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Revert "Revert "Merge branch 'main' of github.com:davidharrishmc/riscv-wally into main""

Browse Source 
This reverts commit c15aab9c6f.

reverted the wrong commit
This commit is contained in:
slmnemo 2022-05-17 16:57:00 -07:00
parent c15aab9c6f
commit 29bc8d6902
22 changed files with 1390 additions and 468 deletions
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80
pipelined/src/ppa/ppa.sv
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@ -3,6 +3,14 @@
// & mmasserfrye@hmc.edu // & mmasserfrye@hmc.edu
// Measure PPA of various building blocks // Measure PPA of various building blocks
module ppa_comparator_8 #(parameter WIDTH=8) (
input logic [WIDTH-1:0] a, b,
input logic sgnd,
output logic [1:0] flags);
ppa_comparator #(WIDTH) comp (.*);
endmodule
module ppa_comparator_16 #(parameter WIDTH=16) ( module ppa_comparator_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] a, b, input logic [WIDTH-1:0] a, b,
input logic sgnd, input logic sgnd,
@ -27,6 +35,14 @@ module ppa_comparator_64 #(parameter WIDTH=64) (
ppa_comparator #(WIDTH) comp (.*); ppa_comparator #(WIDTH) comp (.*);
endmodule endmodule
module ppa_comparator_128 #(parameter WIDTH=128) (
input logic [WIDTH-1:0] a, b,
input logic sgnd,
output logic [1:0] flags);
ppa_comparator #(WIDTH) comp (.*);
endmodule
module ppa_comparator #(parameter WIDTH=16) ( module ppa_comparator #(parameter WIDTH=16) (
input logic [WIDTH-1:0] a, b, input logic [WIDTH-1:0] a, b,
input logic sgnd, input logic sgnd,
@ -45,6 +61,13 @@ module ppa_comparator #(parameter WIDTH=16) (
assign flags = {eq, lt}; assign flags = {eq, lt};
endmodule endmodule
module ppa_add_8 #(parameter WIDTH=8) (
input logic [WIDTH-1:0] a, b,
output logic [WIDTH-1:0] y);
assign y = a + b;
endmodule
module ppa_add_16 #(parameter WIDTH=16) ( module ppa_add_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] a, b, input logic [WIDTH-1:0] a, b,
output logic [WIDTH-1:0] y); output logic [WIDTH-1:0] y);
@ -66,6 +89,19 @@ module ppa_add_64 #(parameter WIDTH=64) (
assign y = a + b; assign y = a + b;
endmodule endmodule
module ppa_add_128 #(parameter WIDTH=128) (
input logic [WIDTH-1:0] a, b,
output logic [WIDTH-1:0] y);
assign y = a + b;
endmodule
module ppa_mult_8 #(parameter WIDTH=8) (
input logic [WIDTH-1:0] a, b,
output logic [WIDTH*2-1:0] y); //is this right width
assign y = a * b;
endmodule
module ppa_mult_16 #(parameter WIDTH=16) ( module ppa_mult_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] a, b, input logic [WIDTH-1:0] a, b,
output logic [WIDTH*2-1:0] y); //is this right width output logic [WIDTH*2-1:0] y); //is this right width
@ -84,6 +120,12 @@ module ppa_mult_64 #(parameter WIDTH=64) (
assign y = a * b; assign y = a * b;
endmodule endmodule
module ppa_mult_128 #(parameter WIDTH=128) (
input logic [WIDTH-1:0] a, b,
output logic [WIDTH*2-1:0] y); //is this right width
assign y = a * b;
endmodule
module ppa_alu_16 #(parameter WIDTH=16) ( module ppa_alu_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] A, B, input logic [WIDTH-1:0] A, B,
input logic [2:0] ALUControl, input logic [2:0] ALUControl,
@ -180,6 +222,15 @@ module ppa_shiftleft #(parameter WIDTH=32) (
assign y = a << amt; assign y = a << amt;
endmodule endmodule
module ppa_shifter_8 #(parameter WIDTH=8) (
input logic [WIDTH-1:0] A,
input logic [$clog2(WIDTH)-1:0] Amt,
input logic Right, Arith, W64,
output logic [WIDTH-1:0] Y);
ppa_shifter #(WIDTH) sh (.*);
endmodule
module ppa_shifter_16 #(parameter WIDTH=16) ( module ppa_shifter_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] A, input logic [WIDTH-1:0] A,
input logic [$clog2(WIDTH)-1:0] Amt, input logic [$clog2(WIDTH)-1:0] Amt,
@ -207,6 +258,15 @@ module ppa_shifter_64 #(parameter WIDTH=64) (
ppa_shifter #(WIDTH) sh (.*); ppa_shifter #(WIDTH) sh (.*);
endmodule endmodule
module ppa_shifter_128 #(parameter WIDTH=128) (
input logic [WIDTH-1:0] A,
input logic [$clog2(WIDTH)-1:0] Amt,
input logic Right, Arith, W64,
output logic [WIDTH-1:0] Y);
ppa_shifter #(WIDTH) sh (.*);
endmodule
module ppa_shifter #(parameter WIDTH=32) ( module ppa_shifter #(parameter WIDTH=32) (
input logic [WIDTH-1:0] A, input logic [WIDTH-1:0] A,
input logic [$clog2(WIDTH)-1:0] Amt, input logic [$clog2(WIDTH)-1:0] Amt,
@ -221,14 +281,7 @@ module ppa_shifter #(parameter WIDTH=32) (
// For RV64, 32 and 64-bit shifts are needed, with sign extension. // For RV64, 32 and 64-bit shifts are needed, with sign extension.
// funnel shifter input (see CMOS VLSI Design 4e Section 11.8.1, note Table 11.11 shift types wrong) // funnel shifter input (see CMOS VLSI Design 4e Section 11.8.1, note Table 11.11 shift types wrong)
if (WIDTH==32) begin:shifter // RV32 if (WIDTH == 64) begin:shifter // RV64 fix what about 128
always_comb // funnel mux
if (Right)
if (Arith) z = {{31{A[31]}}, A};
else z = {31'b0, A};
else z = {A, 31'b0};
assign amttrunc = Amt; // shift amount
end else begin:shifter // RV64
always_comb // funnel mux always_comb // funnel mux
if (W64) begin // 32-bit shifts if (W64) begin // 32-bit shifts
if (Right) if (Right)
@ -241,8 +294,15 @@ module ppa_shifter #(parameter WIDTH=32) (
else z = {63'b0, A}; else z = {63'b0, A};
else z = {A, 63'b0}; else z = {A, 63'b0};
end end
assign amttrunc = W64 ? {1'b0, Amt[4:0]} : Amt; // 32 or 64-bit shift end else begin:shifter // RV32,
end always_comb // funnel mux
if (Right)
if (Arith) z = {{WIDTH-1{A[WIDTH-1]}}, A};
else z = {{WIDTH-1{1'b0}}, A};
else z = {A, {WIDTH-1{1'b0}}};
assign amttrunc = Amt; // shift amount
end
assign amttrunc = (W64 & WIDTH==64) ? {1'b0, Amt[4:0]} : Amt; // 32 or 64-bit shift fix
// opposite offset for right shfits // opposite offset for right shfits
assign offset = Right ? amttrunc : ~amttrunc; assign offset = Right ? amttrunc : ~amttrunc;

