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enabling shared memory back

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This commit is contained in:
Blaise Tine 2020-12-31 19:19:14 -08:00
parent 0c9065e6b2
commit b2cfde5d6d
4 changed files with 107 additions and 73 deletions
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2
ci/blackbox.sh
View file

@ -116,7 +116,7 @@ case $APP in
APP_PATH=$VORTEX_HOME/benchmarks/opencl/sgemm
;;
vecadd)
APP_PATH=$VORTEX_HOME/benchmarks/opencl/vacadd
APP_PATH=$VORTEX_HOME/benchmarks/opencl/vecadd
;;
basic)
APP_PATH=$VORTEX_HOME/driver/tests/basic

4
hw/rtl/VX_config.vh
View file

@ -32,7 +32,7 @@
`endif
`ifndef SM_ENABLE
`define SM_ENABLE 0
`define SM_ENABLE 1
`endif
`ifndef GLOBAL_BLOCK_SIZE
@ -326,7 +326,7 @@
// Size of cache in bytes
`ifndef SMEM_SIZE
`define SMEM_SIZE 8192
`define SMEM_SIZE (1024*4*4)
`endif
// Number of banks

172
hw/rtl/cache/VX_bank.v vendored
View file

@ -93,6 +93,9 @@ module VX_bank #(
wire [31:0] debug_pc_st1;
wire [`NW_BITS-1:0] debug_wid_st1;
wire [31:0] debug_pc_st12;
wire [`NW_BITS-1:0] debug_wid_st12;
wire [31:0] debug_pc_st2;
wire [`NW_BITS-1:0] debug_wid_st2;
/* verilator lint_on UNUSED */
@ -213,7 +216,21 @@ module VX_bank #(
wire [`REQ_TAG_WIDTH-1:0] tag_st1;
wire mem_rw_st1;
wire [WORD_SIZE-1:0] byteen_st1;
wire [`REQS_BITS-1:0] req_tid_st1;
wire [`REQS_BITS-1:0] req_tid_st1;
wire core_req_hit_st1;
wire incoming_fill_st1;
wire do_writeback_st1;
wire mshr_push_st1;
wire crsq_push_st1;
wire dreq_push_st1;
wire valid_st12;
wire writeen_st12;
wire [`LINE_ADDR_WIDTH-1:0] addr_st12;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] wsel_st12;
wire [WORD_SIZE-1:0] byteen_st12;
wire [`WORD_WIDTH-1:0] writeword_st12;
wire [`REQ_TAG_WIDTH-1:0] tag_st12;
wire valid_st2;
wire [`UP(`WORD_SELECT_WIDTH)-1:0] wsel_st2;
@ -228,14 +245,13 @@ module VX_bank #(
wire miss_st2;
wire force_miss_st2;
wire[`LINE_ADDR_WIDTH-1:0] addr_st2;
wire writeen_st2;
wire core_req_hit_st2;
wire incoming_fill_st2;
wire writeen_st2;
wire [`REQ_TAG_WIDTH-1:0] tag_st2;
wire mem_rw_st2;
wire [WORD_SIZE-1:0] byteen_st2;
wire [`REQS_BITS-1:0] req_tid_st2;
wire [`REQS_BITS-1:0] req_tid_st2;
wire core_req_hit_st2;
wire incoming_fill_st2;
wire do_writeback_st2;
wire mshr_push_st2;
wire crsq_push_st2;
@ -392,9 +408,17 @@ if (DRAM_ENABLE) begin
.writeen_out (writeen_st1)
);
wire core_req_hit_st1 = !is_fill_st1 && !miss_st1 && !force_miss_st1;
assign valid_st12 = valid_st2;
assign writeen_st12 = writeen_st2;
assign addr_st12 = addr_st2;
assign wsel_st12 = wsel_st2;
assign byteen_st12 = byteen_st2;
assign writeword_st12 = writeword_st2;
assign tag_st12 = tag_st2;
wire incoming_fill_st1 = !drsq_empty && (addr_st1 == drsq_addr_st0);
assign core_req_hit_st1 = !is_fill_st1 && !miss_st1 && !force_miss_st1;
