--- /dev/null
+package edu.berkeley.fleet.dataflow;
+import java.util.*;
+import java.io.*;
+import edu.berkeley.fleet.loops.*;
+import edu.berkeley.fleet.api.*;
+import edu.berkeley.fleet.fpga.*;
+import org.ibex.graphics.*;
+
+public class SortingDemo {
+
+ public static void main(String[] s) throws Exception {
+ //mergeSort(1024*64, 4, "Dvi",
+ mergeSort(1024*128, 4, "Dvi",
+ 4194304
+ );
+ //548*478);
+ }
+
+ /** demo */
+ public static void main0(String[] s) throws Exception {
+ PrintWriter pw = new PrintWriter(new OutputStreamWriter(new FileOutputStream("stats.txt")));
+ //int inflight = 1;
+ for(int inflight=1; inflight <= 8; inflight++)
+ for(int count = 32; count < 2097152; count *= 2) {
+ System.out.println("==============================================================================");
+ System.out.println("count="+count);
+ System.out.println("inflight="+inflight);
+ //long time = timeit(count, inflight);
+ long time = mergeSort(count, inflight, "DDR2", 0);
+ pw.println(inflight + ", " + count + ", " + time);
+ pw.flush();
+ }
+ }
+
+ public static long timeit(int count, int inflight) throws Exception {
+ Fleet fleet = new Fpga();
+ FleetProcess fp = fleet.run(new Instruction[0]);
+ ShipPool pool = new ShipPool(fleet);
+ //Program program = new Program(pool.allocateShip("Memory"));
+ CodeBag cb = new CodeBag(fleet);
+
+ Ship counter1 = pool.allocateShip("Counter");
+ Ship counter2 = pool.allocateShip("Counter");
+
+ Ship timer = pool.allocateShip("Timer");
+ Ship debug = pool.allocateShip("Debug");
+
+ LoopFactory lf;
+
+ lf = cb.loopFactory(debug.getDock("in"), 2);
+ lf.recvWord();
+ lf.deliver();
+
+
+ // First counter //////////////////////////////////////////////////////////////////////////////
+
+ lf = cb.loopFactory(counter1.getDock("in1"), 1);
+ lf.recvToken();
+ lf.literal(count);
+ lf.deliver();
+
+ lf = cb.loopFactory(counter1.getDock("in2"), 1);
+ lf.literal(1);
+ lf.deliver();
+
+ lf = cb.loopFactory(counter1.getDock("inOp"), 1);
+ lf.literal("COUNT");
+ lf.deliver();
+
+ lf = cb.loopFactory(counter1.getDock("out"), 0);
+ lf.recvToken();
+ lf.collectWord();
+ lf.sendWord(counter2.getDock("in2"));
+
+
+ // Second counter //////////////////////////////////////////////////////////////////////////////
+
+ lf = cb.loopFactory(counter2.getDock("in1"), 1);
+ lf.literal(count);
+ lf.deliver();
+ lf.literal(1);
+ lf.deliver();
+ lf.literal(1);
+ lf.deliver();
+
+ lf = cb.loopFactory(counter2.getDock("in2"), 1);
+ for(int i=0; i<inflight; i++)
+ lf.sendToken(counter1.getDock("out"));
+ lf = lf.makeNext(0);
+ lf.recvWord();
+ lf.sendToken(counter1.getDock("out"));
+ lf.deliver();
+
+ lf = cb.loopFactory(counter2.getDock("inOp"), 1);
+ lf.literal("DROP_C1_V2");
+ lf.deliver();
+ lf.literal("PASS_C1_V1");
+ lf.deliver();
+
+ lf = cb.loopFactory(counter2.getDock("out"), 1);
+ lf.collectWord();
+ lf.sendToken(timer.getDock("out"));
+
+
+ // Timer //////////////////////////////////////////////////////////////////////////////
+
+ lf = cb.loopFactory(timer.getDock("out"), 1);
+ lf.collectWord();
