Removed support for NVIDIA CC 2.x devices (codename Fermi)

[alexxy/gromacs.git] / cmake / gmxManageNvccConfig.cmake

diff --git a/cmake/gmxManageNvccConfig.cmake b/cmake/gmxManageNvccConfig.cmake
index e82743df0c19ded51c4ef05da2b12d643f63a242..5704baaff32c09f663d799ee232fcae60859af77 100644 (file)
--- a/cmake/gmxManageNvccConfig.cmake
+++ b/cmake/gmxManageNvccConfig.cmake
@@ -98,13 +98,13 @@ if (GMX_CUDA_TARGET_SM OR GMX_CUDA_TARGET_COMPUTE)
 else()
     # Set the CUDA GPU architectures to compile for:
     # - with CUDA >=5.0 <6.5:   CC <=3.5 is supported
-    #     => compile sm_20, sm_30, sm_35 SASS, and compute_35 PTX
+    #     => compile sm_30, sm_35 SASS, and compute_35 PTX
     # - with CUDA ==6.5:        CC <=3.7 and 5.0 are supported
-    #     => compile sm_20, sm_30, sm_35, sm_37 sm_50, SASS, and compute_50 PTX
+    #     => compile sm_30, sm_35, sm_37 sm_50, SASS, and compute_50 PTX
     # - with CUDA >=7.0         CC 5.2 is supported (5.3, Tegra X1 we don't generate code for)
-    #     => compile sm_20, sm_30, sm_35, sm_37, sm_50, & sm_52 SASS, and compute_52 PTX
+    #     => compile sm_30, sm_35, sm_37, sm_50, & sm_52 SASS, and compute_52 PTX
     # - with CUDA >=8.0         CC 6.0-6.2 is supported (but we know nothing about CC 6.2, so we won't generate code or it)
-    #     => compile sm_20, sm_30, sm_35, sm_37, sm_50, sm_52, sm_60, sm_61 SASS, and compute_60 and compute_61 PTX
+    #     => compile sm_30, sm_35, sm_37, sm_50, sm_52, sm_60, sm_61 SASS, and compute_60 and compute_61 PTX
     # - with CUDA >=9.0         CC 7.0 is supported and CC 2.0 is no longer supported
     #     => compile sm_30, sm_35, sm_37, sm_50, sm_52, sm_60, sm_61, sm_70 SASS, and compute_70 PTX
     #
@@ -113,9 +113,6 @@ else()
     #   equally fast as compiling with sm_5.2 anyway.
 
     # First add flags that trigger SASS (binary) code generation for physical arch
-    if(CUDA_VERSION VERSION_LESS "9.00") # < 9.0
-        list (APPEND GMX_CUDA_NVCC_GENCODE_FLAGS "-gencode;arch=compute_20,code=sm_20")
-    endif()
     list (APPEND GMX_CUDA_NVCC_GENCODE_FLAGS "-gencode;arch=compute_30,code=sm_30")
     list (APPEND GMX_CUDA_NVCC_GENCODE_FLAGS "-gencode;arch=compute_35,code=sm_35")
 
@@ -162,10 +159,6 @@ endif()
 # assemble the CUDA flags
 list(APPEND GMX_CUDA_NVCC_FLAGS "${GMX_CUDA_NVCC_GENCODE_FLAGS}")
 list(APPEND GMX_CUDA_NVCC_FLAGS "-use_fast_math")
-if (CUDA_VERSION VERSION_EQUAL "8.0")
-    # requesting sm_20 triggers deprecation messages with nvcc 8.0 which we better avoid
-    list(APPEND GMX_CUDA_NVCC_FLAGS "-Wno-deprecated-gpu-targets")
-endif()
 
 # assemble the CUDA host compiler flags
 list(APPEND GMX_CUDA_NVCC_FLAGS "${CUDA_HOST_COMPILER_OPTIONS}")