assign incoming_fill_st1 = !drsq_empty && (addr_st1 == drsq_addr_st0);
wire do_fill_req_st1 = miss_st1
&& !(WRITE_THROUGH && mem_rw_st1)
@ -402,15 +426,60 @@ if (DRAM_ENABLE) begin
|| (is_mshr_st1 && addr_st1 != addr_st2))
&& !incoming_fill_st1;
wire do_writeback_st1 = (WRITE_THROUGH && mem_rw_st1)
|| (!WRITE_THROUGH && dirty_st1 && is_fill_st1);
assign do_writeback_st1 = (WRITE_THROUGH && mem_rw_st1)
|| (!WRITE_THROUGH && dirty_st1 && is_fill_st1);
wire dreq_push_st1 = do_fill_req_st1 || do_writeback_st1;
assign dreq_push_st1 = do_fill_req_st1 || do_writeback_st1;
wire mshr_push_st1 = (miss_st1 || force_miss_st1)
&& !(WRITE_THROUGH && mem_rw_st1);
assign mshr_push_st1 = (miss_st1 || force_miss_st1)
&& !(WRITE_THROUGH && mem_rw_st1);
wire crsq_push_st1 = core_req_hit_st1 && !mem_rw_st1;
assign crsq_push_st1 = core_req_hit_st1 && !mem_rw_st1;
end else begin
`UNUSED_VAR (mshr_pending_hazard_unqual_st0)
`UNUSED_VAR (drsq_push)
`UNUSED_VAR (dirty_st1)
`UNUSED_VAR (writeen_st2)
`ifdef DBG_CACHE_REQ_INFO
assign debug_pc_st1 = debug_pc_st0;
assign debug_wid_st1 = debug_wid_st0;
`endif
assign is_fill_st1 = is_fill_st0;
assign is_mshr_st1 = is_mshr_st0;
assign valid_st1 = valid_st0;
assign wsel_st1 = wsel_st0;
assign writeword_st1 = writeword_st0;
assign writedata_st1 = writedata_st0;
assign addr_st1 = creq_addr_st0[`LINE_SELECT_ADDR_RNG];
assign tag_st1 = tag_st0;
assign mem_rw_st1 = mem_rw_st0;
assign byteen_st1 = byteen_st0;
assign req_tid_st1 = req_tid_st0;
assign dirty_st1 = 0;
assign readtag_st1 = 0;
assign miss_st1 = 0;
assign writeen_st1 = mem_rw_st0;
assign force_miss_st1 = 0;
assign valid_st12 = valid_st0;
assign writeen_st12 = mem_rw_st0;
assign addr_st12 = addr_st0;
assign wsel_st12 = wsel_st0;
assign byteen_st12 = byteen_st0;
assign writeword_st12 = writeword_st0;
assign tag_st12 = tag_st0;
assign incoming_fill_st1= 0;
assign core_req_hit_st1 = 1;
assign do_writeback_st1 = 0;
assign mshr_push_st1 = 0;
assign crsq_push_st1 = !mem_rw_st0;
assign dreq_push_st1 = 0;
end
VX_pipe_register #(
.DATAW (1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + `LINE_ADDR_WIDTH + `UP(`WORD_SELECT_WIDTH) + `WORD_WIDTH + `WORD_WIDTH + `TAG_SELECT_BITS + 1 + `BANK_LINE_WIDTH + 1 + WORD_SIZE + `REQS_BITS + `REQ_TAG_WIDTH),
@ -442,60 +511,15 @@ if (DRAM_ENABLE) begin
);
end
end else begin
`UNUSED_VAR (mshr_pending_hazard_unqual_st0)
`UNUSED_VAR (drsq_push)
`UNUSED_VAR (addr_st0)
assign is_fill_st1 = is_fill_st0;
assign is_mshr_st1 = is_mshr_st0;
assign valid_st1 = valid_st0;
assign wsel_st1 = wsel_st0;
assign writeword_st1= writeword_st0;
assign writedata_st1= writedata_st0;
assign addr_st1 = creq_addr_st0[`LINE_SELECT_ADDR_RNG];
assign dirty_st1 = 0;
assign readtag_st1 = 0;
assign miss_st1 = 0;
assign writeen_st1 = mem_rw_st1;
