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Question

__faststorefence over _ReadWriteBarrier

score 141 · Answer 1 · 2023-12-09T16:24:34.900000

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141

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__faststorefence over _ReadWriteBarrier

141 views Asked by daniel At 09 December 2023 at 16:24

score 122 · Answer 2 · 2023-11-24T14:00:26.930000

The overhead-free monitor codes in the AMD CPU significantly increases the total synchronization duration

122 views Asked by foool At 24 November 2023 at 14:00

score 83 · Answer 3 · 2023-11-05T08:43:14.730000

rdtsc delta to nanosecond conversion

83 views Asked by Hedgehog At 05 November 2023 at 08:43

score 110 · Answer 4 · 2023-11-04T15:13:31.820000

What am I doing wrong in measuring execution time using RDTSC and CPUID instructions?

110 views Asked by Kudor At 04 November 2023 at 15:13

score 141 · Answer 5 · 2023-11-04T12:58:05.647000

My GCC __rdtsc() method of calculating clock cycles returns me a totally different result than Microsoft inline assembly rdtsc

141 views Asked by Kudor At 04 November 2023 at 12:58

score 195 · Answer 6 · 2023-10-25T16:52:04.133000

Using rte_rdtsc() function for accurate time calculations

195 views Asked by hamidi At 25 October 2023 at 16:52

score 164 · Answer 7 · 2023-08-15T06:29:06.757000

Clang optimizes out RDTSC asm blocks thinking the repeated block yields the same as the previous block. Is this legal?

164 views Asked by sandthorn At 15 August 2023 at 06:29

score 142 · Answer 8 · 2023-06-15T09:16:28.880000

how to use `__rdtsc` properly in linux x86 gcc

142 views Asked by doraemon At 15 June 2023 at 09:16

score 171 · Answer 9 · 2023-04-23T22:27:13.740000

rdtsc under WSL2 lacks nonstop_tsc?

171 views Asked by Joseph Garvin At 23 April 2023 at 22:27

score 331 · Answer 10 · 2023-04-20T11:46:12.840000

Best practice of using __rdtsc

331 views Asked by chenzhongpu At 20 April 2023 at 11:46

score 43 · Answer 11 · 2023-04-15T19:46:30.567000

Why aren't mfence;RDTSCP timings closer to equal across repeated calls after warm-up? +-2% variation over ~3300 TSC counts

43 views Asked by user1752563 At 15 April 2023 at 19:46

score 259 · Answer 12 · 2023-03-03T13:16:18.883000

Configure qemu KVM-SVM to not emulate rdtscp and get valid timestamp

259 views Asked by cryptobeginner At 03 March 2023 at 13:16

score 223 · Answer 13 · 2023-02-27T16:39:53.103000

what is the C++ equivalent for this assembly code

223 views Asked by maor03 At 27 February 2023 at 16:39

score 654 · Answer 14 · 2022-11-21T00:37:24.970000

How to measure the ACTUAL number of clock cycles elapsed on modern x86?

654 views Asked by user541686 At 21 November 2022 at 00:37

score 668 · Answer 15 · 2022-10-10T17:06:52.827000

Is there any way to fake __rdtsc on Windows

668 views Asked by ayya At 10 October 2022 at 17:06

score 107 · Answer 16 · 2022-05-16T13:33:46.043000

C# executable (get rdtsc timestamp) crashes intermittently

107 views Asked by Eduard Rostomyan At 16 May 2022 at 13:33

score 869 · Answer 17 · 2022-03-21T14:33:16.893000

How stable / constant is the timestamp counter (RDTSC) with temperature and over time?

869 views Asked by Bonita Montero At 21 March 2022 at 14:33

score 608 · Answer 18 · 2022-01-25T09:52:05.037000

How to stop VC++ compiler from reordering code?

608 views Asked by Soonts At 25 January 2022 at 09:52

score 235 · Answer 19 · 2021-11-23T01:31:51.053000

In a busy loop, two continuously getting time encounters a big time gap

235 views Asked by foool At 23 November 2021 at 01:31

score 138 · Answer 20 · 2021-09-28T04:24:00.660000

Calling cpuid before rdtsc to prevent out of order?

138 views Asked by MitandGrit At 28 September 2021 at 04:24

TechQA.

List Question

__faststorefence over _ReadWriteBarrier

The overhead-free monitor codes in the AMD CPU significantly increases the total synchronization duration

rdtsc delta to nanosecond conversion

What am I doing wrong in measuring execution time using RDTSC and CPUID instructions?

My GCC __rdtsc() method of calculating clock cycles returns me a totally different result than Microsoft inline assembly rdtsc

Using rte_rdtsc() function for accurate time calculations

Clang optimizes out RDTSC asm blocks thinking the repeated block yields the same as the previous block. Is this legal?

how to use `__rdtsc` properly in linux x86 gcc

rdtsc under WSL2 lacks nonstop_tsc?

Best practice of using __rdtsc

Why aren't mfence;RDTSCP timings closer to equal across repeated calls after warm-up? +-2% variation over ~3300 TSC counts

Configure qemu KVM-SVM to not emulate rdtscp and get valid timestamp

what is the C++ equivalent for this assembly code

How to measure the ACTUAL number of clock cycles elapsed on modern x86?

Is there any way to fake __rdtsc on Windows

C# executable (get rdtsc timestamp) crashes intermittently

How stable / constant is the timestamp counter (RDTSC) with temperature and over time?

How to stop VC++ compiler from reordering code?

In a busy loop, two continuously getting time encounters a big time gap

Calling cpuid before rdtsc to prevent out of order?

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