4
pipelined/srt/Makefile
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@ -3,5 +3,5 @@ all: sqrttestgen testgen
sqrttestgen: sqrttestgen.c sqrttestgen: sqrttestgen.c
gcc sqrttestgen.c -lm -o sqrttestgen gcc sqrttestgen.c -lm -o sqrttestgen
testgen: exptestgen.c testgen: testgen.c
gcc exptestgen.c -lm -o exptestgen gcc testgen.c -lm -o testgen

1
pipelined/srt/lint-srt
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@ -1,2 +1 @@
verilator --lint-only --top-module srt srt.sv -I../config/rv64gc -I../config/shared ../src/generic/*.sv ../src/generic/flop/*.sv verilator --lint-only --top-module srt srt.sv -I../config/rv64gc -I../config/shared ../src/generic/*.sv ../src/generic/flop/*.sv
verilator --lint-only --top-module testbench testbench.sv -I../config/rv64gc -I../config/shared ../src/generic/*.sv ../src/generic/flop/*.sv ../src/fpu/unpack.sv

2
pipelined/srt/srt.do
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@ -17,7 +17,7 @@ if [file exists work] {
} }
vlib work vlib work
vlog +incdir+../config/rv64gc +incdir+../config/shared srt.sv testbench.sv ../src/generic/flop/flop*.sv ../src/generic/mux.sv ../src/fpu/unpack.sv vlog +incdir+../config/rv64gc +incdir+../config/shared srt.sv testbench.sv ../src/generic/flop/flop*.sv ../src/generic/mux.sv
vopt +acc work.testbench -o workopt vopt +acc work.testbench -o workopt
vsim workopt vsim workopt

17
pipelined/srt/srt.sv
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@ -37,8 +37,6 @@ module srt #(parameter Nf=52) (
input logic Flush, // *** multiple pipe stages input logic Flush, // *** multiple pipe stages
// Floating Point Inputs // Floating Point Inputs
// later add exponents, signs, special cases // later add exponents, signs, special cases
input logic [10:0] SrcXExpE, SrcYExpE, // exponents, for double precision exponents are 11 bits
// end of floating point inputs
input logic [Nf-1:0] SrcXFrac, SrcYFrac, input logic [Nf-1:0] SrcXFrac, SrcYFrac,
input logic [`XLEN-1:0] SrcA, SrcB, input logic [`XLEN-1:0] SrcA, SrcB,
input logic [1:0] Fmt, // Floats: 00 = 16 bit, 01 = 32 bit, 10 = 64 bit, 11 = 128 bit input logic [1:0] Fmt, // Floats: 00 = 16 bit, 01 = 32 bit, 10 = 64 bit, 11 = 128 bit
@ -47,7 +45,6 @@ module srt #(parameter Nf=52) (
input logic Int, // Choose integer inputss input logic Int, // Choose integer inputss
input logic Sqrt, // perform square root, not divide input logic Sqrt, // perform square root, not divide
output logic [Nf-1:0] Quot, Rem, // *** later handle integers output logic [Nf-1:0] Quot, Rem, // *** later handle integers
output logic [10:0] Exp, // output exponent is hardcoded for 11 bits for double precision
output logic [3:0] Flags output logic [3:0] Flags
); );
@ -81,9 +78,6 @@ module srt #(parameter Nf=52) (
// Partial Product Generation // Partial Product Generation
csa csa(WS, WC, Dsel, qp, WSA, WCA); csa csa(WS, WC, Dsel, qp, WSA, WCA);
// Exponent division
exp exp(SrcXExpE, SrcYExpE, Exp);
srtpostproc postproc(rp, rm, Quot); srtpostproc postproc(rp, rm, Quot);
endmodule endmodule
@ -92,9 +86,8 @@ module srtpostproc #(parameter N=52) (
output [N-1:0] Quot output [N-1:0] Quot
); );
// replace with on-the-fly conversion
//assign Quot = rp - rm; //assign Quot = rp - rm;
finaladd finaladd(rp, rm, Quot); finaladd finaladd(rp, rm, Quot);
endmodule endmodule
module srtpreproc #(parameter Nf=52) ( module srtpreproc #(parameter Nf=52) (
@ -254,14 +247,6 @@ module csa #(parameter N=56) (
(in2[54:0] & in3[54:0]), cin}; (in2[54:0] & in3[54:0]), cin};
endmodule endmodule
//////////////
// exponent //
//////////////
module exp(input [10:0] e1, e2,
output [10:0] e); // for double precision, exponent is 11 bits
assign e = (e1 - e2) + 11'd1023; // bias is hardcoded
endmodule
////////////// //////////////
// finaladd // // finaladd //
////////////// //////////////

