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Add env var to toggle large bar support in runtime

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Use ROC_ENABLE_LARGE_BAR (0/1) to toggle. The support is
enabled by default.

Change-Id: I6cb93a46594cb6f5e90bf6057738330225efb553
This commit is contained in:
Saleel Kudchadker
2020-05-09 11:31:09 -07:00
parent b4f1239f34
commit d10d691e76
2 changed files with 6 additions and 4 deletions
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rocclr/device/rocm/rocdevice.cpp
+1 -1
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@@ -896,7 +896,7 @@ hsa_status_t Device::iterateGpuMemoryPoolCallback(hsa_amd_memory_pool_t pool, vo
if (tmp == HSA_AMD_MEMORY_POOL_ACCESS_NEVER_ALLOWED) {
dev->info_.largeBar_ = false;
} else {
dev->info_.largeBar_ = true;
dev->info_.largeBar_ = ROC_ENABLE_LARGE_BAR;
}
}
rocclr/utils/flags.hpp
+5 -3
View File
@@ -72,8 +72,6 @@ release(bool, GPU_FLUSH_ON_EXECUTION, false, \
"Submit commands to HW on every operation. 0 - Disable, 1 - Enable") \
release(bool, GPU_USE_SYNC_OBJECTS, true, \
"If enabled, use sync objects instead of polling") \
release(size_t, GPU_FORCE_BLIT_COPY_SIZE, 0, \
"Size in KB of the threshold below which to force blit instead for sdma") \
release(bool, CL_KHR_FP64, true, \
"Enable/Disable support for double precision") \
release(cstring, AMD_OCL_BUILD_OPTIONS, 0, \
@@ -233,7 +231,11 @@ release(uint, AMD_OPT_FLUSH, 1, \
"0x1 = Use device-scope fence operations when possible.") \
release(uint, HIP_HIDDEN_FREE_MEM, 0, \
"Reserve free mem reporting in Mb" \
"0 = Disable")
"0 = Disable") \
release(size_t, GPU_FORCE_BLIT_COPY_SIZE, 0, \
"Size in KB of the threshold below which to force blit instead for sdma") \
release(bool, ROC_ENABLE_LARGE_BAR, true, \
"Enable Large Bar if supported by the device")
namespace amd {