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ircd::gpt::model: Fixes for amdgpu mmaps; reenable mapping by default.
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1 changed files with 7 additions and 2 deletions
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@ -93,7 +93,7 @@ decltype(ircd::gpt::model::cache_mapped)
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ircd::gpt::model::cache_mapped
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{
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{ "name", "ircd.gpt.model.cache.mapped" },
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{ "default", false },
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{ "default", true },
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};
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decltype(ircd::gpt::model::cache_locked)
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@ -273,8 +273,13 @@ ircd::gpt::model::init_from_cache(const string_view &cache_path)
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.locked = bool(cache_locked),
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.huge2mb = bool(cache_hugepage),
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};
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map_opts.mode = mode;
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// amdgpu requires both anon and shms to be read-write even if we
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// open the fd read-only and use read-only cl_mems.
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if(cache_mapped)
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map_opts.mode |= std::ios::out;
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default_model_shm = fs::map
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{
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fd, map_size, map_opts,
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