8
pipelined/srt/srt_stanford.sv
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@ -11,9 +11,7 @@
// This Verilog file models a radix 2 SRT divider which // This Verilog file models a radix 2 SRT divider which
// produces one quotient digit per cycle. The divider // produces one quotient digit per cycle. The divider
// keeps the partial remainder in carry-save form. // keeps the partial remainder in carry-save form.
`include "wally-config.vh"
///////// /////////
// srt // // srt //
///////// /////////
@ -328,9 +326,7 @@ module testbench;
begin begin
req <= #5 1; req <= #5 1;
$display("result was %h, should be %h\n", r, correctr); $display("result was %h, should be %h\n", r, correctr);
//if (abs(correctr - r) > 1) // check if accurate to 1 ulp if ((correctr - r) > 1) // check if accurate to 1 ulp
// giving error "srt_stanford.sv(395): (vopt-7063) Failed to find 'abs' in hierarchical name 'abs'."
if (correctr - r > 1) // check if accurate to 1 ulp
begin begin
errors = errors+1; errors = errors+1;
$display("failed\n"); $display("failed\n");

92
pipelined/srt/testbench.sv
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@ -1,7 +1,7 @@
///////////// /////////////
// divcounter // // counter //
///////////// /////////////
module divcounter(input logic clk, module counter(input logic clk,
input logic req, input logic req,
output logic done); output logic done);
@ -36,76 +36,40 @@ endmodule
////////// //////////
// testbench // // testbench //
////////// //////////
/* verilator lint_off STMTDLY */
/* verilator lint_off INFINITELOOP */
module testbench; module testbench;
logic clk; logic clk;
logic req; logic req;
logic done; logic done;
logic [63:0] a; logic [51:0] a;
logic [63:0] b; logic [51:0] b;
logic [63:0] result; logic [51:0] r;
logic [51:0] r;
logic [54:0] rp, rm; // positive quotient digits logic [54:0] rp, rm; // positive quotient digits
logic [10:0] e; // output exponent
// input logic for Unpacker
// input logic [63:0] X, Y, Z, - numbers
// input logic FmtE, ---- format, 1 is for double precision, 0 is single
// input logic [2:0] FOpCtrlE, ---- controling operations for FPU, 1 is sqrt, 0 is divide
// all variables are commented in fpu.sv
// output logic from Unpacker
logic XSgnE, YSgnE, ZSgnE;
logic [10:0] XExpE, YExpE, ZExpE; // exponent
logic [52:0] XManE, YManE, ZManE;
logic XNormE;
logic XNaNE, YNaNE, ZNaNE;
logic XSNaNE, YSNaNE, ZSNaNE;
logic XDenormE, YDenormE, ZDenormE; // denormals
logic XZeroE, YZeroE, ZZeroE;
logic [10:0] BiasE; // currrently hardcoded, will probs be removed
logic XInfE, YInfE, ZInfE;
logic XExpMaxE; // says exponent is all ones, can ignore
// Test parameters // Test parameters
parameter MEM_SIZE = 60000; parameter MEM_SIZE = 40000;
parameter MEM_WIDTH = 64+64+64; parameter MEM_WIDTH = 52+52+52;
`define memr 63:0 `define memr 51:0
`define memb 127:64 `define memb 103:52
`define mema 191:128 `define mema 155:104
// Test logicisters // Test logicisters
logic [MEM_WIDTH-1:0] Tests [0:MEM_SIZE]; // Space for input file logic [MEM_WIDTH-1:0] Tests [0:MEM_SIZE]; // Space for input file
logic [MEM_WIDTH-1:0] Vec; // Verilog doesn't allow direct access to a logic [MEM_WIDTH-1:0] Vec; // Verilog doesn't allow direct access to a
// bit field of an array // bit field of an array
logic [63:0] correctr, nextr, diffn, diffp; logic [51:0] correctr, nextr, diffn, diffp;
integer testnum, errors; integer testnum, errors;
// Unpacker
// Note: BiasE will probably get taken out eventually
unpack unpack(.X({1'b1,a[62:0]}), .Y({1'b1,b[62:0]}), .Z(64'b0), .FmtE(1'b1),
.XSgnE(XSgnE), .YSgnE(YSgnE), .ZSgnE(ZSgnE), .XExpE(XExpE), .YExpE(YExpE), .ZExpE(ZExpE),
.XManE(XManE), .YManE(YManE), .ZManE(ZManE), .XNormE(XNormE), .XNaNE(XNaNE), .YNaNE(YNaNE), .ZNaNE(ZNaNE),
.XSNaNE(XSNaNE), .YSNaNE(YSNaNE), .ZSNaNE(ZSNaNE), .XDenormE(XDenormE), .YDenormE(YDenormE), .ZDenormE(ZDenormE),
.XZeroE(XZeroE), .YZeroE(YZeroE), .ZZeroE(ZZeroE),
.XInfE(XInfE), .YInfE(YInfE), .ZInfE(ZInfE), .XExpMaxE(XExpMaxE));
// Divider // Divider
srt #(52) srt(.clk, .Start(req), srt #(52) srt(.clk, .Start(req),
.Stall(1'b0), .Flush(1'b0), .Stall(1'b0), .Flush(1'b0),
.SrcXExpE(XExpE), .SrcYExpE(YExpE), .SrcXFrac(a), .SrcYFrac(b),
.SrcXFrac(XManE[51:0]), .SrcYFrac(YManE[51:0]),
.SrcA('0), .SrcB('0), .Fmt(2'b00), .SrcA('0), .SrcB('0), .Fmt(2'b00),
.W64(1'b0), .Signed(1'b0), .Int(1'b0), .Sqrt(1'b0), .W64(1'b0), .Signed(1'b0), .Int(1'b0), .Sqrt(1'b0),
.Quot(r), .Rem(), .Exp(e), .Flags()); .Quot(r), .Rem(), .Flags());
assign result = {1'b0, e, r}; // Counter
counter counter(clk, req, done);
// Divcounter
divcounter divcounter(clk, req, done);
initial initial
@ -126,7 +90,7 @@ module testbench;
a = Vec[`mema]; a = Vec[`mema];
b = Vec[`memb]; b = Vec[`memb];
nextr = Vec[`memr]; nextr = Vec[`memr];
req = #5 1; req <= #5 1;
end end
// Apply directed test vectors read from file. // Apply directed test vectors read from file.
@ -135,19 +99,17 @@ module testbench;
begin begin
if (done) if (done)
begin begin
req = #5 1; req <= #5 1;
diffp = correctr - result; diffp = correctr - r;
diffn = result - correctr; diffn = r - correctr;
if (($signed(diffn) > 1) | ($signed(diffp) > 1)) // check if accurate to 1 ulp if (($signed(diffn) > 1) | ($signed(diffp) > 1)) // check if accurate to 1 ulp
begin begin
errors = errors+1; errors = errors+1;
$display("a = %h b = %h result = %h",a,b,correctr); $display("result was %h, should be %h %h %h\n", r, correctr, diffn, diffp);
$display("result was %h, should be %h %h %h\n", result, correctr, diffn, diffp);
$display("at fail");
$display("failed\n"); $display("failed\n");
$stop; $stop;
end end
if (a === 64'hxxxxxxxxxxxxxxxx) if (a === 52'hxxxxxxxxxxxxx)
begin begin
$display("%d Tests completed successfully", testnum); $display("%d Tests completed successfully", testnum);
$stop; $stop;
@ -155,20 +117,16 @@ module testbench;
end end
if (req) if (req)
begin begin
req = #5 0; req <= #5 0;
correctr = nextr; correctr = nextr;
$display("pre increment");
testnum = testnum+1; testnum = testnum+1;
a = Vec[`mema];
b = Vec[`memb];
Vec = Tests[testnum]; Vec = Tests[testnum];
$display("a = %h b = %h result = %h",a,b,nextr); $display("a = %h b = %h",a,b);
a = Vec[`mema];
b = Vec[`memb];
nextr = Vec[`memr]; nextr = Vec[`memr];
$display("after increment");
end end
end end
endmodule endmodule
/* verilator lint_on STMTDLY */
/* verilator lint_on INFINITELOOP */

