Fibonacci Flame Graph
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$global::process_main (2,903,180 samples, 2.62%)
$g..
$global::process_main (3,389,542 samples, 3.06%)
$gl..
index_get (79,959 samples, 0.07%)
erts_thr_progress_active (158,235 samples, 0.14%)
$global::process_main (3,166,404 samples, 2.86%)
$g..
binary_match (75,328 samples, 0.07%)
$Elixir.SlowServerWeb.ApiController:fib/2 (34,836,977 samples, 31.43%)
$Elixir.SlowServerWeb.ApiController:fib/2
$global::garbage_collect (75,649 samples, 0.07%)
garbage_collect (75,649 samples, 0.07%)
handle_aux_work (69,237 samples, 0.06%)
get_os_drift_corrected_time (43,060 samples, 0.04%)
$telemetry:-execute/3-fun-0-/4 (156,463 samples, 0.14%)
reply_alloc_info (40,936 samples, 0.04%)
$gen_server:handle_msg/6 (501,858 samples, 0.45%)
atom_hash (20,468 samples, 0.02%)
erts_alcu_alloc_thr_spec (83,967 samples, 0.08%)
$telemetry:-execute/3-fun-0-/4 (73,782 samples, 0.07%)
all (110,825,697 samples, 100%)
do_minor (82,038 samples, 0.07%)
$global::garbage_collect (82,038 samples, 0.07%)
erts_atom_put_index (180,819 samples, 0.16%)
erts_port_output (156,590 samples, 0.14%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
do_minor (74,154 samples, 0.07%)
$telemetry_poller:handle_info/2 (613,107 samples, 0.55%)
erts_schedule (3,389,542 samples, 3.06%)
ert..
$Elixir.SlowServer.Fibonacci:fib/1 (1,420,816 samples, 1.28%)
$telemetry_poller:-make_measurements_and_filter_misbehaving/1-lc$^0/1-0-/1 (613,107 samples, 0.55%)
$calendar:day_to_year/1 (156,463 samples, 0.14%)
subtract_continue (82,893 samples, 0.07%)
erts_atom_put_index (79,959 samples, 0.07%)
erts_bld_cons (82,893 samples, 0.07%)
[unknown] (41,345 samples, 0.04%)
sz_info_fix (71,809 samples, 0.06%)
$cowboy_http:after_parse/1 (71,001 samples, 0.06%)
$lists:foreach_1/2 (156,463 samples, 0.14%)
$proc_lib:init_p_do_apply/3 (36,721,326 samples, 33.13%)
$proc_lib:init_p_do_apply/3
erts_alcu_alloc_thr_pref (90,320 samples, 0.08%)
node_1 (83,967 samples, 0.08%)
$cowboy_handler:execute/2 (35,446,443 samples, 31.98%)
$cowboy_handler:execute/2
$global::call_light_bif_shared (82,893 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (755,539 samples, 0.68%)
erts_bump_timers (83,707 samples, 0.08%)
erts_schedule (1,714,273 samples, 1.55%)
full_sweep_heaps.constprop.0.isra.0 (69,424 samples, 0.06%)
$calendar:gregorian_days_to_date/1 (156,463 samples, 0.14%)
erts_get_monotonic_time (94,743 samples, 0.09%)
clock_gettime@@GLIBC_2.17 (94,743 samples, 0.09%)
reply_alloc_info (72,603 samples, 0.07%)
erts_get_monotonic_time (222,585 samples, 0.20%)
$global::i_bif_body_shared (76,111 samples, 0.07%)
erts_gc_update_map_assoc (69,424 samples, 0.06%)
$Elixir.Plug.Parsers:reduce/8 (77,855 samples, 0.07%)
new_binary (77,855 samples, 0.07%)
$ranch_conns_sup:loop/4 (83,967 samples, 0.08%)
$gen_event:server_notify/4 (75,649 samples, 0.07%)
mbc_alloc (72,603 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
$Elixir.SlowServer.Fibonacci:fib/1 (7,200,196 samples, 6.50%)
$Elixir...