+ lf.sendToken(counter1.getDock("in1"));
+ lf.sendWord(debug.getDock("in"));
+ lf.recvToken();
+ lf.collectWord();
+ lf.sendWord(debug.getDock("in"));
+
+ FpgaDock out = (FpgaDock)counter1.getDock("out");
+ FpgaDock in = (FpgaDock)counter2.getDock("in2");
+ System.out.println("distance is " + out.getPathLength((FpgaDestination)in.getDataDestination()));
+ System.out.println("reverse distance is " + in.getPathLength((FpgaDestination)out.getDataDestination()));
+
+ for(Instruction i : cb.emit()) System.out.println(i);
+ cb.dispatch(fp, true);
+ long time1 = fp.recvWord().toLong();
+ System.out.println("got " + time1);
+ long time2 = fp.recvWord().toLong();
+ System.out.println("got " + time2);
+ System.out.println("diff=" + (time2-time1));
+
+ fp.terminate();
+
+ return (time2-time1);
+ }
+
+ public static long mergeSort(int vals_length, int inflight, String shipType, int clearAmount) throws Exception {
+ Node.CAPACITY = inflight;
+
+ Fleet fleet = new Fpga();
+ FleetProcess fp = fleet.run(new Instruction[0]);
+ ShipPool pool = new ShipPool(fleet);
+ Ship mem1 = pool.allocateShip(shipType);
+
+
+ if (clearAmount > 0)
+ randomizeMemory(fp, pool, mem1, 0, clearAmount, false);
+
+ //randomizeMemory(fp, pool, mem1, 0, vals_length, true);
+
+ BitVector[] bvs = new BitVector[vals_length];
+
+ long index = 0;
+ Picture p = new Picture(new FileInputStream("campus.png"));
+ for(int y=0; y<(478/2); y++)
+ for(int x=0; x<544; x++) {
+ if (index >= vals_length) break;
+ int pixel = (x>=p.width) ? 0 : p.data[p.width*y+x];
+ long r = (pixel>>0) & 0xff;
+ long g = (pixel>>8) & 0xff;
+ long b = (pixel>>16) & 0xff;
+ r >>= 2;
+ g >>= 2;
+ b >>= 2;
+ //r = ~(-1L<<6);
+ //g = ~(-1L<<6);
+ //b = ~(-1L<<6);
+ bvs[(int)index] = new BitVector(fleet.getWordWidth()).set( r | (g<<6) | (b<<12) | (index<<18) );
+ index++;
+ }
+
+ for(; index<vals_length; index++) {
+ long tag = index<<18;
+ bvs[(int)index] = new BitVector(fleet.getWordWidth()).set( tag );
+ }
+
+ System.out.println("final index " + index);
+
+ Random random = new Random(System.currentTimeMillis());
+ for(int i=0; i<bvs.length*10; i++) {
+ int from = Math.abs(random.nextInt()) % bvs.length;
+ int to = Math.abs(random.nextInt()) % bvs.length;
+ BitVector bv = bvs[from];
+ bvs[from] = bvs[to];
+ bvs[to] = bv;
+ }
+
+ int offset = 40;
+ MemoryUtils.writeMem(fp, pool, mem1, 40, bvs);
+
+ Ship mem = pool.allocateShip("Memory");
+ Program program = new Program(mem);
+ CodeBag cb_ = new MergeSort(fleet, program, pool, 2, mem1, mem1).makeInstance(offset, vals_length);
+ cb_.seal();
+ Ship button = pool.allocateShip("Button");
+ CodeBag cb = new CodeBag(fleet, program);
+ LoopFactory lf = cb.loopFactory(button.getDock("out"), 1);
+ lf.collectWord();
+ lf.literal(cb_.getDescriptor());
+ lf.sendWord(program.getCBDDestination());
+ cb.seal();
+
+ ShipPool pool2 = new ShipPool(fp.getFleet());
+ pool2.allocateShip(program.memoryShip);
+ // FIXME
+ long ret = program.run(fp, cb, pool2);
+ pool2.releaseShip(program.memoryShip);
+
+ //long ret = 0;
+ // verify the cleanup?
