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Sparse matrix products OK

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Anthony Scemama 2019-02-28 00:03:18 +01:00
parent 2f28baf125
commit 3de8e31a18
1 changed files with 26 additions and 7 deletions
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33
Utils/Matrix.ml
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@ -154,6 +154,7 @@ let mm ?(transa=`N) ?(transb=`N) ?(threshold=epsilon) a b =
if f a <> f' b then if f a <> f' b then
invalid_arg "Inconsistent dimensions"; invalid_arg "Inconsistent dimensions";
(* Dense x sparse *)
let mmsp transa transb a b = let mmsp transa transb a b =
let a = let a =
match transa with match transa with
@ -184,6 +185,7 @@ let mm ?(transa=`N) ?(transb=`N) ?(threshold=epsilon) a b =
Sparse {m=m' ; n ; v=v'} Sparse {m=m' ; n ; v=v'}
in in
(* Sparse x dense *)
let spmm transa transb a b = let spmm transa transb a b =
let b = let b =
match transb with match transb with
@ -216,6 +218,7 @@ let mm ?(transa=`N) ?(transb=`N) ?(threshold=epsilon) a b =
Sparse {m ; n=n' ; v=v'} Sparse {m ; n=n' ; v=v'}
in in
(* Sparse x Sparse *)
let mmspmm transa transb a b = let mmspmm transa transb a b =
let {m ; n ; v} = let {m ; n ; v} =
if transb = `T then if transb = `T then
@ -331,18 +334,34 @@ let test_case () =
let x3 = gemm x1 x2 in let x3 = gemm x1 x2 in
let m3 = dense_of_mat x3 let m3 = dense_of_mat x3
and m3_s = sparse_of_mat x3 and m3_s = sparse_of_mat x3
and m4 = dense_of_mat x1 |> transpose
and m4_s = sparse_of_mat x1 |> transpose
and m5 = dense_of_mat x2 |> transpose
and m5_s = sparse_of_mat x2 |> transpose
in in
let norm_diff m1 m2 = let norm_diff m1 m2 =
(Mat.sub (to_mat m1) (to_mat m2) (Mat.sub (to_mat m1) (to_mat m2)
|> Mat.syrk_trace) |> Mat.syrk_trace)
in in
Alcotest.(check (float 1.e-10)) "dense dense 1" 0. (norm_diff (mm m1 m2) m3); Alcotest.(check (float 1.e-10)) "dense dense 1" 0. (norm_diff (mm m1 m2) m3);
Alcotest.(check (float 1.e-10)) "dense sparse 2" 0. (norm_diff (mm m1 m2_s) m3_s); Alcotest.(check (float 1.e-10)) "dense dense 2" 0. (norm_diff (mm ~transa:`T m4 m2) m3);
Alcotest.(check (float 1.e-10)) "dense sparse 3" 0. (norm_diff (transpose (mm m2 m1_s ~transa:`T ~transb:`T)) m3_s); Alcotest.(check (float 1.e-10)) "dense dense 3" 0. (norm_diff (mm ~transb:`T m1 m5) m3);
Alcotest.(check (float 1.e-10)) "sparse dense 4" 0. (norm_diff (mm m1_s m2) m3_s); Alcotest.(check (float 1.e-10)) "dense dense 4" 0. (norm_diff (mm ~transa:`T ~transb:`T m2 m1) (transpose m3));
Alcotest.(check (float 1.e-10)) "sparse dense 5" 0. (norm_diff (transpose (mm m2_s m1 ~transa:`T ~transb:`T)) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 6" 0. (norm_diff (mm m1_s m2_s) m3_s); Alcotest.(check (float 1.e-10)) "dense sparse 5" 0. (norm_diff (mm m1 m2_s) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 7" 0. (norm_diff (transpose (mm m2_s m1_s ~transa:`T ~transb:`T)) m3_s); Alcotest.(check (float 1.e-10)) "dense sparse 6" 0. (norm_diff (mm ~transa:`T m4 m2_s) m3_s);
Alcotest.(check (float 1.e-10)) "dense sparse 7" 0. (norm_diff (mm ~transb:`T m1 m5_s) m3_s);
Alcotest.(check (float 1.e-10)) "dense sparse 8" 0. (norm_diff (transpose (mm m2 m1_s ~transa:`T ~transb:`T)) m3_s);
Alcotest.(check (float 1.e-10)) "sparse dense 9" 0. (norm_diff (mm m1_s m2) m3_s);
Alcotest.(check (float 1.e-10)) "sparse dense 10" 0. (norm_diff (mm ~transa:`T m4_s m2) m3_s);
Alcotest.(check (float 1.e-10)) "sparse dense 11" 0. (norm_diff (mm ~transb:`T m1_s m5) m3_s);
Alcotest.(check (float 1.e-10)) "sparse dense 12" 0. (norm_diff (transpose (mm m2_s m1 ~transa:`T ~transb:`T)) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 13" 0. (norm_diff (mm m1_s m2_s) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 14" 0. (norm_diff (mm ~transa:`T m4_s m2_s) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 15" 0. (norm_diff (mm ~transb:`T m1_s m5_s) m3_s);
Alcotest.(check (float 1.e-10)) "sparse sparse 16" 0. (norm_diff (transpose (mm m2_s m1_s ~transa:`T ~transb:`T)) m3_s);
in in
[ [
"Conversion", `Quick, test_conversion; "Conversion", `Quick, test_conversion;