From 45bcbe46d75a4a7ca604119e9345fdfae3780960 Mon Sep 17 00:00:00 2001 From: Tony Date: Tue, 3 Nov 2020 02:14:45 +0000 Subject: [PATCH] [NFC][AMDGPU] Minor editorial improvements to AMDGPUUsage.rst Differential Revision: https://reviews.llvm.org/D90661 --- llvm/docs/AMDGPUUsage.rst | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/llvm/docs/AMDGPUUsage.rst b/llvm/docs/AMDGPUUsage.rst index 9d8dc1d..fd3bf9c 100644 --- a/llvm/docs/AMDGPUUsage.rst +++ b/llvm/docs/AMDGPUUsage.rst @@ -4328,7 +4328,7 @@ For GFX6-GFX9: Scalar memory operations are only used to access memory that is proven to not change during the execution of the kernel dispatch. This includes constant -address space and global address space for program scope const variables. +address space and global address space for program scope ``const`` variables. Therefore, the kernel machine code does not have to maintain the scalar cache to ensure it is coherent with the vector caches. The scalar and vector caches are invalidated between kernel dispatches by CP since constant address space data @@ -4402,8 +4402,7 @@ in table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx6-gfx9-table`. ------------------------------------------------------------------------------------ load atomic unordered *any* *any* *Same as non-atomic*. store atomic unordered *any* *any* *Same as non-atomic*. - atomicrmw unordered *any* *any* *Same as monotonic - atomic*. + atomicrmw unordered *any* *any* *Same as monotonic atomic*. **Monotonic Atomic** ------------------------------------------------------------------------------------ load atomic monotonic - singlethread - global 1. buffer/global/ds/flat_load @@ -5581,7 +5580,7 @@ For GFX10: Scalar memory operations are only used to access memory that is proven to not change during the execution of the kernel dispatch. This includes constant -address space and global address space for program scope const variables. +address space and global address space for program scope ``const`` variables. Therefore, the kernel machine code does not have to maintain the scalar cache to ensure it is coherent with the vector caches. The scalar and vector caches are invalidated between kernel dispatches by CP since constant address space data @@ -5675,8 +5674,7 @@ table :ref:`amdgpu-amdhsa-memory-model-code-sequences-gfx10-table`. ------------------------------------------------------------------------------------ load atomic unordered *any* *any* *Same as non-atomic*. store atomic unordered *any* *any* *Same as non-atomic*. - atomicrmw unordered *any* *any* *Same as monotonic - atomic*. + atomicrmw unordered *any* *any* *Same as monotonic atomic*. **Monotonic Atomic** ------------------------------------------------------------------------------------ load atomic monotonic - singlethread - global 1. buffer/global/flat_load -- 2.7.4