[PyTorch] Update to 2.1

pytorch/include_list.pl

@@ -0,0 +1,65 @@
+#!/bin/perl
+
+# Must be run at from javacpp-presets/pytorch after cppbuild.sh has been run 
+# for linux-x86_64-gpu
+
+# Generate the lists of includes to parse, in order, from the output
+# of g++ -H
+# Used to update src/main/resources/org/bytedeco/pytorch/presets/*
+
+use strict;
+use warnings;
+
+my %incs;
+my @inc_per_depth;
+
+sub flush($) {
+    my $min_depth = shift;
+    for (my $d = @inc_per_depth - 1; $d >= $min_depth; $d--) {
+        if ($inc_per_depth[$d]) {
+            foreach my $i (@{$inc_per_depth[$d]}) {
+                print "#include \"$i\"\n";
+                $incs{$i} = 1;
+            }
+            undef $inc_per_depth[$d];
+        }
+    }
+}
+
+sub go {
+    my $path = join ' ', @_;
+
+    my @inc = `g++ -I torch/csrc/api/include/ -I. -H $path -E 2>&1 > /dev/null`;
+    foreach my $i (@inc) {
+        chomp $i;
+        my ($depth, $f) = $i =~ /^(\.+)\s(.*\.h)$/;
+        next unless $depth;
+        $depth = length($depth);
+        $f =~ s#^\./##;
+        next if $f =~ m#^/
+  |^ATen/ops/\w+_native\.h$
+  |^ATen/ops/\w+_meta\.h$
+  |^ATen/ops/\w+_ops\.h$
+  |^ATen/ops/_\w+\.h$#x
+            or $incs{$f};
+        flush($depth);
+        my $incs = $inc_per_depth[$depth];
+        $incs = $inc_per_depth[$depth] = [] unless $incs;
+        push @$incs, $f;
+    }
+    flush(0);
+}
+
+chdir "cppbuild/linux-x86_64-gpu/pytorch/torch/include";
+
+go('torch/csrc/api/include/torch/torch.h', 'torch/script.h');
+
+print <<EOF;
+
+// Included by
+// ATen/cudnn/Descriptors.h
+// ATen/cudnn/Types.h
+// c10/cuda/CUDAGuard.h
+EOF
+
+go('ATen/cudnn/Descriptors.h', 'ATen/cudnn/Types.h', 'c10/cuda/CUDAGuard.h', '-I/opt/cuda/targets/x86_64-linux/include/');