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Fix AllocatorConfig parse roundup division bug (#165304)

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* #165288
Pull Request resolved: https://github.com/pytorch/pytorch/pull/165304
Approved by: https://github.com/albanD
ghstack dependencies: #165288, #165289, #165291, #165298
This commit is contained in:
Yu, Guangye
2025-10-17 17:16:48 +00:00
committed by PyTorch MergeBot
parent 1ba808dd97
commit 1b121d636e
2 changed files with 6 additions and 5 deletions
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3
c10/core/AllocatorConfig.cpp
View File

@ -128,7 +128,8 @@ size_t AcceleratorAllocatorConfig::parseRoundUpPower2Divisions(
std::fill( std::fill(
std::next( std::next(
roundup_power2_divisions_.begin(), roundup_power2_divisions_.begin(),
static_cast<std::vector<size_t>::difference_type>(last_index)), static_cast<std::vector<size_t>::difference_type>(
last_index + 1)),
roundup_power2_divisions_.end(), roundup_power2_divisions_.end(),
value); value);
} else { } else {

8
c10/test/core/AllocatorConfig_test.cpp
View File

@ -67,8 +67,8 @@ TEST(AllocatorConfigTest, allocator_config_test) {
EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(128 * kMB), 2); EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(128 * kMB), 2);
EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(256 * kMB), 4); EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(256 * kMB), 4);
EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(512 * kMB), 2); EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(512 * kMB), 2);
// EXPECT_EQ( EXPECT_EQ(
// AcceleratorAllocatorConfig::roundup_power2_divisions(1024 * kMB), 4); AcceleratorAllocatorConfig::roundup_power2_divisions(1024 * kMB), 4);
EXPECT_EQ( EXPECT_EQ(
AcceleratorAllocatorConfig::roundup_power2_divisions(2048 * kMB), 1); AcceleratorAllocatorConfig::roundup_power2_divisions(2048 * kMB), 1);
EXPECT_EQ( EXPECT_EQ(
@ -101,8 +101,8 @@ TEST(AllocatorConfigTest, allocator_config_test) {
EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(512 * kMB), 1); EXPECT_EQ(AcceleratorAllocatorConfig::roundup_power2_divisions(512 * kMB), 1);
EXPECT_EQ( EXPECT_EQ(
AcceleratorAllocatorConfig::roundup_power2_divisions(1024 * kMB), 0); AcceleratorAllocatorConfig::roundup_power2_divisions(1024 * kMB), 0);
// EXPECT_EQ( EXPECT_EQ(
// AcceleratorAllocatorConfig::roundup_power2_divisions(2048 * kMB), 8); AcceleratorAllocatorConfig::roundup_power2_divisions(2048 * kMB), 8);
EXPECT_EQ( EXPECT_EQ(
AcceleratorAllocatorConfig::roundup_power2_divisions(4096 * kMB), 2); AcceleratorAllocatorConfig::roundup_power2_divisions(4096 * kMB), 2);