| 640 | <h1>DS Instruction timings</h1> |
| 641 | <p>Timings of DS instructions includes only execution without waiting for completing |
| 642 | LDS/GDS memory access on single wavefront. Timings of DS instructions are in this table:</p> |
| 643 | <table> |
| 644 | <thead> |
| 645 | <tr> |
| 646 | <th>Instruction</th> |
| 647 | <th>Cycles</th> |
| 648 | <th>Instruction</th> |
| 649 | <th>Cycles</th> |
| 650 | </tr> |
| 651 | </thead> |
| 652 | <tbody> |
| 653 | <tr> |
| 654 | <td>DS_ADD_RTN_U32</td> |
| 655 | <td>8</td> |
| 656 | <td>DS_MIN_SRC2_F32</td> |
| 657 | <td>4</td> |
| 658 | </tr> |
| 659 | <tr> |
| 660 | <td>DS_ADD_RTN_U64</td> |
| 661 | <td>12</td> |
| 662 | <td>DS_MIN_SRC2_F64</td> |
| 663 | <td>8</td> |
| 664 | </tr> |
| 665 | <tr> |
| 666 | <td>DS_ADD_SRC2_U32</td> |
| 667 | <td>4</td> |
| 668 | <td>DS_MIN_SRC2_I32</td> |
| 669 | <td>4</td> |
| 670 | </tr> |
| 671 | <tr> |
| 672 | <td>DS_ADD_SRC2_U64</td> |
| 673 | <td>8</td> |
| 674 | <td>DS_MIN_SRC2_I64</td> |
| 675 | <td>8</td> |
| 676 | </tr> |
| 677 | <tr> |
| 678 | <td>DS_ADD_U32</td> |
| 679 | <td>8</td> |
| 680 | <td>DS_MIN_SRC2_U32</td> |
| 681 | <td>4</td> |
| 682 | </tr> |
| 683 | <tr> |
| 684 | <td>DS_ADD_U64</td> |
| 685 | <td>12</td> |
| 686 | <td>DS_MIN_SRC2_U64</td> |
| 687 | <td>8</td> |
| 688 | </tr> |
| 689 | <tr> |
| 690 | <td>DS_AND_B32</td> |
| 691 | <td>8</td> |
| 692 | <td>DS_MIN_U32</td> |
| 693 | <td>8</td> |
| 694 | </tr> |
| 695 | <tr> |
| 696 | <td>DS_AND_B64</td> |
| 697 | <td>12</td> |
| 698 | <td>DS_MIN_U64</td> |
| 699 | <td>12</td> |
| 700 | </tr> |
| 701 | <tr> |
| 702 | <td>DS_AND_RTN_B32</td> |
| 703 | <td>8</td> |
| 704 | <td>DS_MSKOR_B32</td> |
| 705 | <td>12</td> |
| 706 | </tr> |
| 707 | <tr> |
| 708 | <td>DS_AND_RTN_B64</td> |
| 709 | <td>12</td> |
| 710 | <td>DS_MSKOR_B64</td> |
| 711 | <td>20</td> |
| 712 | </tr> |
| 713 | <tr> |
| 714 | <td>DS_AND_SRC2_B32</td> |
| 715 | <td>4</td> |
| 716 | <td>DS_MSKOR_RTN_B32</td> |
| 717 | <td>12</td> |
| 718 | </tr> |
| 719 | <tr> |
| 720 | <td>DS_AND_SRC2_B64</td> |
| 721 | <td>8</td> |
| 722 | <td>DS_MSKOR_RTN_B64</td> |
| 723 | <td>20</td> |
| 724 | </tr> |
| 725 | <tr> |
| 726 | <td>DS_APPEND</td> |
| 727 | <td>4</td> |
| 728 | <td>DS_NOP</td> |
| 729 | <td>4</td> |
| 730 | </tr> |
| 731 | <tr> |
| 732 | <td>DS_CMPST_B32</td> |
| 733 | <td>12</td> |
| 734 | <td>DS_ORDERED_COUNT (???)</td> |
| 735 | <td>?</td> |
| 736 | </tr> |
| 737 | <tr> |
| 738 | <td>DS_CMPST_B64</td> |
| 739 | <td>20</td> |
| 740 | <td>DS_OR_B32</td> |
| 741 | <td>8</td> |
| 742 | </tr> |
| 743 | <tr> |
| 744 | <td>DS_CMPST_F32</td> |
