round robin warp scheduling

2024-04-16 23:03:00 -07:00
parent 7ae54bd280
commit 8de5470da4
4 changed files with 91 additions and 30 deletions
--- a/hw/rtl/core/VX_schedule.sv
+++ b/hw/rtl/core/VX_schedule.sv
@@ -308,10 +308,11 @@ module VX_schedule import VX_gpu_pkg::*; #(

    wire [`NUM_WARPS-1:0] ready_warps = active_warps & ~(stalled_warps | barrier_stalls);

-    VX_lzc #(
-        .N       (`NUM_WARPS),
-        .REVERSE (1)
+    VX_lzc_rr #(
+        .N       (`NUM_WARPS)
    ) wid_select (
+        .clk       (clk),
+        .reset     (reset),
        .data_in   (ready_warps),
        .data_out  (schedule_wid),
        .valid_out (schedule_valid)