3
pipelined/srt/testgen.c
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@ -28,7 +28,7 @@ double random_input(void);
void main(void) void main(void)
{ {
FILE *fptr; FILE *fptr;
double x1, x2, a, b, r; double a, b, r;
double list[ENTRIES] = {1, 1.5, 1.25, 1.125, 1.0625, double list[ENTRIES] = {1, 1.5, 1.25, 1.125, 1.0625,
1.75, 1.875, 1.99999, 1.75, 1.875, 1.99999,
1.1, 1.2, 1.01, 1.001, 1.0001, 1.1, 1.2, 1.01, 1.001, 1.0001,
@ -63,7 +63,6 @@ void main(void)
void output(FILE *fptr, double a, double b, double r) void output(FILE *fptr, double a, double b, double r)
{ {
printhex(fptr, a); printhex(fptr, a);
fprintf(fptr, "_"); fprintf(fptr, "_");
printhex(fptr, b); printhex(fptr, b);

1078
pipelined/srt/testvectors
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File diff suppressed because it is too large Load Diff

17
synthDC/Synopsys_stack_trace_12580.txt Normal file
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@ -0,0 +1,17 @@
GNU gdb (GDB) Red Hat Enterprise Linux 8.2-16.el8
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 12580
(gdb) (gdb) (gdb) (gdb)

17
synthDC/Synopsys_stack_trace_32764.txt Normal file
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@ -0,0 +1,17 @@
GNU gdb (GDB) Red Hat Enterprise Linux 8.2-16.el8
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 32764
(gdb) (gdb) (gdb) (gdb)

17
synthDC/Synopsys_stack_trace_57184.txt Normal file
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@ -0,0 +1,17 @@
GNU gdb (GDB) Red Hat Enterprise Linux 8.2-16.el8
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 57184
(gdb) (gdb) (gdb) (gdb)

17
synthDC/Synopsys_stack_trace_57185.txt Normal file
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@ -0,0 +1,17 @@
GNU gdb (GDB) Red Hat Enterprise Linux 8.2-16.el8
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
Attaching to process 57185
(gdb) (gdb) (gdb) (gdb)

