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Cleanup; remove unused json writer
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Signed-off-by: Eddie Hung <[email protected]>
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@eddieh-xlnx
eddieh-xlnx committed Oct 29, 2024
1 parent 9ea4f42 commit fa6cfd3
Showing 1 changed file with 14 additions and 115 deletions.
129 changes: 14 additions & 115 deletions src/com/xilinx/rapidwright/placer/dreamplacefpga/DREAMPlaceFPGA.java
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Original file line number Diff line number Diff line change
Expand Up @@ -53,117 +53,27 @@
*/
public class DREAMPlaceFPGA {

public static final String INTERCHANGE_NETLIST = "interchange_netlist";
public static final String INTERCHANGE_DEVICE = "interchange_device";
public static final String RESULT_DIR = "result_dir";
public static final String IO_PL = "io_pl";
public static final String GPU = "gpu";
public static final String NUM_BINS_X = "num_bins_x";
public static final String NUM_BINS_Y = "num_bins_y";
public static final String GLOBAL_PLACE_STAGES = "global_place_stages";
public static final String TARGET_DENSITY = "target_density";
public static final String DENSITY_WEIGHT = "density_weight";
public static final String RANDOM_SEED = "random_seed";
public static final String SCALE_FACTOR = "scale_factor";
public static final String GLOBAL_PLACE_FLAG = "global_place_flag";
public static final String ROUTABILITY_OPT_FLAG = "routability_opt_flag";
public static final String LEGALIZE_FLAG = "legalize_flag";
public static final String DETAILED_PLACE_FLAG = "detailed_place_flag";
public static final String DTYPE = "dtype";
public static final String PLOT_FLAG = "plot_flag";
public static final String NUM_THREADS = "num_threads";
public static final String DETERMINISTIC_FLAG = "deterministic_flag";
public static final String ENABLE_IF = "enable_if";
public static final String ENABLE_SITE_ROUTING = "enable_site_routing";

public static final String IO_PL_DEFAULT = "";
public static final boolean GPU_DEFAULT = false;
public static final int NUM_BINS_X_DEFAULT = 512;
public static final int NUM_BINS_Y_DEFAULT = 512;
public static final String GLOBAL_PLACE_STAGES_DEFAULT =
"[\n{\"num_bins_x\" : 512,"
+ " \"num_bins_y\" : 512,"
+ " \"iteration\" : 2000,"
+ " \"learning_rate\" : 0.01,"
+ " \"wirelength\" : \"weighted_average\","
+ " \"optimizer\" : \"nesterov\"}\n]";
public static final double TARGET_DENSITY_DEFAULT = 1.0;
public static final double DENSITY_WEIGHT_DEFAULT = 8e-5;
public static final int RANDOM_SEED_DEFAULT = 1000;
public static final double SCALE_FACTOR_DEFAULT = 1.0;
public static final boolean GLOBAL_PLACE_FLAG_DEFAULT = true;
public static final boolean ROUTABILITY_OPT_FLAG_DEFAULT = false;
public static final boolean LEGALIZE_FLAG_DEFAULT = true;
public static final boolean DETAILED_PLACE_FLAG_DEFAULT = false;
public static final String DTYPE_DEFAULT = "float32";
public static final boolean PLOT_FLAG_DEFAULT = false;
public static final int NUM_THREADS_DEFAULT = 8;
public static final boolean DETERMINISTIC_FLAG_DEFAULT = true;
public static final boolean ENABLE_IF_DEFAULT = true;
public static final boolean ENABLE_SITE_ROUTING_DEFAULT = false;

// public static final String dreamPlaceFPGAExec = "DREAMPlaceFPGA";
public static final String dreamPlaceFPGAExec = "dreamplacefpga";

public static final String MAKE_DCP_OUT_OF_CONTEXT = PhysicalNetlistToDcp.MAKE_DCP_OUT_OF_CONTEXT;

public static Map<String, Object> getSettingsMap() {
Map<String, Object> map = new HashMap<>();