| 745 | <td>12</td> |
| 746 | <td>DS_OR_B64</td> |
| 747 | <td>12</td> |
| 748 | </tr> |
| 749 | <tr> |
| 750 | <td>DS_CMPST_F64</td> |
| 751 | <td>20</td> |
| 752 | <td>DS_OR_RTN_B32</td> |
| 753 | <td>8</td> |
| 754 | </tr> |
| 755 | <tr> |
| 756 | <td>DS_CMPST_RTN_B32</td> |
| 757 | <td>12</td> |
| 758 | <td>DS_OR_RTN_B64</td> |
| 759 | <td>12</td> |
| 760 | </tr> |
| 761 | <tr> |
| 762 | <td>DS_CMPST_RTN_B64</td> |
| 763 | <td>20</td> |
| 764 | <td>DS_OR_SRC2_B32</td> |
| 765 | <td>4</td> |
| 766 | </tr> |
| 767 | <tr> |
| 768 | <td>DS_CMPST_RTN_F32</td> |
| 769 | <td>12</td> |
| 770 | <td>DS_OR_SRC2_B64</td> |
| 771 | <td>8</td> |
| 772 | </tr> |
| 773 | <tr> |
| 774 | <td>DS_CMPST_RTN_F64</td> |
| 775 | <td>20</td> |
| 776 | <td>DS_READ2ST64_B32</td> |
| 777 | <td>8</td> |
| 778 | </tr> |
| 779 | <tr> |
| 780 | <td>DS_CONDXCHG32_RTN_B128</td> |
| 781 | <td>?</td> |
| 782 | <td>DS_READ2ST64_B64</td> |
| 783 | <td>16</td> |
| 784 | </tr> |
| 785 | <tr> |
| 786 | <td>DS_CONDXCHG32_RTN_B64</td> |
| 787 | <td>?</td> |
| 788 | <td>DS_READ2_B32</td> |
| 789 | <td>8</td> |
| 790 | </tr> |
| 791 | <tr> |
| 792 | <td>DS_CONSUME</td> |
| 793 | <td>4</td> |
| 794 | <td>DS_READ2_B64</td> |
| 795 | <td>16</td> |
| 796 | </tr> |
| 797 | <tr> |
| 798 | <td>DS_DEC_RTN_U32</td> |
| 799 | <td>8</td> |
| 800 | <td>DS_READ_B128</td> |
| 801 | <td>16</td> |
| 802 | </tr> |
| 803 | <tr> |
| 804 | <td>DS_DEC_RTN_U64</td> |
| 805 | <td>12</td> |
| 806 | <td>DS_READ_B32</td> |
| 807 | <td>4</td> |
| 808 | </tr> |
| 809 | <tr> |
| 810 | <td>DS_DEC_SRC2_U32</td> |
| 811 | <td>4</td> |
| 812 | <td>DS_READ_B64</td> |
| 813 | <td>8</td> |
| 814 | </tr> |
| 815 | <tr> |
| 816 | <td>DS_DEC_SRC2_U64</td> |
| 817 | <td>8</td> |
| 818 | <td>DS_READ_B96</td> |
| 819 | <td>16</td> |
| 820 | </tr> |
| 821 | <tr> |
| 822 | <td>DS_DEC_U32</td> |
| 823 | <td>8</td> |
| 824 | <td>DS_READ_I16</td> |
| 825 | <td>4</td> |
| 826 | </tr> |
| 827 | <tr> |
| 828 | <td>DS_DEC_U64</td> |
| 829 | <td>12</td> |
| 830 | <td>DS_READ_I8</td> |
| 831 | <td>4</td> |
| 832 | </tr> |
| 833 | <tr> |
| 834 | <td>DS_GWS_BARRIER</td> |
| 835 | <td>?</td> |
| 836 | <td>DS_READ_U16</td> |
| 837 | <td>4</td> |
| 838 | </tr> |
| 839 | <tr> |
| 840 | <td>DS_GWS_INIT</td> |
| 841 | <td>?</td> |
| 842 | <td>DS_READ_U8</td> |
| 843 | <td>4</td> |
| 844 | </tr> |
| 845 | <tr> |
| 846 | <td>DS_GWS_SEMA_BR</td> |
| 847 | <td>?</td> |
| 848 | <td>DS_RSUB_RTN_U32</td> |
| 849 | <td>8</td> |
| 850 | </tr> |
| 851 | <tr> |
| 852 | <td>DS_GWS_SEMA_P</td> |
| 853 | <td>?</td> |
| 854 | <td>DS_RSUB_RTN_U64</td> |
| 855 | <td>12</td> |
