t length) {
int64_t* res_temp;
int64_t* filtered_index;
int64_t* h_mask = new int64_t[length];
dim3 blocks_per_grid = blocks(length);
dim3 threads_per_block = threads(length);
HANDLE_ERROR(cudaMalloc((void**)&res_temp, sizeof(int64_t) * length));
HANDLE_ERROR(cudaMalloc((void**)&filtered_index, sizeof(int64_t) * length));
HANDLE_ERROR(cudaMemcpy(
filtered_index, index_in, sizeof(int64_t) * length, cudaMemcpyDeviceToDevice));
awkward_Content_getitem_next_missing_jagged_getmaskstartstop_filter_mask<<<
blocks_per_grid,
threads_per_block>>>(index_in, filtered_index, length);
exclusive_scan<int64_t, int64_t>(res_temp, filtered_index, length);
awkward_Content_getitem_next_missing_jagged_getmaskstartstop_kernel<<<blocks_per_grid,
threads_per_block>>>(
res_temp, index_in, offsets_in, mask_out, starts_out, stops_out, length);
cudaDeviceSynchronize();
return success();
}
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