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[CK_TILE] Fix Windows build in FMHA head grouping #5977

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Merged
brockhargreaves-amd merged 2 commits into from
Mar 30, 2026
Merged

[CK_TILE] Fix Windows build in FMHA head grouping #5977

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[CK_TILE] Fix Windows build in FMHA head grouping
hyoon1 Mar 28, 2026
64bcf37
Merge branch 'develop' into users/hyoon1/ck/fmha-group-head-win
hyoon1 Mar 29, 2026
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13 changes: 12 additions & 1 deletion projects/composablekernel/example/ck_tile/01_fmha/fmha_fwd_head_grouping.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,13 +8,16 @@
#include <algorithm>
#include <cctype>
#include <cstdio>
#include <dirent.h>
#include <fstream>
#include <iostream>
#include <limits>
#include <optional>
#include <string>

#ifdef __linux__
#include <dirent.h>
#endif

#ifndef CK_TILE_FMHA_ENABLE_HEAD_GROUPING
#define CK_TILE_FMHA_ENABLE_HEAD_GROUPING 1
#endif
Expand Down Expand Up @@ -70,6 +73,8 @@ inline std::optional<long long> read_property_value(const std::string& filepath,
return std::nullopt;
}

#if defined(__linux__)

struct kfd_device_location
{
int domain = 0;
Expand Down Expand Up @@ -176,6 +181,12 @@ inline size_t get_kfd_sysfs_llc_cache_bytes()
return read_kfd_node_l3_bytes(*node);
}

#else

inline size_t get_kfd_sysfs_llc_cache_bytes() { return 0; }

#endif

inline size_t get_default_llc_cache_bytes_for_arch(const std::string& arch);

inline size_t resolve_llc_cache_bytes_uncached(const std::string& arch)
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