[DNM] Always use a normal segment for first SegmentArena segment

[gabrielbosio]

Clone of #1845

[github-actions]

**Hyper Thereading Benchmark results**




hyperfine -r 2 -n "hyper_threading_main threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_main' -n "hyper_threading_pr threads: 1" 'RAYON_NUM_THREADS=1 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 1
  Time (mean ± σ):     26.178 s ±  0.017 s    [User: 25.426 s, System: 0.750 s]
  Range (min … max):   26.166 s … 26.190 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 1
  Time (mean ± σ):     26.259 s ±  0.008 s    [User: 25.495 s, System: 0.761 s]
  Range (min … max):   26.254 s … 26.265 s    2 runs
 
Summary
  hyper_threading_main threads: 1 ran
    1.00 ± 0.00 times faster than hyper_threading_pr threads: 1




hyperfine -r 2 -n "hyper_threading_main threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_main' -n "hyper_threading_pr threads: 2" 'RAYON_NUM_THREADS=2 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 2
  Time (mean ± σ):     14.555 s ±  0.075 s    [User: 25.576 s, System: 0.768 s]
  Range (min … max):   14.502 s … 14.608 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 2
  Time (mean ± σ):     14.607 s ±  0.006 s    [User: 25.619 s, System: 0.798 s]
  Range (min … max):   14.603 s … 14.612 s    2 runs
 
Summary
  hyper_threading_main threads: 2 ran
    1.00 ± 0.01 times faster than hyper_threading_pr threads: 2




hyperfine -r 2 -n "hyper_threading_main threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_main' -n "hyper_threading_pr threads: 4" 'RAYON_NUM_THREADS=4 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 4
  Time (mean ± σ):     10.490 s ±  0.386 s    [User: 37.807 s, System: 0.951 s]
  Range (min … max):   10.217 s … 10.763 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 4
  Time (mean ± σ):     10.376 s ±  0.069 s    [User: 37.659 s, System: 0.910 s]
  Range (min … max):   10.328 s … 10.425 s    2 runs
 
Summary
  hyper_threading_pr threads: 4 ran
    1.01 ± 0.04 times faster than hyper_threading_main threads: 4




hyperfine -r 2 -n "hyper_threading_main threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_main' -n "hyper_threading_pr threads: 6" 'RAYON_NUM_THREADS=6 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 6
  Time (mean ± σ):     10.448 s ±  0.044 s    [User: 38.237 s, System: 0.953 s]
  Range (min … max):   10.417 s … 10.479 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 6
  Time (mean ± σ):     10.444 s ±  0.461 s    [User: 38.028 s, System: 0.893 s]
  Range (min … max):   10.118 s … 10.769 s    2 runs
 
Summary
  hyper_threading_pr threads: 6 ran
    1.00 ± 0.04 times faster than hyper_threading_main threads: 6




hyperfine -r 2 -n "hyper_threading_main threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_main' -n "hyper_threading_pr threads: 8" 'RAYON_NUM_THREADS=8 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 8
  Time (mean ± σ):     10.200 s ±  0.139 s    [User: 38.433 s, System: 0.924 s]
  Range (min … max):   10.102 s … 10.298 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 8
  Time (mean ± σ):     10.284 s ±  0.094 s    [User: 38.287 s, System: 0.925 s]
  Range (min … max):   10.217 s … 10.351 s    2 runs
 
Summary
  hyper_threading_main threads: 8 ran
    1.01 ± 0.02 times faster than hyper_threading_pr threads: 8




hyperfine -r 2 -n "hyper_threading_main threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_main' -n "hyper_threading_pr threads: 16" 'RAYON_NUM_THREADS=16 ./hyper_threading_pr'
Benchmark 1: hyper_threading_main threads: 16
  Time (mean ± σ):     10.358 s ±  0.041 s    [User: 38.661 s, System: 1.079 s]
  Range (min … max):   10.329 s … 10.387 s    2 runs
 
Benchmark 2: hyper_threading_pr threads: 16
  Time (mean ± σ):     10.199 s ±  0.048 s    [User: 38.721 s, System: 1.018 s]
  Range (min … max):   10.165 s … 10.233 s    2 runs
 
Summary
  hyper_threading_pr threads: 16 ran
    1.02 ± 0.01 times faster than hyper_threading_main threads: 16