| 856 | </tr> |
| 857 | <tr> |
| 858 | <td>DS_GWS_SEMA_RELEASE_ALL</td> |
| 859 | <td>?</td> |
| 860 | <td>DS_RSUB_SRC2_U32</td> |
| 861 | <td>4</td> |
| 862 | </tr> |
| 863 | <tr> |
| 864 | <td>DS_GWS_SEMA_V</td> |
| 865 | <td>?</td> |
| 866 | <td>DS_RSUB_SRC2_U64</td> |
| 867 | <td>8</td> |
| 868 | </tr> |
| 869 | <tr> |
| 870 | <td>DS_INC_RTN_U32</td> |
| 871 | <td>8</td> |
| 872 | <td>DS_RSUB_U32</td> |
| 873 | <td>8</td> |
| 874 | </tr> |
| 875 | <tr> |
| 876 | <td>DS_INC_RTN_U64</td> |
| 877 | <td>12</td> |
| 878 | <td>DS_RSUB_U64</td> |
| 879 | <td>12</td> |
| 880 | </tr> |
| 881 | <tr> |
| 882 | <td>DS_INC_SRC2_U32</td> |
| 883 | <td>4</td> |
| 884 | <td>DS_SUB_RTN_U32</td> |
| 885 | <td>8</td> |
| 886 | </tr> |
| 887 | <tr> |
| 888 | <td>DS_INC_SRC2_U64</td> |
| 889 | <td>8</td> |
| 890 | <td>DS_SUB_RTN_U64</td> |
| 891 | <td>12</td> |
| 892 | </tr> |
| 893 | <tr> |
| 894 | <td>DS_INC_U32</td> |
| 895 | <td>8</td> |
| 896 | <td>DS_SUB_SRC2_U32</td> |
| 897 | <td>4</td> |
| 898 | </tr> |
| 899 | <tr> |
| 900 | <td>DS_INC_U64</td> |
| 901 | <td>12</td> |
| 902 | <td>DS_SUB_SRC2_U64</td> |
| 903 | <td>8</td> |
| 904 | </tr> |
| 905 | <tr> |
| 906 | <td>DS_MAX_F32</td> |
| 907 | <td>8</td> |
| 908 | <td>DS_SUB_U32</td> |
| 909 | <td>8</td> |
| 910 | </tr> |
| 911 | <tr> |
| 912 | <td>DS_MAX_F64</td> |
| 913 | <td>12</td> |
| 914 | <td>DS_SUB_U64</td> |
| 915 | <td>12</td> |
| 916 | </tr> |
| 917 | <tr> |
| 918 | <td>DS_MAX_I32</td> |
| 919 | <td>8</td> |
| 920 | <td>DS_SWIZZLE_B32</td> |
| 921 | <td>4</td> |
| 922 | </tr> |
| 923 | <tr> |
| 924 | <td>DS_MAX_I64</td> |
| 925 | <td>12</td> |
| 926 | <td>DS_WRAP_RTN_B32</td> |
| 927 | <td>?</td> |
| 928 | </tr> |
| 929 | <tr> |
| 930 | <td>DS_MAX_RTN_F32</td> |
| 931 | <td>8</td> |
| 932 | <td>DS_WRITE2ST64_B32</td> |
| 933 | <td>12</td> |
| 934 | </tr> |
| 935 | <tr> |
| 936 | <td>DS_MAX_RTN_F64</td> |
| 937 | <td>12</td> |
| 938 | <td>DS_WRITE2ST64_B64</td> |
| 939 | <td>20</td> |
| 940 | </tr> |
| 941 | <tr> |
| 942 | <td>DS_MAX_RTN_I32</td> |
| 943 | <td>8</td> |
| 944 | <td>DS_WRITE2_B32</td> |
| 945 | <td>12</td> |
| 946 | </tr> |
| 947 | <tr> |
| 948 | <td>DS_MAX_RTN_I64</td> |
| 949 | <td>12</td> |
| 950 | <td>DS_WRITE2_B64</td> |
| 951 | <td>20</td> |
| 952 | </tr> |
| 953 | <tr> |
| 954 | <td>DS_MAX_RTN_U32</td> |
| 955 | <td>8</td> |
| 956 | <td>DS_WRITE_B128</td> |
| 957 | <td>20</td> |
| 958 | </tr> |
| 959 | <tr> |
| 960 | <td>DS_MAX_RTN_U64</td> |
| 961 | <td>12</td> |
| 962 | <td>DS_WRITE_B16</td> |
| 963 | <td>8</td> |
| 964 | </tr> |
| 965 | <tr> |
| 966 | <td>DS_MAX_SRC2_F32</td> |
| 967 | <td>4</td> |
