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Use GBAR_CLUSTER_ENABLE to guard cluster-specific modification

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This commit is contained in:
Hansung Kim
2024-03-17 18:24:04 -07:00
parent 7f8abe99ff
commit 2525df9c5f
2 changed files with 12 additions and 0 deletions
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6
hw/rtl/core/VX_schedule.sv
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@@ -231,7 +231,13 @@ module VX_schedule import VX_gpu_pkg::*; #(
`ifdef GBAR_ENABLE `ifdef GBAR_ENABLE
if (warp_ctl_if.valid && warp_ctl_if.barrier.valid if (warp_ctl_if.valid && warp_ctl_if.barrier.valid
&& warp_ctl_if.barrier.is_global && warp_ctl_if.barrier.is_global
`ifdef GBAR_CLUSTER_ENABLE
// engage cluster barrier as soon as the barrier count is
// fulfilled, instead of requiring all warps to be synchronized
&& (active_barrier_count[`NW_WIDTH-1:0] == warp_ctl_if.barrier.size_m1[`NW_WIDTH-1:0])) begin
`else
&& (curr_barrier_mask_n == active_warps)) begin && (curr_barrier_mask_n == active_warps)) begin
`endif
gbar_req_valid <= 1; gbar_req_valid <= 1;
gbar_req_id <= warp_ctl_if.barrier.id; gbar_req_id <= warp_ctl_if.barrier.id;
gbar_req_size_m1 <= warp_ctl_if.barrier.size_m1[`NC_WIDTH-1:0]; gbar_req_size_m1 <= warp_ctl_if.barrier.size_m1[`NC_WIDTH-1:0];

6
hw/rtl/core/VX_wctl_unit.sv
View File

@@ -109,7 +109,13 @@ module VX_wctl_unit import VX_gpu_pkg::*; #(
assign barrier.valid = is_bar; assign barrier.valid = is_bar;
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
// all barriers are cluster-wide barriers, which is implemented by
// modifying the global barrier logic
assign barrier.is_global = 1'b1;
`else
assign barrier.is_global = rs1_data[31]; assign barrier.is_global = rs1_data[31];
`endif
`else `else
assign barrier.is_global = 1'b0; assign barrier.is_global = 1'b0;
`endif `endif