67
synthDC/crte_000012580.txt Normal file
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@ -0,0 +1,67 @@
CRTE_SNAPSHOT_START
SECTION_CRTE_VERSION
3.0
SECTION_PID
12580
SECTION_POLLING_INTERVAL
5
SECTION_DATE_TIME
Mon May 16 23:44:09 UTC 2022 (1652744649)
SECTION_OS_VERSION
osname: Linux
hostname: tera
arch: x86_64
release_version: 5.4.157-1-pve
SECTION_IPC_INFO
------ Message Queues --------
key msqid owner perms used-bytes messages
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 15859713 nwhyte-agu 600 524288 2 dest
0x00000000 360451 nwhyte-agu 600 524288 2 dest
0x00000000 65540 kkim 600 134217728 2 dest
0x00000000 557061 nwhyte-agu 600 67108864 2 dest
0x00000000 6 harris 600 524288 2 dest
0x00000000 7 harris 600 524288 2 dest
0x00000000 5275656 harris 600 2097152 2 dest
0x00000000 11993097 kkim 600 524288 2 dest
0x00000000 15892490 kkim 600 524288 2 dest
0x00000000 11 harris 600 524288 2 SECTION_ULIMIT
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 515072
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 524288
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) unlimited
cpu time (seconds, -t) unlimited
max user processes (-u) 515072
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
SECTION_SYSCONF
_SC_THREAD_SAFE_FUNCTIONS= 200809
_SC_CLK_TCK= 100
_SC_OPEN_MAX= 524288
_SC_PAGE_SIZE= 4096
_SC_ARG_MAX= 4611686018427387903
_SC_CHILD_MAX= 515072
_SC_LINE_MAX= 2048
SECTION_FULL_COMMAND
/cad/synopsys/SYN/linux64/syn/bin/common_shell_exec -64 -shell dc_shell -r /cad/synopsys/SYN -f scripts/synth.tcl
SECTION_CPUINFO

67
synthDC/crte_000032764.txt Normal file
View File

@ -0,0 +1,67 @@
CRTE_SNAPSHOT_START
SECTION_CRTE_VERSION
3.0
SECTION_PID
32764
SECTION_POLLING_INTERVAL
5
SECTION_DATE_TIME
Tue May 17 00:05:18 UTC 2022 (1652745918)
SECTION_OS_VERSION
osname: Linux
hostname: tera
arch: x86_64
release_version: 5.4.157-1-pve
SECTION_IPC_INFO
------ Message Queues --------
key msqid owner perms used-bytes messages
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 360451 nwhyte-agu 600 524288 2 dest
0x00000000 65540 kkim 600 134217728 2 dest
0x00000000 557061 nwhyte-agu 600 67108864 2 dest
0x00000000 6 harris 600 524288 2 dest
0x00000000 7 harris 600 524288 2 dest
0x00000000 5275656 harris 600 2097152 2 dest
0x00000000 11993097 kkim 600 524288 2 dest
0x00000000 15892490 kkim 600 524288 2 dest
0x00000000 11 harris 600 524288 2 dest
0x00000000 15204364 harris 644 790528 3 SECTION_ULIMIT
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 515072
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 524288
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) unlimited
cpu time (seconds, -t) unlimited
max user processes (-u) 515072
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
SECTION_SYSCONF
_SC_THREAD_SAFE_FUNCTIONS= 200809
_SC_CLK_TCK= 100
_SC_OPEN_MAX= 524288
_SC_PAGE_SIZE= 4096
_SC_ARG_MAX= 4611686018427387903
_SC_CHILD_MAX= 515072
_SC_LINE_MAX= 2048
SECTION_FULL_COMMAND
/cad/synopsys/SYN/linux64/syn/bin/common_shell_exec -64 -shell dc_shell -r /cad/synopsys/SYN -f scripts/synth.tcl
SECTION_CPUINFO

67
synthDC/crte_000057184.txt Normal file
View File

@ -0,0 +1,67 @@
CRTE_SNAPSHOT_START
SECTION_CRTE_VERSION
3.0
SECTION_PID
57184
SECTION_POLLING_INTERVAL
5
SECTION_DATE_TIME
Mon May 16 22:54:26 UTC 2022 (1652741666)
SECTION_OS_VERSION
osname: Linux
hostname: tera
arch: x86_64
release_version: 5.4.157-1-pve
SECTION_IPC_INFO
------ Message Queues --------
key msqid owner perms used-bytes messages
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 15859713 nwhyte-agu 600 524288 2 dest
0x00000000 360451 nwhyte-agu 600 524288 2 dest
0x00000000 65540 kkim 600 134217728 2 dest
0x00000000 557061 nwhyte-agu 600 67108864 2 dest
0x00000000 6 harris 600 524288 2 dest
0x00000000 7 harris 600 524288 2 dest
0x00000000 5275656 harris 600 2097152 2 dest
0x00000000 11993097 kkim 600 524288 2 dest
0x00000000 15892490 kkim 600 524288 2 dest
0x00000000 11 harris 600 524288 2 SECTION_ULIMIT
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 515072
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 524288
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) unlimited
cpu time (seconds, -t) unlimited
max user processes (-u) 515072
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
SECTION_SYSCONF
_SC_THREAD_SAFE_FUNCTIONS= 200809
_SC_CLK_TCK= 100
_SC_OPEN_MAX= 524288
_SC_PAGE_SIZE= 4096
_SC_ARG_MAX= 4611686018427387903
_SC_CHILD_MAX= 515072
_SC_LINE_MAX= 2048
SECTION_FULL_COMMAND
/cad/synopsys/SYN/linux64/syn/bin/common_shell_exec -64 -shell dc_shell -r /cad/synopsys/SYN -f scripts/synth.tcl
SECTION_CPUINFO