assign force_miss_st1 = 0;
assign tag_st1 = tag_st0;
assign mem_rw_st1 = mem_rw_st0;
assign byteen_st1 = byteen_st0;
assign req_tid_st1 = req_tid_st0;
assign is_fill_st2 = is_fill_st1;
assign is_mshr_st2 = is_mshr_st1;
assign valid_st2 = valid_st1;
assign wsel_st2 = wsel_st1;
assign writeword_st2= writeword_st1;
assign writedata_st2= writedata_st1;
assign addr_st2 = addr_st1;
assign readtag_st2 = readtag_st1;
assign miss_st2 = miss_st1;
assign writeen_st2 = writeen_st1;
assign force_miss_st2 = force_miss_st1;
assign tag_st2 = tag_st1;
assign mem_rw_st2 = mem_rw_st1;
assign byteen_st2 = byteen_st1;
assign req_tid_st2 = req_tid_st1;
assign incoming_fill_st2 = 0;
assign do_writeback_st2 = 0;
assign mshr_push_st2 = 0;
assign crsq_push_st2 = 1;
assign dreq_push_st2 = 0;
end
`ifdef DBG_CACHE_REQ_INFO
if (CORE_TAG_WIDTH != CORE_TAG_ID_BITS && CORE_TAG_ID_BITS != 0) begin
assign {debug_pc_st2, debug_wid_st2} = tag_st2[CORE_TAG_WIDTH-1:CORE_TAG_ID_BITS];
end else begin
assign {debug_pc_st2, debug_wid_st2} = 0;
assign {debug_pc_st12, debug_wid_st12} = tag_st12[CORE_TAG_WIDTH-1:CORE_TAG_ID_BITS];
end else begin
assign {debug_pc_st12, debug_wid_st12} = 0;
end
`endif
`UNUSED_VAR (tag_st12)
VX_data_access #(
.BANK_ID (BANK_ID),
@ -515,8 +539,8 @@ end
`ifdef DBG_CACHE_REQ_INFO
.rdebug_pc (debug_pc_st1),
.rdebug_wid (debug_wid_st1),
.wdebug_pc (debug_pc_st2),
.wdebug_wid (debug_wid_st2),
.wdebug_pc (debug_pc_st12),
.wdebug_wid (debug_wid_st12),
`endif
.stall (pipeline_stall),
@ -530,15 +554,23 @@ end
.dirtyb_out (dirtyb_st1),
// writing
.writeen_in (writeen_st2 && valid_st2),
.waddr_in (addr_st2),
.writeen_in (writeen_st12 && valid_st12),
.waddr_in (addr_st12),
.wfill_in (is_fill_st2),
.wwsel_in (wsel_st2),
.wbyteen_in (byteen_st2),
.writeword_in (writeword_st2),
.wwsel_in (wsel_st12),
.wbyteen_in (byteen_st12),
.writeword_in (writeword_st12),
.writedata_in (writedata_st2)
);
`ifdef DBG_CACHE_REQ_INFO
if (CORE_TAG_WIDTH != CORE_TAG_ID_BITS && CORE_TAG_ID_BITS != 0) begin
assign {debug_pc_st2, debug_wid_st2} = tag_st2[CORE_TAG_WIDTH-1:CORE_TAG_ID_BITS];
end else begin
assign {debug_pc_st2, debug_wid_st2} = 0;
end
`endif
wire mshr_push_unqual = valid_st2 && mshr_push_st2;
assign mshr_push_stall = 0;

2
hw/rtl/cache/VX_data_access.v vendored
View file

@ -104,6 +104,7 @@ module VX_data_access #(
assign writeword_qual[i * `WORD_WIDTH +: `WORD_WIDTH] = writeword_in;
end
end else begin
`UNUSED_VAR (wwsel_in)
assign wbyteen_qual = wbyteen_in;
assign writeword_qual = writeword_in;
end
@ -134,6 +135,7 @@ module VX_data_access #(
assign readword_out[i * 8 +: 8] = readword[i * 8 +: 8] & {8{rbyteen_in[i]}};
end
end else begin
`UNUSED_VAR (rwsel_in)
for (genvar i = 0; i < WORD_SIZE; i++) begin
assign readword_out[i * 8 +: 8] = readdata_qual[i * 8 +: 8] & {8{rbyteen_in[i]}};
end