Comparison of jit summary before and after py3.7-cpyext-unroll-a-bit 1f4c96de61ee

gistfile1.txt

BEFORE                                                   AFTER
[4e2f663bd9fe8] {jit-summary                                 [4e2d5889878b8] {jit-summary
Tracing:      	86	0.100334                                Tracing:      	78	0.113238
Backend:      	74	0.031218                                Backend:      	66	0.032329
TOTAL:      		1.515222                                 TOTAL:      		1.509000
ops:             	124400                                  ops:             	123038
heapcached ops:  	78660                                   heapcached ops:  	79768
recorded ops:    	39196                                   recorded ops:    	40168
  calls:         	6160                                      calls:         	5844
guards:          	9656                                    guards:          	10059
opt ops:         	12887                                   opt ops:         	13033
opt guards:      	3289                                    opt guards:      	3415
opt guards shared:	1905                                   opt guards shared:	1942
forcings:        	0                                       forcings:        	0
abort: trace too long:	0                                  abort: trace too long:	0
abort: compiling:	0                                       abort: compiling:	0
abort: vable escape:	10                                   abort: vable escape:	10
abort: bad loop: 	0                                       abort: bad loop: 	0
abort: force quasi-immut:	2                                abort: force quasi-immut:	2
nvirtuals:       	15798                                   nvirtuals:       	22346
nvholes:         	9318                                    nvholes:         	13795
nvreused:        	5274                                    nvreused:        	7065
vecopt tried:    	0                                       vecopt tried:    	0
vecopt success:  	0                                       vecopt success:  	0
Total # of loops:	38                                      Total # of loops:	33
Total # of bridges:	37                                    Total # of bridges:	34
Freed # of loops:	6                                       Freed # of loops:	3
Freed # of bridges:	4                                     Freed # of bridges:	2
[4e2f663be4128] jit-summary}                                 [4e2d588991f70] jit-summary}

test.py

import numpy as np
import time
try:
    import __pypy__
except ImportError:
    __pypy__ = None

if __pypy__:
    __pypy__.debug_start('jit-log-opt-funny')
    __pypy__.debug_print('done importing')
    __pypy__.debug_stop('jit-log-opt-funny')

def main():
    a = np.array([], dtype=float, ndmin=3)
    for i in range(10_000):
        b = np.median(a)
        if not np.isnan(b):
            import pdb;pdb.set_trace()

if __name__ == '__main__':
    t1 = time.time()
    main()
    t2 = time.time()
    print('time', t2 - t1)


# Run with PYPYLOG=jit-log-opt,jit-summary,jit-backend-count:out pypy3 ...