67
synthDC/crte_000057185.txt Normal file
View File

@ -0,0 +1,67 @@
CRTE_SNAPSHOT_START
SECTION_CRTE_VERSION
3.0
SECTION_PID
57185
SECTION_POLLING_INTERVAL
5
SECTION_DATE_TIME
Mon May 16 22:54:26 UTC 2022 (1652741666)
SECTION_OS_VERSION
osname: Linux
hostname: tera
arch: x86_64
release_version: 5.4.157-1-pve
SECTION_IPC_INFO
------ Message Queues --------
key msqid owner perms used-bytes messages
------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 15859713 nwhyte-agu 600 524288 2 dest
0x00000000 360451 nwhyte-agu 600 524288 2 dest
0x00000000 65540 kkim 600 134217728 2 dest
0x00000000 557061 nwhyte-agu 600 67108864 2 dest
0x00000000 6 harris 600 524288 2 dest
0x00000000 7 harris 600 524288 2 dest
0x00000000 5275656 harris 600 2097152 2 dest
0x00000000 11993097 kkim 600 524288 2 dest
0x00000000 15892490 kkim 600 524288 2 dest
0x00000000 11 harris 600 524288 2 SECTION_ULIMIT
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 515072
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 524288
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) unlimited
cpu time (seconds, -t) unlimited
max user processes (-u) 515072
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
SECTION_SYSCONF
_SC_THREAD_SAFE_FUNCTIONS= 200809
_SC_CLK_TCK= 100
_SC_OPEN_MAX= 524288
_SC_PAGE_SIZE= 4096
_SC_ARG_MAX= 4611686018427387903
_SC_CHILD_MAX= 515072
_SC_LINE_MAX= 2048
SECTION_FULL_COMMAND
/cad/synopsys/SYN/linux64/syn/bin/common_shell_exec -64 -shell dc_shell -r /cad/synopsys/SYN -f scripts/synth.tcl
SECTION_CPUINFO

64
synthDC/ppa.py
View File

@ -1,64 +0,0 @@
#!/usr/bin/python3
# from msilib.schema import File
import subprocess
from multiprocessing import Pool
import csv
import re
# import matplotlib.pyplot as plt
# import numpy as np
print("hi")
def run_command(module, width, freq):
command = "make synth DESIGN=ppa_{}_{} TECH=sky90 DRIVE=INV FREQ={} MAXOPT=1".format(module, width, freq)
subprocess.Popen(command, shell=True)
widths = ['16']
modules = ['shifter']
freqs = ['10']
LoT = []
for module in modules:
for width in widths:
for freq in freqs:
LoT += [[module, width, freq]]
pool = Pool()
pool.starmap(run_command, LoT)
pool.close()
bashCommand = "grep 'Critical Path Length' runs/ppa_*/reports/*qor*"
outputCPL = subprocess.check_output(['bash','-c', bashCommand])
linesCPL = outputCPL.decode("utf-8").split('\n')[:-1]
bashCommand = "grep 'Design Area' runs/ppa_*/reports/*qor*"
outputDA = subprocess.check_output(['bash','-c', bashCommand])
linesDA = outputDA.decode("utf-8").split('\n')[:-1]
cpl = re.compile('\d{1}\.\d{6}')
f = re.compile('_\d*_MHz')
wm = re.compile('ppa_\w*_\d*_qor')
da = re.compile('\d*\.\d{6}')
allSynths = []
for i in range(len(linesCPL)):
line = linesCPL[i]
oneSynth = []
mwm = wm.findall(line)[0][4:-4].split('_')
oneSynth += [mwm[0]]
oneSynth += [mwm[1]]
oneSynth += [f.findall(line)[0][1:-4]]
oneSynth += cpl.findall(line)
oneSynth += da.findall(linesDA[i])
allSynths += [oneSynth]
file = open("ppaData.csv", "w")
writer = csv.writer(file)
writer.writerow(['Module', 'Width', 'Target Freq', 'Delay', 'Area'])
for one in allSynths:
writer.writerow(one)
file.close()

95
synthDC/ppaAnalyze.py Executable file
View File

@ -0,0 +1,95 @@
#!/usr/bin/python3
import subprocess
import csv
import re
import matplotlib.pyplot as plt
import numpy as np
def getData():
bashCommand = "grep 'Critical Path Length' runs/ppa_*/reports/*qor*"
outputCPL = subprocess.check_output(['bash','-c', bashCommand])
linesCPL = outputCPL.decode("utf-8").split('\n')[:-1]
bashCommand = "grep 'Design Area' runs/ppa_*/reports/*qor*"
outputDA = subprocess.check_output(['bash','-c', bashCommand])
linesDA = outputDA.decode("utf-8").split('\n')[:-1]
cpl = re.compile('\d{1}\.\d{6}')
f = re.compile('_\d*_MHz')
wm = re.compile('ppa_\w*_\d*_qor')
da = re.compile('\d*\.\d{6}')
allSynths = []
for i in range(len(linesCPL)):
line = linesCPL[i]
mwm = wm.findall(line)[0][4:-4].split('_')
oneSynth = [mwm[0], int(mwm[1])]
oneSynth += [int(f.findall(line)[0][1:-4])]
oneSynth += [float(cpl.findall(line)[0])]
oneSynth += [float(da.findall(linesDA[i])[0])]
allSynths += [oneSynth]
return allSynths
def writeCSV(allSynths):
file = open("ppaData.csv", "w")
writer = csv.writer(file)
writer.writerow(['Module', 'Width', 'Target Freq', 'Delay', 'Area'])
for one in allSynths:
writer.writerow(one)
file.close()
def plotPPA(module, freq, var):
'''
module: string module name
freq: int freq (GHz)
var: string 'delay' or 'area'
plots chosen variable vs width for all matching syntheses with regression
'''
global allSynths
ind = 3 if (var == 'delay') else 4
widths = []
ivar = []
for oneSynth in allSynths:
if (oneSynth[0] == module) & (oneSynth[2] == freq):
widths += [oneSynth[1]]
ivar += [oneSynth[ind]]
x = np.array(widths, dtype=np.int)
y = np.array(ivar, dtype=np.float)
A = np.vstack([x, np.ones(len(x))]).T
m, c = np.linalg.lstsq(A, y, rcond=None)[0]
z = np.polyfit(x, y, 2)
p = np.poly1d(z)
zlog = np.polyfit(np.log(x), y, 1)
plog = np.poly1d(zlog)
xp = np.linspace(0, 140, 200)
xplog = np.log(xp)
_ = plt.plot(x, y, 'o', label=module, markersize=10)
_ = plt.plot(x, m*x + c, 'r', label='Linear fit')
_ = plt.plot(xp, p(xp), label='Quadratic fit')
_ = plt.plot(xp, plog(xplog), label = 'Log fit')
_ = plt.legend()
_ = plt.xlabel("Width (bits)")
_ = plt.ylabel(str.title(var))
_ = plt.title("Target frequency " + str(freq))
plt.show()
#fix square microns, picosec, end plots at 8 to stop negs, add equation to plots and R2
# try linear term with delay as well (w and wo)
allSynths = getData()
writeCSV(allSynths)
plotPPA('mult', 5000, 'delay')
plotPPA('mult', 5000, 'area')
plotPPA('mult', 10, 'area')

