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minor update

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This commit is contained in:
Blaise Tine 2023-11-27 22:16:36 -08:00
parent 24973ffca0
commit e8d56dc013
2 changed files with 29 additions and 32 deletions
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4
hw/rtl/core/VX_commit.sv
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@ -106,7 +106,9 @@ module VX_commit import VX_gpu_pkg::*; #(
assign commit_fire_any = (| commit_fire);
for (genvar i = 0; i < `ISSUE_WIDTH; ++i) begin
`POP_COUNT(commit_size[i], commit_tmask[i]);
wire [COMMIT_SIZEW-1:0] count;
`POP_COUNT(count, commit_tmask[i]);
assign commit_size[i] = count;
end
VX_pipe_register #(

57
hw/rtl/core/VX_scoreboard.sv
View file

@ -32,22 +32,20 @@ module VX_scoreboard import VX_gpu_pkg::*; #(
localparam DATAW = `UUID_WIDTH + ISSUE_WIS_W + `NUM_THREADS + `XLEN + `EX_BITS + `INST_OP_BITS + `INST_MOD_BITS + 1 + 1 + `XLEN + (`NR_BITS * 4) + 1;
`ifdef PERF_ENABLE
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_alu_per_cycle;
`ifdef EXT_F_ENABLE
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_fpu_per_cycle;
`endif
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_lsu_per_cycle;
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_sfu_per_cycle;
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_stalls_per_cycle;
reg [`EX_BITS-1:0][`ISSUE_WIDTH-1:0] scoreboard_uses;
wire [`NUM_EX_UNITS-1:0] scoreboard_uses_per_cycle;
wire [`CLOG2(`ISSUE_WIDTH+1)-1:0] scoreboard_stalls_per_cycle;
reg [`ISSUE_WIDTH-1:0][`NUM_EX_UNITS-1:0] scoreboard_uses;
wire [`ISSUE_WIDTH-1:0] scoreboard_stalls;
`POP_COUNT(scoreboard_stalls_per_cycle, scoreboard_stalls);
`POP_COUNT(scoreboard_alu_per_cycle, scoreboard_uses[`EX_ALU]);
`ifdef EXT_F_ENABLE
`POP_COUNT(scoreboard_fpu_per_cycle, scoreboard_uses[`EX_FPU]);
`endif
`POP_COUNT(scoreboard_lsu_per_cycle, scoreboard_uses[`EX_LSU]);
`POP_COUNT(scoreboard_sfu_per_cycle, scoreboard_uses[`EX_SFU]);
VX_reduce #(
.DATAW_IN (`NUM_EX_UNITS),
.N (`ISSUE_WIDTH),
.OP ("|")
) reduce (
.data_in (scoreboard_uses),
.data_out (scoreboard_uses_per_cycle)
);
`endif
for (genvar i = 0; i < `ISSUE_WIDTH; ++i) begin
@ -64,19 +62,19 @@ module VX_scoreboard import VX_gpu_pkg::*; #(
`ifdef PERF_ENABLE
reg [`UP(ISSUE_RATIO)-1:0][`NUM_REGS-1:0][`EX_BITS-1:0] inuse_units;
always @(*) begin
scoreboard_uses = '0;
scoreboard_uses[i] = '0;
if (ibuffer_if[i].valid) begin
if (inuse_rd) begin
scoreboard_uses[inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rd]][i] = 1;
scoreboard_uses[i][inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rd]] = 1;
end
if (inuse_rs1) begin
scoreboard_uses[inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs1]][i] = 1;
scoreboard_uses[i][inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs1]] = 1;
end
if (inuse_rs2) begin
scoreboard_uses[inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs2]][i] = 1;
scoreboard_uses[i][inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs2]] = 1;
end
if (inuse_rs3) begin
scoreboard_uses[inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs3]][i] = 1;
scoreboard_uses[i][inuse_units[ibuffer_if[i].data.wis][ibuffer_if[i].data.rs3]] = 1;
end
end
end
@ -169,20 +167,17 @@ module VX_scoreboard import VX_gpu_pkg::*; #(
always @(posedge clk) begin
if (reset) begin
perf_scb_stalls <= '0;
perf_scb_uses[`EX_ALU] <= '0;
`ifdef EXT_F_ENABLE
perf_scb_uses[`EX_FPU] <= '0;
`endif
perf_scb_uses[`EX_LSU] <= '0;
perf_scb_uses[`EX_SFU] <= '0;
end else begin
perf_scb_stalls <= perf_scb_stalls + `PERF_CTR_BITS'(scoreboard_stalls_per_cycle);
perf_scb_uses[`EX_ALU] <= perf_scb_uses[`EX_ALU] + `PERF_CTR_BITS'(scoreboard_alu_per_cycle);
`ifdef EXT_F_ENABLE
perf_scb_uses[`EX_FPU] <= perf_scb_uses[`EX_FPU] + `PERF_CTR_BITS'(scoreboard_fpu_per_cycle);
`endif
perf_scb_uses[`EX_LSU] <= perf_scb_uses[`EX_LSU] + `PERF_CTR_BITS'(scoreboard_lsu_per_cycle);
perf_scb_uses[`EX_SFU] <= perf_scb_uses[`EX_SFU] + `PERF_CTR_BITS'(scoreboard_sfu_per_cycle);
end
end
for (genvar i = 0; i < `NUM_EX_UNITS; ++i) begin
always @(posedge clk) begin
if (reset) begin
perf_scb_uses[i] <= '0;
end else begin
perf_scb_uses[i] <= perf_scb_uses[i] + `PERF_CTR_BITS'(scoreboard_uses_per_cycle[i]);
end
end
end
`endif