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define synchronization primitive interface in base layer, implement using os layer; convert all usage -> base layer; use base sync primitives in lane tctx info

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This commit is contained in:
Ryan Fleury
2025-08-18 10:46:43 -07:00
parent a48651471d
commit c33dd2869a
49 changed files with 1454 additions and 1293 deletions
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src/base/base_thread_context.c
+5 -9
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@@ -21,7 +21,7 @@ tctx_alloc(void)
TCTX *tctx = push_array(arena, TCTX, 1);
tctx->arenas[0] = arena;
tctx->arenas[1] = arena_alloc();
tctx->lane_count = 1;
tctx->lane_ctx.lane_count = 1;
return tctx;
}
@@ -76,27 +76,23 @@ tctx_get_scratch(Arena **conflicts, U64 count)
//- rjf: lane metadata
internal void
tctx_set_lane_info(U64 lane_idx, U64 lane_count)
tctx_set_lane_ctx(LaneCtx lane_ctx)
{
TCTX *tctx = tctx_selected();
OS_Handle barrier = os_barrier_alloc(lane_count);
tctx->lane_idx = lane_idx;
tctx->lane_count = lane_count;
tctx->lane_barrier_id = barrier.u64[0];
tctx->lane_ctx = lane_ctx;
}
internal void
tctx_lane_barrier_wait(void)
{
TCTX *tctx = tctx_selected();
OS_Handle barrier = {tctx->lane_barrier_id};
os_barrier_wait(barrier);
os_barrier_wait(tctx->lane_ctx.barrier);
}
internal Rng1U64
tctx_lane_idx_range_from_count(U64 count)
{
U64 idxes_per_lane = count/lane_count();
U64 idxes_per_lane = (count + lane_count()-1) / lane_count();
U64 lane_base_idx = lane_idx()*idxes_per_lane;
U64 lane_opl_idx = lane_base_idx + idxes_per_lane;
U64 lane_opl_idx__clamped = Min(lane_opl_idx, count);