From c2d767489b63fbd86d42a0cbcd82ab5d51f39361 Mon Sep 17 00:00:00 2001 From: Chewxy Date: Wed, 28 Oct 2020 12:55:53 +1100 Subject: [PATCH] Fix#57 (#92) * Fixed #90 * Added unsqueeze, which is used in concat (instead of reshape). unsqueeze works like reshape but is privileged - reshape cannot be used on non-contiguous views. unsqueeze can * Updated tests as well. * Updated travis * updated go mod --- .travis.yml | 1 + defaultengine_matop_misc.go | 5 ++ dense.go | 16 +++++- dense_assign.go | 4 +- dense_matop.go | 4 +- dense_matop_test.go | 3 +- dense_test.go | 43 ++++++++++++++++ go.mod | 8 +-- go.sum | 98 ++++++++++++++++++++++++++++++++++--- known_issues_test.go | 1 - 10 files changed, 167 insertions(+), 16 deletions(-) diff --git a/.travis.yml b/.travis.yml index 2e9a505..7933b1a 100644 --- a/.travis.yml +++ b/.travis.yml @@ -7,6 +7,7 @@ branches: go: - 1.13.x - 1.14.x + - 1.15.x - tip env: diff --git a/defaultengine_matop_misc.go b/defaultengine_matop_misc.go index 0fa6b90..bd9ee18 100644 --- a/defaultengine_matop_misc.go +++ b/defaultengine_matop_misc.go @@ -291,6 +291,7 @@ func (e StdEng) denseConcat(a DenseTensor, axis int, Ts []DenseTensor) (DenseTen return nil, errors.Wrap(err, "Unable to slice DenseTensor while performing denseConcat") } + // keep dims after slicing switch { case v.IsVector() && T.IsMatrix() && axis == 0: v.reshape(v.shape[0], 1) @@ -320,6 +321,10 @@ func (e StdEng) denseConcat(a DenseTensor, axis int, Ts []DenseTensor) (DenseTen } v.shape = newShape v.strides = newStrides + } else if T.Shape()[axis] == 1 { + if err := v.unsqueeze(axis); err != nil { + return nil, errors.Wrapf(err, "Unable to keep dims after slicing a shape %v on axis %d where the size is 1", T.Shape(), axis) + } } } diff --git a/dense.go b/dense.go index 09847ef..7604056 100644 --- a/dense.go +++ b/dense.go @@ -79,7 +79,6 @@ func (t *Dense) addMask(mask []bool) { } func (t *Dense) makeArray(size int) { - switch te := t.e.(type) { case NonStdEngine: t.flag = MakeMemoryFlag(t.flag, ManuallyManaged) @@ -99,7 +98,6 @@ func (t *Dense) makeArray(size int) { t.array.C = size t.array.fix() return - } // Info returns the access pattern which explains how the data in the underlying array is accessed. This is mostly used for debugging. @@ -158,6 +156,20 @@ func (t *Dense) reshape(dims ...int) error { return t.sanity() } +func (t *Dense) unsqueeze(axis int) error { + if axis > t.shape.Dims()+1 { + return errors.Errorf("Cannot unsqueeze on axis %d when the tensor has shape %v", axis, t.shape) + } + t.shape = append(t.shape, 1) + copy(t.shape[axis+1:], t.shape[axis:]) + t.shape[axis] = 1 + + t.strides = append(t.strides, 1) + copy(t.strides[axis+1:], t.strides[axis:]) + + return nil +} + // ScalarValue returns the scalar value of a *Tensor, // IF and ONLY IF it's a Tensor representation of a scalar value. // This is required because operations like a (vec ยท vec) would return a scalar value. diff --git a/dense_assign.go b/dense_assign.go index 8b2783e..bd8bceb 100644 --- a/dense_assign.go +++ b/dense_assign.go @@ -1,6 +1,8 @@ package tensor -import "github.com/pkg/errors" +import ( + "github.com/pkg/errors" +) func overlaps(a, b DenseTensor) bool { if a.cap() == 0 || b.cap() == 0 { diff --git a/dense_matop.go b/dense_matop.go index 43e1967..5ce693b 100644 --- a/dense_matop.go +++ b/dense_matop.go @@ -1,6 +1,8 @@ package tensor -import "github.com/pkg/errors" +import ( + "github.com/pkg/errors" +) // T performs a thunked transpose. It doesn't actually do anything, except store extra information about the post-transposed shapes and strides // Usually this is more than enough, as BLAS will handle the rest of the transpose diff --git a/dense_matop_test.go b/dense_matop_test.go index 5bf9533..755309f 100644 --- a/dense_matop_test.go +++ b/dense_matop_test.go @@ -741,7 +741,7 @@ var concatTests = []struct { {"3tensor; axis 0", Float64, nil, nil, Shape{2, 3, 2}, Shape{1, 3, 2}, 0, Shape{3, 3, 2}, []float64{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 0, 1, 2, 3, 4, 5}}, {"3tensor; axis 2", Float64, nil, nil, Shape{2, 3, 2}, Shape{2, 3, 1}, 2, Shape{2, 3, 3}, []float64{0, 1, 0, 2, 3, 1, 4, 5, 2, 6, 7, 3, 8, 9, 4, 10, 11, 5}}, - // {"3tensor; axis 1", Float64, nil, nil, Shape{2, 3, 2}, Shape{2, 1, 2}, 1, Shape{2, 4, 2}, []float64{222}}, + {"3tensor; axis 1", Float64, nil, nil, Shape{2, 3, 2}, Shape{2, 1, 2}, 1, Shape{2, 4, 2}, []float64{0, 1, 2, 3, 4, 5, 0, 1, 6, 7, 8, 9, 10, 11, 2, 3}}, } func TestDense_Concat(t *testing.T) { @@ -772,6 +772,7 @@ func TestDense_Concat(t *testing.T) { t.Errorf("Test %v failed: %v", cts.name, err) continue } + assert.True(cts.correctShape.Eq(T2.Shape())) assert.Equal(cts.correctData, T2.Data()) } diff --git a/dense_test.go b/dense_test.go index d3f43a3..d7e81e6 100644 --- a/dense_test.go +++ b/dense_test.go @@ -95,3 +95,46 @@ func Test_recycledDense(t *testing.T) { assert.Equal(t, StdEng{}, T.e) assert.Equal(t, StdEng{}, T.oe) } + +func TestDense_unsqueeze(t *testing.T) { + assert := assert.New(t) + T := New(WithShape(3, 3, 2), WithBacking([]float64{ + 1, 2, 3, 4, 5, 6, + 60, 50, 40, 30, 20, 10, + 100, 200, 300, 400, 500, 600, + })) + + if err := T.unsqueeze(0); err != nil { + t.Fatal(err) + } + + assert.True(T.Shape().Eq(Shape{1, 3, 3, 2})) + assert.Equal([]int{6, 6, 2, 1}, T.Strides()) // if you do shapes.CalcStrides() it'd be {18,6,2,1} + + // reset + T.Reshape(3, 3, 2) + + if err := T.unsqueeze(1); err != nil { + t.Fatal(err) + } + assert.True(T.Shape().Eq(Shape{3, 1, 3, 2})) + assert.Equal([]int{6, 2, 2, 1}, T.Strides()) + + // reset + T.Reshape(3, 3, 2) + if err := T.unsqueeze(2); err != nil { + t.Fatal(err) + } + t.Logf("%v", T) + assert.True(T.Shape().Eq(Shape{3, 3, 1, 2})) + assert.Equal([]int{6, 2, 1, 1}, T.Strides()) + + // reset + T.Reshape(3, 3, 2) + if err := T.unsqueeze(3); err != nil { + t.Fatal(err) + } + t.Logf("%v", T) + assert.True(T.Shape().Eq(Shape{3, 3, 2, 1})) + assert.Equal([]int{6, 2, 1, 1}, T.Strides()) +} diff --git a/go.mod b/go.mod index 5f4bbe2..7c1db9f 100644 --- a/go.mod +++ b/go.mod @@ -3,16 +3,16 @@ module gorgonia.org/tensor go 1.13 require ( - github.com/apache/arrow/go/arrow v0.0.0-20200909005831-30143fc493df + github.com/apache/arrow/go/arrow v0.0.0-20201027203332-c3091dd3f8ca github.com/chewxy/hm v1.0.0 github.com/chewxy/math32 v1.0.6 - github.com/gogo/protobuf v1.3.0 - github.com/golang/protobuf v1.3.2 + github.com/gogo/protobuf v1.3.1 + github.com/golang/protobuf v1.4.2 github.com/google/flatbuffers v1.11.0 github.com/pkg/errors v0.9.1 github.com/stretchr/testify v1.6.0 github.com/xtgo/set v1.0.0 // indirect - gonum.org/v1/gonum v0.7.0 + gonum.org/v1/gonum v0.8.1 gorgonia.org/vecf32 v0.9.0 gorgonia.org/vecf64 v0.9.0 ) diff --git a/go.sum b/go.sum index 7bbd20d..d1d71b5 100644 --- a/go.sum +++ b/go.sum @@ -1,21 +1,48 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw= -github.com/apache/arrow/go/arrow v0.0.0-20200909005831-30143fc493df h1:iXnL0pMIR/RDUWl0kCbc0CQ3UyehlyV+t/DYCLJTbFc= -github.com/apache/arrow/go/arrow v0.0.0-20200909005831-30143fc493df/go.mod h1:QNYViu/X0HXDHw7m3KXzWSVXIbfUvJqBFe6Gj8/pYA0= +github.com/apache/arrow/go/arrow v0.0.0-20201027203332-c3091dd3f8ca h1:OYqlohQ0r1GB7SeG03ct5Xox668iVXgThaNyKLeC01E= +github.com/apache/arrow/go/arrow v0.0.0-20201027203332-c3091dd3f8ca/go.mod h1:c9sxoIT3YgLxH4UhLOCKaBlEojuMhVYpk4Ntv3opUTQ= +github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU= github.com/chewxy/hm v1.0.0 h1:zy/TSv3LV2nD3dwUEQL2VhXeoXbb9QkpmdRAVUFiA6k= github.com/chewxy/hm v1.0.0/go.mod h1:qg9YI4q6Fkj/whwHR1D+bOGeF7SniIP40VweVepLjg0= github.com/chewxy/math32 v1.0.0/go.mod h1:Miac6hA1ohdDUTagnvJy/q+aNnEk16qWUdb8ZVhvCN0= github.com/chewxy/math32 