$cowboy_stream_h:execute/3 (35,515,867 samples, 32.05%)
$cowboy_stream_h:execute/3
erts_bld_tuple (70,594 samples, 0.06%)
__GI___pthread_mutex_unlock_usercnt (71,001 samples, 0.06%)
$erlang:port_control/3 (83,967 samples, 0.08%)
$cowboy_metrics_h:init/3 (71,001 samples, 0.06%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
$cowboy_stream_h:request_process/3 (35,515,867 samples, 32.05%)
$cowboy_stream_h:request_process/3
erts_schedule (49,206,635 samples, 44.40%)
erts_schedule
$prim_inet:accept_opts/3 (83,967 samples, 0.08%)
$Elixir.Plug.Conn:register_before_send/2 (76,111 samples, 0.07%)
hash_get (79,959 samples, 0.07%)
garbage_collect (150,741 samples, 0.14%)
$cowboy_http:loop/1 (235,988 samples, 0.21%)
$cowboy_http:parse/2 (154,510 samples, 0.14%)
aoff_get_free_block (90,320 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
scheduler_wait (2,901,849 samples, 2.62%)
sc..
$Elixir.SlowServer.Fibonacci:fib/1 (292,142 samples, 0.26%)
$proc_lib:spawn_link/3 (71,001 samples, 0.06%)
get_map_element (72,472 samples, 0.07%)
$Elixir.Plug.Conn:validate_header_key_value!/2 (75,328 samples, 0.07%)
erts_sspa_remote_free (17,165 samples, 0.02%)
$Elixir.SlowServer.Fibonacci:fib/1 (31,626,811 samples, 28.54%)
$Elixir.SlowServer.Fibonacci:fib/1
$erts_beamasm:normal_exit/0 (613,107 samples, 0.55%)
$erlang:au_mem_current/3 (149,946 samples, 0.14%)
poll_thread (58,876 samples, 0.05%)
$cowboy_http:commands/3 (156,590 samples, 0.14%)
erts_thr_progress_leader_update (106,677 samples, 0.10%)
$global::call_light_bif_shared (83,967 samples, 0.08%)
erts_alcu_sz_info (69,237 samples, 0.06%)
erts_request_alloc_info (228,353 samples, 0.21%)
$Elixir.SlowServer.Fibonacci:fib/1 (106,021 samples, 0.10%)
erts_alcu_sz_info (71,809 samples, 0.06%)
$Elixir.SlowServer.Fibonacci:fib/1 (33,896,097 samples, 30.59%)
$Elixir.SlowServer.Fibonacci:fib/1
$global::process_main (1,509,389 samples, 1.36%)
reply_alloc_info (69,237 samples, 0.06%)
$Elixir.Plug.Telemetry:call/2 (73,782 samples, 0.07%)
$erlang:aa_mem_data/2 (71,956 samples, 0.06%)
erts_alcu_sz_info (20,468 samples, 0.02%)
rwmutex_freqread_rlock (79,240 samples, 0.07%)
handle_aux_work (180,819 samples, 0.16%)
scheduler_wait (3,165,083 samples, 2.86%)
sc..
$Elixir.Plug.Parsers.JSON:parse/5 (77,855 samples, 0.07%)
$gen_event:server_notify/4 (75,649 samples, 0.07%)
db_put_hash (249,017 samples, 0.22%)
0_poller (58,876 samples, 0.05%)
6_scheduler (86,641,581 samples, 78.18%)
6_scheduler
erts_alcu_mseg_dealloc (75,328 samples, 0.07%)
clock_gettime@@GLIBC_2.17 (222,585 samples, 0.20%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,681,640 samples, 31.29%)
$Elixir.SlowServer.Fibonacci:fib/1
ets_insert_2 (249,017 samples, 0.22%)
subtract.constprop.0 (82,893 samples, 0.07%)
epoll_wait (12,791 samples, 0.01%)
$Elixir.Plug.Conn:send_resp/1 (156,463 samples, 0.14%)
reply_alloc_info (74,583 samples, 0.07%)
index_get (20,468 samples, 0.02%)
garbage_collect (69,424 samples, 0.06%)
erts_thr_progress_prepare_wait (72,603 samples, 0.07%)
$gen_server:loop/7 (82,486 samples, 0.07%)
reply_alloc_info (70,620 samples, 0.06%)
$logger_backend:call_handlers/3 (156,463 samples, 0.14%)
$gen_event:server_notify/4 (75,649 samples, 0.07%)
erts_poll_wait (11,217 samples, 0.01%)
$global::i_get_map_element_shared (72,472 samples, 0.07%)
erts_alcu_sz_info (74,583 samples, 0.07%)
thr_wrapper (58,876 samples, 0.05%)
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (304,046 samples, 0.27%)
sz_info_carriers.constprop.0 (70,594 samples, 0.06%)
$erlang:au_mem_data/1 (228,353 samples, 0.21%)
iolist_to_binary_1 (77,855 samples, 0.07%)
erts_allocated_areas (79,959 samples, 0.07%)
$calendar:system_time_to_local_time/2 (156,463 samples, 0.14%)
$global::call_light_bif_shared (228,353 samples, 0.21%)
$telemetry_poller:make_measurement/1 (613,107 samples, 0.55%)
$Elixir.Plug.Conn:run_before_send/2 (156,463 samples, 0.14%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
__sched_yield (15,259 samples, 0.01%)
rwmutex_freqread_rlock (82,343 samples, 0.07%)
$proc_lib:init_p_do_apply/3 (613,107 samples, 0.55%)
spawn_link_3 (71,001 samples, 0.06%)
$ranch_acceptor:loop/4 (83,967 samples, 0.08%)
$cowboy_http:request/3 (72,472 samples, 0.07%)
copy_struct_x (83,309 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (4,333,030 samples, 3.91%)
$Eli..