+ //CleanupUtils.verifyClean(fp);
+ //MemoryUtils.readMem(fp, new ShipPool(fp.getFleet()), mem1, 0, bvs);
+
+ BitVector[] bvx = new BitVector[1024];
+ pool.allocateShip(mem);
+ MemoryUtils.readMem(fp, new ShipPool(fp.getFleet()), mem1, 0, bvx);
+ for(int i=0; i<bvx.length; i++)
+ System.out.println(bvx[i]);
+ /*
+ System.out.println("results:");
+ for(int i=0; i<vals_length-1; i++)
+ if ( (bvs[i].toLong() & ~(-1L<<18)) != ~(-1L<<18))
+ System.out.println(bvs[i]);
+ */
+ /*
+ for(int i=0; i<vals_length-1; i++) {
+ if (bvs[i].toLong() > bvs[i+1].toLong())
+ System.out.println("sort failure at "+i+":\n "+bvs[i]+"\n "+bvs[i+1]);
+ }
+ */
+ fp.terminate();
+ return ret;
+ }
+
+ //static int offset = 32;
+ //static int offset = 544*2;
+ //static int offset = 544;
+
+ public static void randomizeMemory(FleetProcess fp, ShipPool pool_, Ship memory, long start, long length, boolean randomize) {
+ ShipPool pool = new ShipPool(pool_);
+ Ship mem = pool.allocateShip("Memory");
+ Program prog = new Program(mem);
+
+ DataFlowGraph dfg = new DataFlowGraph(fp.getFleet(), pool);
+ DownCounterNode dcn = new DownCounterNode(dfg);
+ dcn.start.connectOnce(length);
+ dcn.incr.connectOnce(1);
+
+ AluNode alu = new AluNode(dfg, "ADD");
+ alu.in1.connectForever(start);
+ alu.in2.connect(dcn.out);
+
+ MemoryNode mn = new MemoryNode(dfg, memory);
+ mn.inAddrWrite.connect(alu.out);
+
+ AluNode aluAnd = new AluNode(dfg, "AND");
+ if (randomize) {
+ aluAnd.in1.connect(new RandomNode(dfg).out);
+ } else {
+ //aluAnd.in1.connectForever( ~(-1L<<36) );
+ aluAnd.in1.connectForever( 0 );
+ }
+ aluAnd.in2.connectForever( ~(-1<<18) );
+ mn.inDataWrite.connect(aluAnd.out);
+
+ UnPunctuatorNode discard = new UnPunctuatorNode(dfg, true);
+ discard.count.connectOnce(length);
+ discard.val.connect(mn.outWrite);
+ DoneNode done = new DoneNode(dfg, prog);
+ discard.out.connect(done.in);
+
+ CodeBag cb = new CodeBag(fp.getFleet(), prog);
+ dfg.build(cb);
+ cb.seal();
+
+ CodeBag cb2 = new CodeBag(fp.getFleet(), prog);
+ Ship button = fp.getFleet().getShip("Button",0);
+
+ LoopFactory lf = cb2.loopFactory(button.getDock("out"), 1);
+ //lf.collectWord();
+ lf.literal(prog.getEndProgramCodeBag().getDescriptor());
+ lf.sendWord(done.getDestinationToSendNextCodeBagDescriptorTo());
+ lf.literal(cb.getDescriptor());
+ lf.sendWord(prog.getCBDDestination());
+ cb2.seal();
+
+ System.out.println("dispatching randomization codebag...");
+ prog.run(fp, cb2, pool);
+ System.out.println(" randomization done.");
+ pool.releaseAll();
+ }
+
+}
\ No newline at end of file
projects / fleet.git / blobdiff