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late_init option

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Andreas Abel
2020-12-08 20:34:21 +01:00
parent a3def89d67
commit 6d9e1f9e85
8 changed files with 72 additions and 7 deletions
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@@ -101,6 +101,7 @@ We will now take a look behind the scenes at the code that *nanoBench* generates
save_regs
code_init
m1 = read_perf_ctrs // stores results in memory, does not modify registers
code_late_init
for j=0 to loop_count // this line is omitted if loop_count=0
code // (copy #1)
code // (copy #2)
@@ -130,9 +131,11 @@ Both `nanoBench.sh` and `kernel-nanoBench.sh` support the following command-line
|------------------------------|-------------|
| `-asm <code>` | Assembler code sequence (in Intel syntax) containing the code to be benchmarked. |
| `-asm_init <code>` | Assembler code sequence (in Intel syntax) that is executed once in the beginning of every benchmark run. |
| `-asm_late_init <code>` | Assembler code sequence (in Intel syntax) that is executed once immediately before the code to be benchmarked. |
| `-asm_one_time_init <code>` | Assembler code sequence (in Intel syntax) that is executed once before the first benchmark run. |
| `-code <filename>` | A binary file containing the code to be benchmarked as raw x86 machine code. *This option cannot be used together with `-asm`.* |
| `-code_init <filename>` | A binary file containing code to be executed once in the beginning of every benchmark run. *This option cannot be used together with `-asm_init`.* |
| `-code_late_init <filename>` | A binary file containing code to be executed once immediately before the code to be benchmarked. *This option cannot be used together with `-asm_late_init`.* |
| `-code_one_time_init <code>` | A binary file containing code to be executed once before the first benchmark run. *This option cannot be used together with `-asm_one_time_init`.*|
| `-config <file>` | File with performance counter event specifications. Details are described [below](#performance-counter-config-files). |
| `-n_measurements <n>` | Number of times the measurements are repeated. `[Default: n=10]` |