35
synthDC/ppaData.csv
View File

@ -1,28 +1,38 @@
Module,Width,Target Freq,Delay,Area Module,Width,Target Freq,Delay,Area
add,128,10,7.100851,1867.879976
add,128,5000,0.389771,7007.980119
add,16,10,2.032906,221.479998 add,16,10,2.032906,221.479998
add,16,4000,0.249839,551.740010 add,16,4000,0.249839,551.74001
add,16,5000,0.228259,924.140017 add,16,5000,0.228259,924.140017
add,16,6000,0.225754,1120.140018 add,16,6000,0.225754,1120.140018
add,32,10,4.160501,456.679995 add,32,10,4.160501,456.679995
add,32,4000,0.280842,1730.680031 add,32,4000,0.280842,1730.680031
add,32,5000,0.250500,1933.540033 add,32,5000,0.2505,1933.540033
add,32,6000,0.271774,1746.360030 add,32,6000,0.271774,1746.36003
add,64,10,8.474034,927.079988 add,64,10,8.474034,927.079988
add,64,4000,0.323267,3758.300065 add,64,4000,0.323267,3758.300065
add,64,5000,0.334061,3798.480071 add,64,5000,0.334061,3798.480071
add,64,6000,0.328457,3749.480066 add,64,6000,0.328457,3749.480066
add,8,10,0.940062,103.879999
add,8,5000,0.199689,197.960003
comparator,128,10,0.842074,1997.240039
comparator,128,5000,0.260142,5215.56005
comparator,16,10,0.576329,252.840005 comparator,16,10,0.576329,252.840005
comparator,16,4000,0.249312,280.280005 comparator,16,4000,0.249312,280.280005
comparator,16,5000,0.199026,313.600006 comparator,16,5000,0.199026,313.600006
comparator,16,6000,0.166568,422.380007 comparator,16,6000,0.166568,422.380007
comparator,32,10,0.765874,495.880010 comparator,32,10,0.765874,495.88001
comparator,32,4000,0.249950,608.580012 comparator,32,4000,0.24995,608.580012
comparator,32,5000,0.205372,919.240014 comparator,32,5000,0.205372,919.240014
comparator,32,6000,0.201200,1248.520016 comparator,32,6000,0.2012,1248.520016
comparator,64,10,0.561562,1008.420020 comparator,64,10,0.561562,1008.42002
comparator,64,4000,0.249905,1437.660027 comparator,64,4000,0.249905,1437.660027
comparator,64,5000,0.219296,2738.120023 comparator,64,5000,0.219296,2738.120023
comparator,64,6000,0.221138,2341.220025 comparator,64,6000,0.221138,2341.220025
comparator,8,10,0.29577,118.580002
comparator,8,5000,0.195502,129.360003
mult,128,10,9.334627,180734.540854
mult,128,5000,1.78322,314617.244472
mult,16,10,4.730546,3869.040009 mult,16,10,4.730546,3869.040009
mult,16,4000,0.821111,9132.620147 mult,16,4000,0.821111,9132.620147
mult,16,5000,0.820059,9583.420143 mult,16,5000,0.820059,9583.420143
@ -31,11 +41,16 @@ mult,32,10,7.575772,12412.680067
mult,32,4000,1.091389,31262.980534 mult,32,4000,1.091389,31262.980534
mult,32,5000,1.092153,31497.200524 mult,32,5000,1.092153,31497.200524
mult,32,6000,1.084816,33519.920555 mult,32,6000,1.084816,33519.920555
mult,64,10,4.793300,46798.920227 mult,64,10,4.7933,46798.920227
mult,64,4000,1.411752,93087.261425 mult,64,4000,1.411752,93087.261425
mult,64,5000,1.404875,94040.801492 mult,64,5000,1.404875,94040.801492
mult,64,6000,1.415466,89931.661403 mult,64,6000,1.415466,89931.661403
shifter,16,10,0.000000,0.000000 mult,8,10,2.076433,1009.399998
mult,8,5000,0.552339,4261.040075
shifter,128,10,2.577935,8113.420158
shifter,128,5000,0.395847,16602.180268
shifter,16,10,0.0,0.0
shifter,16,10,0.0,0.0
shifter,32,10,1.906335,1656.200032 shifter,32,10,1.906335,1656.200032
shifter,32,10,1.906335,1656.200032 shifter,32,10,1.906335,1656.200032
shifter,32,10,1.906335,1656.200032 shifter,32,10,1.906335,1656.200032
@ -48,3 +63,5 @@ shifter,32,5000,0.238962,4985.260077
shifter,32,6000,0.241742,4312.000069 shifter,32,6000,0.241742,4312.000069
shifter,32,6000,0.241742,4312.000069 shifter,32,6000,0.241742,4312.000069
shifter,32,6000,0.241742,4312.000069 shifter,32,6000,0.241742,4312.000069
shifter,8,10,0.0,0.0
shifter,8,5000,0.0,0.0

