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Keep masked barriers local under cluster gbar

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This commit is contained in:
abnerhexu
2026-05-27 09:07:47 +08:00
parent 0ad87bde81
commit c87fea5c48
2 changed files with 4 additions and 4 deletions
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2
hw/rtl/core/VX_tensor_ctrl_unit.sv
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@@ -91,7 +91,7 @@ module VX_tensor_ctrl_unit import VX_gpu_pkg::*; #(
assign barrier.id = req_rs1_data[`NB_WIDTH-1:0]; assign barrier.id = req_rs1_data[`NB_WIDTH-1:0];
`ifdef GBAR_ENABLE `ifdef GBAR_ENABLE
`ifdef GBAR_CLUSTER_ENABLE `ifdef GBAR_CLUSTER_ENABLE
assign barrier.is_global = 1'b1; assign barrier.is_global = is_bar_mask ? 1'b0 : 1'b1;
`else `else
assign barrier.is_global = req_rs1_data[31]; assign barrier.is_global = req_rs1_data[31];
`endif `endif

6
hw/rtl/core/VX_wctl_unit.sv
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@@ -113,9 +113,9 @@ module VX_wctl_unit import VX_gpu_pkg::*; #(
assign barrier.id = rs1_data[`NB_WIDTH-1:0]; assign barrier.id = rs1_data[`NB_WIDTH-1:0];
`ifdef GBAR_ENABLE `ifdef GBAR_ENABLE
`ifdef GBAR_CLUSTER_ENABLE `ifdef GBAR_CLUSTER_ENABLE
// all barriers are cluster-wide barriers, which is implemented by // Explicit warp masks are core-local; rs2 carries the mask, not a warp
// modifying the global barrier logic // count for the cluster global-barrier protocol.
assign barrier.is_global = 1'b1; assign barrier.is_global = is_bar_mask ? 1'b0 : 1'b1;
`else `else
assign barrier.is_global = rs1_data[31]; assign barrier.is_global = rs1_data[31];
`endif `endif