[github-actions]

Benchmark Results for unmodified programs 🚀

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_factorial	2.094 ± 0.006	2.087	2.106	1.00
head big_factorial	2.108 ± 0.032	2.087	2.177	1.01 ± 0.02

Command	Mean [s]	Min [s]	Max [s]	Relative
base big_fibonacci	2.018 ± 0.004	2.011	2.024	1.00
head big_fibonacci	2.029 ± 0.012	2.020	2.061	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base blake2s_integration_benchmark	7.583 ± 0.118	7.474	7.783	1.02 ± 0.02
head blake2s_integration_benchmark	7.437 ± 0.077	7.353	7.629	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base compare_arrays_200000	2.159 ± 0.008	2.143	2.172	1.00 ± 0.01
head compare_arrays_200000	2.149 ± 0.013	2.121	2.168	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base dict_integration_benchmark	1.437 ± 0.011	1.426	1.458	1.00 ± 0.01
head dict_integration_benchmark	1.430 ± 0.006	1.424	1.442	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base field_arithmetic_get_square_benchmark	1.207 ± 0.003	1.202	1.212	1.00
head field_arithmetic_get_square_benchmark	1.207 ± 0.015	1.194	1.240	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base integration_builtins	7.557 ± 0.030	7.509	7.613	1.00
head integration_builtins	7.575 ± 0.084	7.488	7.742	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base keccak_integration_benchmark	7.826 ± 0.022	7.793	7.857	1.00 ± 0.00
head keccak_integration_benchmark	7.789 ± 0.029	7.732	7.829	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base linear_search	2.135 ± 0.013	2.118	2.162	1.00
head linear_search	2.152 ± 0.015	2.136	2.190	1.01 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_cmp_and_pow_integration_benchmark	1.525 ± 0.019	1.511	1.570	1.00 ± 0.01
head math_cmp_and_pow_integration_benchmark	1.518 ± 0.006	1.508	1.526	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base math_integration_benchmark	1.462 ± 0.005	1.455	1.468	1.00
head math_integration_benchmark	1.464 ± 0.009	1.450	1.480	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base memory_integration_benchmark	1.213 ± 0.002	1.210	1.216	1.00 ± 0.00
head memory_integration_benchmark	1.209 ± 0.003	1.204	1.214	1.00

Command	Mean [s]	Min [s]	Max [s]	Relative
base operations_with_data_structures_benchmarks	1.575 ± 0.007	1.567	1.587	1.00 ± 0.01
head operations_with_data_structures_benchmarks	1.574 ± 0.016	1.556	1.616	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base pedersen	533.7 ± 7.6	528.6	554.8	1.00 ± 0.01
head pedersen	532.9 ± 1.5	530.9	536.4	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base poseidon_integration_benchmark	630.4 ± 2.6	627.0	636.5	1.00
head poseidon_integration_benchmark	633.0 ± 7.3	628.0	653.2	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base secp_integration_benchmark	1.862 ± 0.009	1.853	1.884	1.01 ± 0.01
head secp_integration_benchmark	1.848 ± 0.006	1.841	1.857	1.00

Command	Mean [ms]	Min [ms]	Max [ms]	Relative
base set_integration_benchmark	660.0 ± 7.3	652.1	670.8	1.00
head set_integration_benchmark	661.5 ± 4.5	653.4	667.0	1.00 ± 0.01

Command	Mean [s]	Min [s]	Max [s]	Relative
base uint256_integration_benchmark	4.188 ± 0.024	4.158	4.219	1.01 ± 0.01
head uint256_integration_benchmark	4.146 ± 0.019	4.128	4.185	1.00

[codecov]

Codecov Report

Attention: Patch coverage is 65.51724% with 10 lines in your changes missing coverage. Please review.

Project coverage is 96.52%. Comparing base (82e465b) to head (e2f4a46).

Files with missing lines	Patch %	Lines
...t_processor/cairo_1_hint_processor/dict_manager.rs	56.52%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2029      +/-   ##
==========================================
- Coverage   96.54%   96.52%   -0.03%     
==========================================
  Files         102      102              
  Lines       42791    42819      +28     
==========================================
+ Hits        41312    41330      +18     
- Misses       1479     1489      +10     

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[gabrielbosio]

Closing to see if by opening another PR we can trigger the failing jobs correctly.