sched_yield@plt (81,847 samples, 0.07%)
beam_jit_remove_message (82,486 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (1,566,956 samples, 1.41%)
$prim_inet:ctl_cmd/3 (83,967 samples, 0.08%)
sched_yield@plt (73,535 samples, 0.07%)
erts_try_alloc_message_on_heap (72,603 samples, 0.07%)
__vdso_clock_gettime (94,743 samples, 0.09%)
$Elixir.SlowServer.Fibonacci:fib/1 (1,566,956 samples, 1.41%)
2_scheduler (2,904,869 samples, 2.62%)
2_..
$Elixir.SlowServerWeb.ApiController:action/2 (34,836,977 samples, 31.43%)
$Elixir.SlowServerWeb.ApiController:action/2
$Elixir.SlowServerWeb.ApiController:phoenix_controller_pipeline/2 (34,836,977 samples, 31.43%)
$Elixir.SlowServerWeb.ApiController:phoenix_contro..
__vdso_clock_gettime (73,651 samples, 0.07%)
pthread_mutex_lock@@GLIBC_2.2.5 (179,703 samples, 0.16%)
$Elixir.Plug.Cowboy.Handler:init/2 (35,446,443 samples, 31.98%)
$Elixir.Plug.Cowboy.Handler:init/2
erts_garbage_collect_nobump (82,038 samples, 0.07%)
$proc_lib:get_my_name/0 (83,967 samples, 0.08%)
erts_alcu_alloc_thr_pref (75,649 samples, 0.07%)
scheduler_wait (1,509,389 samples, 1.36%)
$Elixir.Plug.Conn:merge_private/2 (77,812 samples, 0.07%)
erts_bs_append_checked (90,320 samples, 0.08%)
__GI___pthread_enable_asynccancel (17,545 samples, 0.02%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
$cowboy_clear:start_link/3 (83,967 samples, 0.08%)
erts_atom_put_index (20,468 samples, 0.02%)
mbc_alloc (75,649 samples, 0.07%)
$erlang:port_command/3 (156,590 samples, 0.14%)
$global::process_main (49,749,367 samples, 44.89%)
$global::process_main
$logger_backend:call_handlers/3 (73,782 samples, 0.07%)
$erlang:au_mem_data/2 (149,946 samples, 0.14%)
3_scheduler (3,204,478 samples, 2.89%)
3_..
$inet6_tcp:accept/2 (83,967 samples, 0.08%)
erts_atom_put (180,819 samples, 0.16%)
erts_schedule (7,492,129 samples, 6.76%)
erts_sche..
$Elixir.SlowServer.Fibonacci:fib/1 (5,921,278 samples, 5.34%)
$Elixi..
$calendar:gregorian_seconds_to_datetime/1 (156,463 samples, 0.14%)
erts_internal_port_command_3 (156,590 samples, 0.14%)
$global::process_main (3,204,478 samples, 2.89%)
$g..
$Elixir.SlowServerWeb.Endpoint:plug_builder_call/2 (35,289,980 samples, 31.84%)
$Elixir.SlowServerWeb.Endpoint:plug_builder_call/2
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (406,278 samples, 0.37%)
$cowboy_stream_h:init/3 (71,001 samples, 0.06%)
handle_aux_work (114,204 samples, 0.10%)
erts_atom_put (20,468 samples, 0.02%)
scheduler_wait (7,326,129 samples, 6.61%)
scheduler..
ethr_mutex_lock (106,117 samples, 0.10%)
$lists:foldl/3 (73,782 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (23,908,053 samples, 21.57%)
$Elixir.SlowServer.Fibonacci:fib/1
erts_thr_progress_wakeup (10,999 samples, 0.01%)
$Elixir.Logger.Handler:log/2 (156,463 samples, 0.14%)
$global::call_light_bif_shared (249,017 samples, 0.22%)
$prim_inet:send/3 (156,590 samples, 0.14%)
tw_bif_timer_timeout (83,707 samples, 0.08%)
erts_emasculate_writable_binary (83,309 samples, 0.08%)
misc_aux_work_clean (28,164 samples, 0.03%)
$Elixir.SlowServer.Fibonacci:fib/1 (2,575,133 samples, 2.32%)
$..
