From f9f10c977d6fed060d6e34eeea8715e27a335f08 Mon Sep 17 00:00:00 2001 From: lkcl Date: Wed, 26 Apr 2023 17:11:46 +0100 Subject: [PATCH] --- openpower/sv/vector_ops/discussion.mdwn | 50 +------------------------ 1 file changed, 1 insertion(+), 49 deletions(-) diff --git a/openpower/sv/vector_ops/discussion.mdwn b/openpower/sv/vector_ops/discussion.mdwn index 9cefacda9..c9c57e0b3 100644 --- a/openpower/sv/vector_ops/discussion.mdwn +++ b/openpower/sv/vector_ops/discussion.mdwn @@ -143,57 +143,9 @@ with the appropriate predication # conflictd -This is based on the AVX512 conflict detection instruction. Internally the logic is used to detect address conflicts in multi-issue LD/ST operations. Two arrays of values are given: the indices are compared and duplicates reported in a triangular fashion. the instruction may be used for histograms (computed in parallel) - - input = [100, 100, 3, 100, 5, 100, 100, 3] - conflict result = [ - 0b00000000, // Note: first element always zero - 0b00000001, // 100 is present on #0 - 0b00000000, - 0b00000011, // 100 is present on #0 and #1 - 0b00000000, - 0b00001011, // 100 is present on #0, #1, #3 - 0b00011011, // .. and #4 - 0b00000100 // 3 is present on #2 - ] - -Pseudocode: - - for i in range(VL): - for j in range(1, i): - if src1[i] == src2[j]: - result[j] |= 1< -* # iota -- 2.30.2