v1.0.6 h1:JWZYUNl2rtgVVui6z8JBsDgkOG2DYmfSODyo95yKfx4= github.com/chewxy/math32 v1.0.6/go.mod h1:dOB2rcuFrCn6UHrze36WSLVPKtzPMRAQvBvUwkSsLqs= +github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw= +github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= 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h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k= +github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q= +github.com/golang/mock v1.1.1/go.mod h1:oTYuIxOrZwtPieC+H1uAHpcLFnEyAGVDL/k47Jfbm0A= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/golang/protobuf v1.3.2 h1:6nsPYzhq5kReh6QImI3k5qWzO4PEbvbIW2cwSfR/6xs= github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= +github.com/golang/protobuf v1.3.3/go.mod h1:vzj43D7+SQXF/4pzW/hwtAqwc6iTitCiVSaWz5lYuqw= +github.com/golang/protobuf v1.4.0-rc.1/go.mod h1:ceaxUfeHdC40wWswd/P6IGgMaK3YpKi5j83Wpe3EHw8= +github.com/golang/protobuf v1.4.0-rc.1.0.20200221234624-67d41d38c208/go.mod h1:xKAWHe0F5eneWXFV3EuXVDTCmh+JuBKY0li0aMyXATA= +github.com/golang/protobuf v1.4.0-rc.2/go.mod h1:LlEzMj4AhA7rCAGe4KMBDvJI+AwstrUpVNzEA03Pprs= +github.com/golang/protobuf v1.4.0-rc.4.0.20200313231945-b860323f09d0/go.mod h1:WU3c8KckQ9AFe+yFwt9sWVRKCVIyN9cPHBJSNnbL67w= +github.com/golang/protobuf v1.4.0/go.mod h1:jodUvKwWbYaEsadDk5Fwe5c77LiNKVO9IDvqG2KuDX0= +github.com/golang/protobuf v1.4.1/go.mod h1:U8fpvMrcmy5pZrNK1lt4xCsGvpyWQ/VVv6QDs8UjoX8= +github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0= +github.com/golang/protobuf v1.4.2/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw735rRwI= github.com/google/flatbuffers v1.11.0 h1:O7CEyB8Cb3/DmtxODGtLHcEvpr81Jm5qLg/hsHnxA2A= github.com/google/flatbuffers v1.11.0/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8= +github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= +github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= +github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= +github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w= +github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= github.com/jung-kurt/gofpdf v1.0.3-0.20190309125859-24315acbbda5/go.mod h1:7Id9E/uU8ce6rXgefFLlgrJj/GYY22cpxn+r32jIOes= github.com/kisielk/errcheck v1.2.0/go.mod h1:/BMXB+zMLi60iA8Vv6Ksmxu/1UDYcXs4uQLJ+jE2L00= github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck= @@ -23,6 +50,7 @@ github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4= github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= github.com/stretchr/testify v1.1.4/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= github.com/stretchr/testify v1.2.0/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= @@ -30,22 +58,78 @@ github.com/stretchr/testify v1.6.0 h1:jlIyCplCJFULU/01vCkhKuTyc3OorI3bJFuw6obfgh github.com/stretchr/testify v1.6.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= github.com/xtgo/set v1.0.0 h1:6BCNBRv3ORNDQ7fyoJXRv+tstJz3m1JVFQErfeZz2pY= github.com/xtgo/set v1.0.0/go.mod h1:d3NHzGzSa0NmB2NhFyECA+QdRp29oEn2xbT+TpeFoM8= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= golang.org/x/exp v0.0.0-20180321215751-8460e604b9de/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA= golang.org/x/exp v0.0.0-20180807140117-3d87b88a115f/go.mod 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gorgonia.org/vecf64 v0.9.0/go.mod h1:hp7IOWCnRiVQKON73kkC/AUMtEXyf9kGlVrtPQ9ccVA= +honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4= diff --git a/known_issues_test.go b/known_issues_test.go index 766056c..36d4125 100644 --- a/known_issues_test.go +++ b/known_issues_test.go @@ -139,7 +139,6 @@ var ltoiTestCases = []struct { } func TestIssue90(t *testing.T) { - for i, c := range ltoiTestCases { at, err := Ltoi(c.shape, c.strides, c.coordinates...) if !checkErr(t, c.willErr, err, c.name, i) {