handle_aux_work (72,603 samples, 0.07%)
reply_alloc_info (180,819 samples, 0.16%)
$Elixir.SlowServer.Fibonacci:fib/1 (28,497,555 samples, 25.71%)
$Elixir.SlowServer.Fibonacci:fib/1
garbage_collect (82,038 samples, 0.07%)
realloc_thr_pref (83,309 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (105,434 samples, 0.10%)
mbc_alloc (90,320 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (105,981 samples, 0.10%)
$gen_server:try_dispatch/4 (613,107 samples, 0.55%)
[unknown] (83,828 samples, 0.08%)
erts_proc_sig_queue_try_enqueue_to_buffer (83,707 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,681,640 samples, 31.29%)
$Elixir.SlowServer.Fibonacci:fib/1
erts_alcu_free_thr_pref (75,328 samples, 0.07%)
aoff_link_free_block (75,649 samples, 0.07%)
sl_element_pre_free (17,165 samples, 0.02%)
erts_alcu_alloc_thr_pref (72,603 samples, 0.07%)
do_minor (75,649 samples, 0.07%)
$Elixir.SlowServerWeb.Endpoint:call/2 (35,289,980 samples, 31.84%)
$Elixir.SlowServerWeb.Endpoint:call/2
$lists:foreach_1/2 (73,782 samples, 0.07%)
scheduler_wait (3,389,542 samples, 3.06%)
sch..
5_scheduler (3,207,749 samples, 2.89%)
5_..
$cowboy_stream:init/3 (71,001 samples, 0.06%)
$Elixir.Plug.Conn:read_body/2 (77,855 samples, 0.07%)
handle_aux_work (70,594 samples, 0.06%)
handle_aux_work (74,583 samples, 0.07%)
$global::call_light_bif_shared (79,959 samples, 0.07%)
erts_check_io (10,349 samples, 0.01%)
pthread_getspecific@plt (9,798 samples, 0.01%)
erts_copy_one_frag (76,587 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
aoff_link_free_block (72,603 samples, 0.07%)
$proc_lib:proc_info/2 (83,967 samples, 0.08%)
erts_schedule (2,903,180 samples, 2.62%)
er..
erts_sspa_remote_free (25,317 samples, 0.02%)
db_store_term (83,309 samples, 0.08%)
__sched_yield (118,329 samples, 0.11%)
$global::process_main (1,714,273 samples, 1.55%)
erts_port_control (83,967 samples, 0.08%)
$global::call_light_bif_shared (71,001 samples, 0.06%)
$cowboy_clock:update_rfc1123/3 (172,789 samples, 0.16%)
$global::call_light_bif_shared (77,855 samples, 0.07%)
atom_hash (90,288 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
erts_alcu_sz_info (70,620 samples, 0.06%)
scheduler_wait (47,449,118 samples, 42.81%)
scheduler_wait
$Elixir.Plug.Cowboy.Conn:read_req_body/4 (77,855 samples, 0.07%)
$Elixir.Enum:-reduce/3-lists^foldl/2-0-/3 (156,463 samples, 0.14%)
erts_proc_unlock__.constprop.0 (223,145 samples, 0.20%)
rbt_insert (75,649 samples, 0.07%)
erts_alcu_sz_info (70,594 samples, 0.06%)
$global::call_light_bif_shared (156,590 samples, 0.14%)
erts_internal_port_control_3 (83,967 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (4,446,135 samples, 4.01%)
$Eli..
$erts_beamasm:normal_exit/0 (36,805,293 samples, 33.21%)
$erts_beamasm:normal_exit/0
erts_schedule (3,204,478 samples, 2.89%)
er..
