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Delete dead code in memory space assignment

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PiperOrigin-RevId: 357239017
Change-Id: I0db7ea18c4580dfef833a30bbccd0bba6f71dcb9
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A. Unique TensorFlower 2021-02-12 11:58:35 -08:00 committed by TensorFlower Gardener
parent e9ce368a53
commit 048e5baef9
2 changed files with 0 additions and 12 deletions
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6
tensorflow/compiler/xla/service/memory_space_assignment.cc
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@ -254,12 +254,6 @@ float MemorySpaceAssignmentCostAnalysis::GetInstructionElapsedDueToCompute(
cost_analysis_.per_second_rate(HloCostAnalysis::kTranscendentalsKey)); cost_analysis_.per_second_rate(HloCostAnalysis::kTranscendentalsKey));
} }
float MemorySpaceAssignmentCostAnalysis::
GetInstructionElapsedDueToMemorySlowdown(int64 bytes) const {
return bytes /
cost_analysis_.per_second_rate(HloCostAnalysis::kBytesAccessedKey);
}
float MemorySpaceAssignmentCostAnalysis::GetInstructionElapsedDueToMemory( float MemorySpaceAssignmentCostAnalysis::GetInstructionElapsedDueToMemory(
const HloInstruction& instruction, const HloInstruction& instruction,
absl::optional<int64> operand_in_alternate_mem, absl::optional<int64> operand_in_alternate_mem,

6
tensorflow/compiler/xla/service/memory_space_assignment.h
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@ -123,12 +123,6 @@ class MemorySpaceAssignmentCostAnalysis {
absl::optional<int64> operand_in_alternate_mem = absl::nullopt, absl::optional<int64> operand_in_alternate_mem = absl::nullopt,
bool output_in_alternate_mem = false) const; bool output_in_alternate_mem = false) const;
// Returns the elapsed time in seconds that other BufferIntervals are slowed
// down, due to the prefetching of current bytes. Assuming other
// BufferIntervals needs default memory bandwidth, and only current
// BufferInterval is prefetched.
float GetInstructionElapsedDueToMemorySlowdown(int64 bytes) const;
// Returns the estimated elapsed duration of the instruction in seconds. It // Returns the estimated elapsed duration of the instruction in seconds. It
// assumes all operands and outputs of the instruction are in the default // assumes all operands and outputs of the instruction are in the default
// memory. // memory.