map.put(IO_PL, IO_PL_DEFAULT);
map.put(GPU, GPU_DEFAULT);
map.put(NUM_BINS_X, NUM_BINS_X_DEFAULT);
map.put(NUM_BINS_Y, NUM_BINS_Y_DEFAULT);
map.put(GLOBAL_PLACE_STAGES, GLOBAL_PLACE_STAGES_DEFAULT);
map.put(TARGET_DENSITY, TARGET_DENSITY_DEFAULT);
map.put(DENSITY_WEIGHT, DENSITY_WEIGHT_DEFAULT);
map.put(RANDOM_SEED, RANDOM_SEED_DEFAULT);
map.put(SCALE_FACTOR, SCALE_FACTOR_DEFAULT);
map.put(GLOBAL_PLACE_FLAG, GLOBAL_PLACE_FLAG_DEFAULT);
map.put(ROUTABILITY_OPT_FLAG, ROUTABILITY_OPT_FLAG_DEFAULT);
map.put(LEGALIZE_FLAG, LEGALIZE_FLAG_DEFAULT);
map.put(DETAILED_PLACE_FLAG, DETAILED_PLACE_FLAG_DEFAULT);
map.put(DTYPE, DTYPE_DEFAULT);
map.put(PLOT_FLAG, PLOT_FLAG_DEFAULT);
map.put(NUM_THREADS, NUM_THREADS_DEFAULT);
map.put(DETERMINISTIC_FLAG, DETERMINISTIC_FLAG_DEFAULT);
map.put(ENABLE_IF, ENABLE_IF_DEFAULT);
map.put(ENABLE_SITE_ROUTING, ENABLE_SITE_ROUTING_DEFAULT);

return map;
}

public static void writeJSONForDREAMPlaceFPGA(Path jsonPath, Map<String, Object> attributes) {
try (BufferedWriter bw = new BufferedWriter(new FileWriter(jsonPath.toFile()))) {
bw.write("{\n");
boolean first = true;
for (Entry<String, Object> e : attributes.entrySet()) {
if (first) {
first = false;
} else {
bw.write(",\n");
}
bw.write(" \"" + e.getKey() + "\"");
bw.write(" : ");
if (e.getValue() instanceof String && !e.getKey().equals(GLOBAL_PLACE_STAGES)) {
bw.write("\"" + e.getValue().toString() + "\"");
} else if (e.getValue() instanceof Boolean) {
bw.write((boolean) e.getValue() ? "1" : "0");
} else {
bw.write(e.getValue().toString() + "");
}

}
bw.write("\n}\n");
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}

/**
* Given a EDIFNetlist object, place it using DREAMPlaceFPGA.
* @param netlist EDIFNetlist object to be placed.
* @return Placed Design object.
* @throws IOException
*/
public static Design placeDesign(EDIFNetlist netlist) throws IOException {
return placeDesign(netlist, null, false);
}

/**
* Given a EDIFNetlist object, place it using DREAMPlaceFPGA.
* @param netlist EDIFNetlist object to be placed.
* @param workDir Path to working directory (null to use a temporary directory which gets deleted on return)
* @return Placed Design object.
* @throws IOException
*/
public static Design placeDesign(EDIFNetlist netlist, Path workDir, boolean makeOutOfContext) throws IOException {
boolean removeWorkDir = false;
if (workDir == null) {
Expand Down Expand Up @@ -194,17 +104,6 @@ public static Design placeDesign(EDIFNetlist netlist, Path workDir, boolean make
}
}

// Create JSON file for DREAMPlaceFPGA
// Path jsonFile = workDir.resolve("design.json");
// Map<String, Object> settings = getSettingsMap();
// settings.put(INTERCHANGE_DEVICE, deviceFile.toString());
// settings.put(INTERCHANGE_NETLIST, workDir.relativize(Paths.get(inputRoot + Interchange.LOG_NETLIST_EXT)).toString());
// settings.put(RESULT_DIR, workDir.toString());
// writeJSONForDREAMPlaceFPGA(jsonFile, settings);

// Run DREAMPlaceFPGA
// String exec = dreamPlaceFPGAExec + " " + workDir.relativize(jsonFile);

// Run DREAMPlaceFPGA
List<String> exec = new ArrayList<>();
exec.add(dreamPlaceFPGAExec);
Expand All @@ -223,7 +122,7 @@ public static Design placeDesign(EDIFNetlist netlist, Path workDir, boolean make
}

// Load placed result
Design placedDesign = null;
Design placedDesign;
String outputPhysNetlistPath = workDir.resolve("design/design.phys").toString();
try {
placedDesign = PhysNetlistReader.readPhysNetlist(outputPhysNetlistPath,
Expand Down

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