$gen_server:try_dispatch/4 (501,858 samples, 0.45%)
erts_proc_lock__.constprop.1 (213,470 samples, 0.19%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,681,640 samples, 31.29%)
$Elixir.SlowServer.Fibonacci:fib/1
handle_aux_work (70,620 samples, 0.06%)
ethr_event_twait (79,510 samples, 0.07%)
7_scheduler (3,391,989 samples, 3.06%)
7_s..
erts_garbage_collect_nobump (150,741 samples, 0.14%)
erts_thr_progress_finalize_wait (75,733 samples, 0.07%)
$cowboy_stream:init/3 (71,001 samples, 0.06%)
[unknown] (86,921 samples, 0.08%)
$calendar:dty/5 (156,463 samples, 0.14%)
$global::call_light_bif_shared (75,328 samples, 0.07%)
8_scheduler (1,511,087 samples, 1.36%)
erts_mseg_dealloc_opt (75,328 samples, 0.07%)
erts_check_io (58,876 samples, 0.05%)
$Elixir.Plug.Telemetry:-call/2-fun-0-/4 (156,463 samples, 0.14%)
erts_find_export_entry (80,052 samples, 0.07%)
index_get (90,288 samples, 0.08%)
$Elixir.Plug.Static:call/2 (72,115 samples, 0.07%)
mbc_realloc.constprop.0 (83,309 samples, 0.08%)
$Elixir.SlowServer.Fibonacci:fib/1 (23,908,053 samples, 21.57%)
$Elixir.SlowServer.Fibonacci:fib/1
$cowboy_http:parse_request/3 (82,038 samples, 0.07%)
$global::process_main (7,492,129 samples, 6.76%)
$global::..
erts_find_export_entry (79,398 samples, 0.07%)
$telemetry_poller_builtin:memory/0 (613,107 samples, 0.55%)
$erlang:aa_mem_data/1 (79,959 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,321,101 samples, 30.97%)
$Elixir.SlowServer.Fibonacci:fib/1
1_scheduler (8,189,064 samples, 7.39%)
1_scheduler
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (256,472 samples, 0.23%)
erts_check_next_timeout_time (83,213 samples, 0.08%)
thr_prgr_wakeup (158,235 samples, 0.14%)
scheduler_wait (3,204,478 samples, 2.89%)
sc..
reply_alloc_info (228,353 samples, 0.21%)
erts_schedule (3,166,404 samples, 2.86%)
er..
erts_schedule (1,509,389 samples, 1.36%)
$Elixir.SlowServer.Fibonacci:fib/1 (2,722,978 samples, 2.46%)
$E..
rbt_delete (90,320 samples, 0.08%)
$Elixir.Phoenix.Router:__call__/5 (34,914,789 samples, 31.50%)
$Elixir.Phoenix.Router:__call__/5
$erlang:receive_emd/3 (149,946 samples, 0.14%)
rwmutex_freqread_rlock (39,662 samples, 0.04%)
$cowboy_clock:handle_info/2 (421,806 samples, 0.38%)
$Elixir.Logger.Utils:timestamp/2 (156,463 samples, 0.14%)
$Elixir.SlowServer.Fibonacci:fib/1 (10,472,847 samples, 9.45%)
$Elixir.SlowS..
[unknown] (58,876 samples, 0.05%)
eq (82,469 samples, 0.07%)
$global::update_map_assoc_shared (69,424 samples, 0.06%)
$gen_event:handle_msg/6 (75,649 samples, 0.07%)
scheduler_wait (1,640,738 samples, 1.48%)
$Elixir.SlowServer.Fibonacci:fib/1-CodeInfoPrologue (262,278 samples, 0.24%)
am_atom_put (79,959 samples, 0.07%)
system_info_1 (228,353 samples, 0.21%)
erts_get_monotonic_time (73,651 samples, 0.07%)
$erlang:memory/0 (613,107 samples, 0.55%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
erts_garbage_collect_nobump (75,649 samples, 0.07%)
4_scheduler (1,716,004 samples, 1.55%)
erts_queue_message (83,707 samples, 0.08%)
erts_garbage_collect (69,424 samples, 0.06%)
$Elixir.Plug.Conn:put_resp_header/3 (75,328 samples, 0.07%)
$gen_server:handle_msg/6 (613,107 samples, 0.55%)
reply_alloc_info (70,594 samples, 0.06%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,836,977 samples, 31.43%)
$Elixir.SlowServer.Fibonacci:fib/1
$Elixir.SlowServerWeb.ApiController:call/2 (77,812 samples, 0.07%)
$prim_inet:getopts/2 (83,967 samples, 0.08%)
erts_alcu_free_thr_pref (82,038 samples, 0.07%)
$cowboy_router:execute/2 (69,424 samples, 0.06%)
$proc_lib:spawn_link/3 (83,967 samples, 0.08%)
sz_info_fix (70,620 samples, 0.06%)
clean.constprop.0 (17,165 samples, 0.02%)
erts_proc_sig_move_msgs_to_heap (76,587 samples, 0.07%)
$Elixir.SlowServer.Fibonacci:fib/1 (34,574,883 samples, 31.20%)
$Elixir.SlowServer.Fibonacci:fib/1