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minor update - 206-214 mhz

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This commit is contained in:
Blaise Tine
2020-08-29 05:14:08 -07:00
parent def28e1ed0
commit 0a0b28aac0
16 changed files with 90 additions and 122 deletions
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19
hw/rtl/VX_ibuffer.v
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@@ -83,6 +83,8 @@ module VX_ibuffer #(
reg [`NW_BITS-1:0] deq_wid, deq_wid_n;
reg deq_valid, deq_valid_n;
reg [DATAW-1:0] deq_instr, deq_instr_n;
reg [DATAW-1:0] q_data_prev_r, q_data_out_r;
always @(*) begin
valid_table_n = valid_table;
@@ -94,6 +96,8 @@ module VX_ibuffer #(
end
end
// schedule the next instruction to issue
// does round-robin scheduling when multiple warps are present
always @(*) begin
deq_valid_n = 0;
deq_wid_n = 'x;
@@ -108,7 +112,7 @@ module VX_ibuffer #(
end else if ((1 == num_warps) || freeze) begin
deq_valid_n = (!deq_fire || (q_size[deq_wid] != SIZEW'(1))) || enq_fire;
deq_wid_n = (!deq_fire || (q_size[deq_wid] != SIZEW'(1))) ? deq_wid : ibuf_enq_if.wid;
deq_instr_n = deq_fire ? ((q_size[deq_wid] != SIZEW'(1)) ? q_data_prev[deq_wid] : q_data_in) : q_data_out[deq_wid];
deq_instr_n = deq_fire ? ((q_size[deq_wid] != SIZEW'(1)) ? q_data_prev_r : q_data_in) : q_data_out_r;
end else begin
for (integer i = 0; i < `NUM_WARPS; i++) begin
if (schedule_table_n[i]) begin
@@ -130,9 +134,9 @@ module VX_ibuffer #(
valid_table <= 0;
schedule_table <= 0;
deq_valid <= 0;
num_warps <= 0;
num_warps <= 0;
end else begin
valid_table <= valid_table_n;
valid_table <= valid_table_n;
if ((| schedule_table_n)) begin
schedule_table <= schedule_table_n;
@@ -141,9 +145,12 @@ module VX_ibuffer #(
schedule_table[deq_wid_n] <= 0;
end
deq_valid <= deq_valid_n;
deq_wid <= deq_wid_n;
deq_instr <= deq_instr_n;
q_data_out_r <= (0 == num_warps) ? q_data_in : q_data_out[deq_wid_n];
q_data_prev_r <= q_data_prev[deq_wid_n];
deq_valid <= deq_valid_n;
deq_wid <= deq_wid_n;
deq_instr <= deq_instr_n;
if (warp_added && !warp_removed) begin
num_warps <= num_warps + NWARPSW'(1);