mirror of
https://github.com/firestar5683/StarPilot.git
synced 2026-11-08 05:23:41 +08:00
Daniel Koepping
17 lines
827 B
C++
17 lines
827 B
C++
#include <hip/hip_runtime.h>
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// Valid inverse writes and padding writes are disjoint, so this needs no initialization pass or grid barrier.
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extern "C" __global__ __launch_bounds__(256) void dispatch_inverse(
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int* __restrict__ out, const int* __restrict__ dest, const int* __restrict__ counts, const int* __restrict__ off) {
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const int group = blockIdx.x / ((ROWS + 255) / 256);
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const int i = (blockIdx.x % ((ROWS + 255) / 256)) * 256 + threadIdx.x;
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if (i < ENTRIES) out[(long long)group * ROWS + dest[(long long)group * ENTRIES + i]] = i;
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if (i < ROWS) {
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int expert = 0;
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#pragma unroll
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for (int e = 1; e < EXPERTS; e++) expert += i >= off[group * (EXPERTS + 1) + e];
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if (i >= off[group * (EXPERTS + 1) + expert] + counts[group * EXPERTS + expert])
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out[(long long)group * ROWS + i] = -1;
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}
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}
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