| 968 | <td>DS_WRITE_B32</td> |
| 969 | <td>8</td> |
| 970 | </tr> |
| 971 | <tr> |
| 972 | <td>DS_MAX_SRC2_F64</td> |
| 973 | <td>8</td> |
| 974 | <td>DS_WRITE_B64</td> |
| 975 | <td>12</td> |
| 976 | </tr> |
| 977 | <tr> |
| 978 | <td>DS_MAX_SRC2_I32</td> |
| 979 | <td>4</td> |
| 980 | <td>DS_WRITE_B8</td> |
| 981 | <td>8</td> |
| 982 | </tr> |
| 983 | <tr> |
| 984 | <td>DS_MAX_SRC2_I64</td> |
| 985 | <td>8</td> |
| 986 | <td>DS_WRITE_B96</td> |
| 987 | <td>16</td> |
| 988 | </tr> |
| 989 | <tr> |
| 990 | <td>DS_MAX_SRC2_U32</td> |
| 991 | <td>4</td> |
| 992 | <td>DS_WRITE_SRC2_B32</td> |
| 993 | <td>12</td> |
| 994 | </tr> |
| 995 | <tr> |
| 996 | <td>DS_MAX_SRC2_U64</td> |
| 997 | <td>8</td> |
| 998 | <td>DS_WRITE_SRC2_B64</td> |
| 999 | <td>20</td> |
| 1000 | </tr> |
| 1001 | <tr> |
| 1002 | <td>DS_MAX_U32</td> |
| 1003 | <td>8</td> |
| 1004 | <td>DS_WRXCHG2ST64_RTN_B32</td> |
| 1005 | <td>12</td> |
| 1006 | </tr> |
| 1007 | <tr> |
| 1008 | <td>DS_MAX_U64</td> |
| 1009 | <td>12</td> |
| 1010 | <td>DS_WRXCHG2ST64_RTN_B64</td> |
| 1011 | <td>20</td> |
| 1012 | </tr> |
| 1013 | <tr> |
| 1014 | <td>DS_MIN_F32</td> |
| 1015 | <td>8</td> |
| 1016 | <td>DS_WRXCHG2_RTN_B32</td> |
| 1017 | <td>12</td> |
| 1018 | </tr> |
| 1019 | <tr> |
| 1020 | <td>DS_MIN_F64</td> |
| 1021 | <td>12</td> |
| 1022 | <td>DS_WRXCHG2_RTN_B64</td> |
| 1023 | <td>20</td> |
| 1024 | </tr> |
| 1025 | <tr> |
| 1026 | <td>DS_MIN_I32</td> |
| 1027 | <td>8</td> |
| 1028 | <td>DS_WRXCHG_RTN_B32</td> |
| 1029 | <td>8</td> |
| 1030 | </tr> |
| 1031 | <tr> |
| 1032 | <td>DS_MIN_I64</td> |
| 1033 | <td>12</td> |
| 1034 | <td>DS_WRXCHG_RTN_B64</td> |
| 1035 | <td>12</td> |
| 1036 | </tr> |
| 1037 | <tr> |
| 1038 | <td>DS_MIN_RTN_F32</td> |
| 1039 | <td>8</td> |
| 1040 | <td>DS_XOR_B32</td> |
| 1041 | <td>8</td> |
| 1042 | </tr> |
| 1043 | <tr> |
| 1044 | <td>DS_MIN_RTN_F64</td> |
| 1045 | <td>12</td> |
| 1046 | <td>DS_XOR_B64</td> |
| 1047 | <td>12</td> |
| 1048 | </tr> |
| 1049 | <tr> |
| 1050 | <td>DS_MIN_RTN_I32</td> |
| 1051 | <td>8</td> |
| 1052 | <td>DS_XOR_RTN_B32</td> |
| 1053 | <td>8</td> |
| 1054 | </tr> |
| 1055 | <tr> |
| 1056 | <td>DS_MIN_RTN_I64</td> |
| 1057 | <td>12</td> |
| 1058 | <td>DS_XOR_RTN_B64</td> |
| 1059 | <td>12</td> |
| 1060 | </tr> |
| 1061 | <tr> |
| 1062 | <td>DS_MIN_RTN_U32</td> |
| 1063 | <td>8</td> |
| 1064 | <td>DS_XOR_SRC2_B32</td> |
| 1065 | <td>4</td> |
| 1066 | </tr> |
| 1067 | <tr> |
| 1068 | <td>DS_MIN_RTN_U64</td> |
| 1069 | <td>12</td> |
| 1070 | <td>DS_XOR_SRC2_B64</td> |
| 1071 | <td>8</td> |
| 1072 | </tr> |
| 1073 | </tbody> |
| 1074 | </table> |