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This commit is contained in:
Blaise Tine
2020-04-21 12:28:37 -07:00
parent 5798cf6e15
commit f53256f854
29 changed files with 75504 additions and 119 deletions
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64
hw/rtl/VX_warp_sched.v
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@@ -87,20 +87,20 @@ module VX_warp_sched (
wire wstall_this_cycle;
reg[`NUM_THREADS-1:0] thread_masks[`NUM_WARPS-1:0];
reg[31:0] warp_pcs[`NUM_WARPS-1:0];
reg [`NUM_THREADS-1:0] thread_masks[`NUM_WARPS-1:0];
reg [31:0] warp_pcs[`NUM_WARPS-1:0];
// barriers
reg[`NUM_WARPS-1:0] barrier_stall_mask[(`NUM_BARRIERS-1):0];
wire reached_barrier_limit;
wire[`NUM_WARPS-1:0] curr_barrier_mask;
wire[$clog2(`NUM_WARPS):0] curr_barrier_count;
reg [`NUM_WARPS-1:0] barrier_stall_mask[(`NUM_BARRIERS-1):0];
wire reached_barrier_limit;
wire [`NUM_WARPS-1:0] b_mask;
wire [$clog2(`NUM_WARPS):0] b_count;
// wsapwn
reg[31:0] use_wsapwn_pc;
reg[`NUM_WARPS-1:0] use_wsapwn;
reg [31:0] use_wsapwn_pc;
reg [`NUM_WARPS-1:0] use_wsapwn;
wire[`NW_BITS-1:0] warp_to_schedule;
wire [`NW_BITS-1:0] warp_to_schedule;
wire schedule;
wire hazard;
@@ -108,22 +108,22 @@ module VX_warp_sched (
wire real_schedule;
wire[31:0] new_pc;
wire [31:0] new_pc;
reg[`NUM_WARPS-1:0] total_barrier_stall;
reg [`NUM_WARPS-1:0] total_barrier_stall;
reg didnt_split;
integer curr_w_help;
integer curr_barrier;
integer w, b;
always @(posedge clk) begin
if (reset) begin
for (curr_barrier = 0; curr_barrier < `NUM_BARRIERS; curr_barrier=curr_barrier+1) begin
barrier_stall_mask[curr_barrier] <= 0;
for (b = 0; b < `NUM_BARRIERS; b=b+1) begin
barrier_stall_mask[b] <= 0;
end
use_wsapwn_pc <= 0;
use_wsapwn <= 0;
warp_pcs[0] <= (32'h80000000 - 4);
warp_pcs[0] <= (`STARTUP_ADDR - 4);
warp_active[0] <= 1; // Activating first warp
visible_active[0] <= 1; // Activating first warp
thread_masks[0] <= 1; // Activating first thread in first warp
@@ -131,11 +131,11 @@ module VX_warp_sched (
didnt_split <= 0;
warp_lock <= 0;
// total_barrier_stall = 0;
for (curr_w_help = 1; curr_w_help < `NUM_WARPS; curr_w_help=curr_w_help+1) begin
warp_pcs[curr_w_help] <= 0;
warp_active[curr_w_help] <= 0; // Activating first warp
visible_active[curr_w_help] <= 0; // Activating first warp
thread_masks[curr_w_help] <= 1; // Activating first thread in first warp
for (w = 1; w < `NUM_WARPS; w=w+1) begin
warp_pcs[w] <= 0;
warp_active[w] <= 0; // Activating first warp
visible_active[w] <= 0; // Activating first warp
thread_masks[w] <= 1; // Activating first thread in first warp
end
end else begin
@@ -228,8 +228,8 @@ module VX_warp_sched (
VX_countones #(
.N(`NUM_WARPS)
) barrier_count (
.valids(curr_barrier_mask),
.count (curr_barrier_count)
.valids(b_mask),
.count (b_count)
);
wire [$clog2(`NUM_WARPS):0] count_visible_active;
@@ -241,10 +241,10 @@ module VX_warp_sched (
.count (count_visible_active)
);
// assign curr_barrier_count = $countones(curr_barrier_mask);
// assign b_count = $countones(b_mask);
assign curr_barrier_mask = barrier_stall_mask[barrier_id][`NUM_WARPS-1:0];
assign reached_barrier_limit = curr_barrier_count == (num_warps);
assign b_mask = barrier_stall_mask[barrier_id][`NUM_WARPS-1:0];
assign reached_barrier_limit = b_count == (num_warps);
assign wstall_this_cycle = wstall && (wstall_warp_num == warp_to_schedule); // Maybe bug
@@ -260,8 +260,8 @@ module VX_warp_sched (
assign update_visible_active = (count_visible_active < 1) && !(stall || wstall_this_cycle || hazard || is_join);
wire[(1+32+`NUM_THREADS-1):0] q1 = {1'b1, 32'b0 , thread_masks[split_warp_num]};
wire[(1+32+`NUM_THREADS-1):0] q2 = {1'b0, split_save_pc , split_later_mask};
wire [(1+32+`NUM_THREADS-1):0] q1 = {1'b1, 32'b0 , thread_masks[split_warp_num]};
wire [(1+32+`NUM_THREADS-1):0] q2 = {1'b0, split_save_pc , split_later_mask};
assign {join_fall, join_pc, join_tm} = d[join_warp_num];
@@ -285,7 +285,7 @@ module VX_warp_sched (
.d (d[curr_warp]),
.q1 (q1),
.q2 (q2)
);
);
end
endgenerate
@@ -318,9 +318,9 @@ module VX_warp_sched (
VX_priority_encoder #(
.N(`NUM_WARPS)
) choose_schedule (
.valids(use_active),
.index (warp_to_schedule),
.found (schedule)
.valids (use_active),
.index (warp_to_schedule),
.found (schedule)
);
// always @(*) begin