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ccdc9671eb
Summary:
Test data: 500kLOC of benchmark.yaml, 23Mb. (that is a subset of the actual uops benchmark i was trying to analyze!)
Old time: (D54382)
```
Performance counter stats for './bin/llvm-exegesis -mode=analysis -analysis-epsilon=100000 -benchmarks-file=/tmp/benchmarks.yaml -analysis-inconsistencies-output-file=/tmp/clusters.html' (16 runs):
9024.354355 task-clock (msec) # 1.000 CPUs utilized ( +- 0.18% )
...
9.0262 +- 0.0161 seconds time elapsed ( +- 0.18% )
```
New time:
```
Performance counter stats for './bin/llvm-exegesis -mode=analysis -analysis-epsilon=100000 -benchmarks-file=/tmp/benchmarks.yaml -analysis-inconsistencies-output-file=/tmp/clusters.html' (16 runs):
8996.541057 task-clock (msec) # 0.999 CPUs utilized ( +- 0.19% )
...
9.0045 +- 0.0172 seconds time elapsed ( +- 0.19% )
```
-~0.3%, not that much. But this isn't the important part.
Old:
* calls to allocation functions: 2109712
* temporary allocations: 33112
* bytes allocated in total (ignoring deallocations): 4.43 GB
New:
* calls to allocation functions: 2095345 (-0.68%)
* temporary allocations: 18745 (-43.39% !!!)
* bytes allocated in total (ignoring deallocations): 4.31 GB (-2.71%)
Reviewers: courbet, MaskRay, RKSimon, gchatelet, john.brawn
Reviewed By: courbet
Subscribers: tschuett, llvm-commits
Differential Revision: https://reviews.llvm.org/D54383
llvm-svn: 347199