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provide u64 broadcasting mechanism in base layer wavefront lane context, allows more flexible data sharing mechanism which does not depend on statics; reshape dasm building codepath for clicking into artifact cache

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This commit is contained in:
Ryan Fleury
2025-09-22 16:21:30 -07:00
parent 8a1e6ab2e6
commit 4b1939bd6d
12 changed files with 444 additions and 146 deletions
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src/base/base_entry_point.c
+2
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@@ -117,6 +117,7 @@ main_thread_base_entry_point(int arguments_count, char **arguments)
U64 num_main_threads_clamped = Min(num_async_threads, num_main_threads);
num_async_threads -= num_main_threads_clamped;
num_async_threads = Max(1, num_async_threads);
U64 lane_broadcast_val = 0;
Barrier barrier = barrier_alloc(num_async_threads);
LaneCtx *lane_ctxs = push_array(scratch.arena, LaneCtx, num_async_threads);
async_threads_count = num_async_threads;
@@ -126,6 +127,7 @@ main_thread_base_entry_point(int arguments_count, char **arguments)
lane_ctxs[idx].lane_idx = idx;
lane_ctxs[idx].lane_count = num_async_threads;
lane_ctxs[idx].barrier = barrier;
lane_ctxs[idx].broadcast_memory = &lane_broadcast_val;
async_threads[idx] = thread_launch(async_thread_entry_point, &lane_ctxs[idx]);
}
}