1 Module Width Target Freq Delay Area
2 add 128 10 7.100851 1867.879976
3 add 128 5000 0.389771 7007.980119
4 add 16 10 2.032906 221.479998
5 add 16 4000 0.249839 551.740010 551.74001
6 add 16 5000 0.228259 924.140017
7 add 16 6000 0.225754 1120.140018
8 add 32 10 4.160501 456.679995
9 add 32 4000 0.280842 1730.680031
10 add 32 5000 0.250500 0.2505 1933.540033
11 add 32 6000 0.271774 1746.360030 1746.36003
12 add 64 10 8.474034 927.079988
13 add 64 4000 0.323267 3758.300065
14 add 64 5000 0.334061 3798.480071
15 add 64 6000 0.328457 3749.480066
16 add 8 10 0.940062 103.879999
17 add 8 5000 0.199689 197.960003
18 comparator 128 10 0.842074 1997.240039
19 comparator 128 5000 0.260142 5215.56005
20 comparator 16 10 0.576329 252.840005
21 comparator 16 4000 0.249312 280.280005
22 comparator 16 5000 0.199026 313.600006
23 comparator 16 6000 0.166568 422.380007
24 comparator 32 10 0.765874 495.880010 495.88001
25 comparator 32 4000 0.249950 0.24995 608.580012
26 comparator 32 5000 0.205372 919.240014
27 comparator 32 6000 0.201200 0.2012 1248.520016
28 comparator 64 10 0.561562 1008.420020 1008.42002
29 comparator 64 4000 0.249905 1437.660027
30 comparator 64 5000 0.219296 2738.120023
31 comparator 64 6000 0.221138 2341.220025
32 comparator 8 10 0.29577 118.580002
33 comparator 8 5000 0.195502 129.360003
34 mult 128 10 9.334627 180734.540854
35 mult 128 5000 1.78322 314617.244472
36 mult 16 10 4.730546 3869.040009
37 mult 16 4000 0.821111 9132.620147
38 mult 16 5000 0.820059 9583.420143
41 mult 32 4000 1.091389 31262.980534
42 mult 32 5000 1.092153 31497.200524
43 mult 32 6000 1.084816 33519.920555
44 mult 64 10 4.793300 4.7933 46798.920227
45 mult 64 4000 1.411752 93087.261425
46 mult 64 5000 1.404875 94040.801492
47 mult 64 6000 1.415466 89931.661403
48 shifter mult 16 8 10 0.000000 2.076433 0.000000 1009.399998
49 mult 8 5000 0.552339 4261.040075
50 shifter 128 10 2.577935 8113.420158
51 shifter 128 5000 0.395847 16602.180268
52 shifter 16 10 0.0 0.0
53 shifter 16 10 0.0 0.0
54 shifter 32 10 1.906335 1656.200032
55 shifter 32 10 1.906335 1656.200032
56 shifter 32 10 1.906335 1656.200032
63 shifter 32 6000 0.241742 4312.000069
64 shifter 32 6000 0.241742 4312.000069
65 shifter 32 6000 0.241742 4312.000069
66 shifter 8 10 0.0 0.0
67 shifter 8 5000 0.0 0.0

37
synthDC/ppaSynth.py Executable file
View File

@ -0,0 +1,37 @@
#!/usr/bin/python3
import subprocess
from multiprocessing import Pool
def runCommand(module, width, tech, freq):
command = "make synth DESIGN=ppa_{}_{} TECH={} DRIVE=INV FREQ={} MAXOPT=1".format(module, width, tech, freq)
subprocess.Popen(command, shell=True)
def deleteRedundant(LoT):
'''removes any previous runs for the current synthesis specifications'''
synthStr = "rm -rf runs/ppa_{}_{}_rv32e_{}nm_{}_*"
for synth in LoT:
bashCommand = synthStr.format(*synth)
outputCPL = subprocess.check_output(['bash','-c', bashCommand])
widths = ['128']
modules = ['mult']
freqs = ['5000']
tech = 'sky90'
#to run: add 8 10, shifter 8 16 (check .sv!)
LoT = []
for module in modules:
for width in widths:
for freq in freqs:
LoT += [[module, width, tech, freq]]
deleteRedundant(LoT)
pool = Pool()
pool.starmap(runCommand, LoT)
pool.close()
bashCommand = "wait"
outputCPL = subprocess.check_output(['bash','-c', bashCommand])

6
synthDC/scripts/synth.tcl
View File

@ -137,6 +137,10 @@ if {$tech == "sky130"} {
# Set the wire load model # Set the wire load model
set_wire_load_mode "top" set_wire_load_mode "top"
# Set switching activities
# default activity factors are 1 for clocks, 0.1 for others
# static probability of 0.5 is used for leakage
# Attempt Area Recovery - if looking for minimal area # Attempt Area Recovery - if looking for minimal area
# set_max_area 2000 # set_max_area 2000
@ -359,4 +363,4 @@ redirect $filename { report_constraint }
set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"] set filename [format "%s%s%s%s" $outputDir "/reports/" $my_toplevel "_hier.rep"]
# redirect $filename { report_hierarchy } # redirect $filename { report_hierarchy }
quit #quit