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day-3.log
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day-3.log
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ps aux | wc -l
351
practical-go/code on znga [!] via go v1.19
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 39 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 12
On-line CPU(s) list: 0-11
Vendor ID: GenuineIntel
Model name: 12th Gen Intel(R) Core(TM) i7-1255U
CPU family: 6
Model: 154
Thread(s) per core: 2
Core(s) per socket: 10
Socket(s): 1
Stepping: 4
CPU(s) scaling MHz: 83%
CPU max MHz: 4700.0000
CPU min MHz: 400.0000
BogoMIPS: 5224.00
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht
tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc
cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pc
id sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpui
d_fault epb cat_l2 invpcid_single cdp_l2 ssbd ibrs ibpb stibp ibrs_enhanced fsgsbase tsc_adjust bmi1 avx2 smep b
mi2 erms invpcid rdt_a rdseed adx smap clflushopt clwb intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves split_lock
_detect avx_vnni dtherm arat pln pts hwp hwp_notify hwp_act_window hwp_epp hwp_pkg_req hfi umip pku ospke waitpk
g gfni vaes vpclmulqdq rdpid movdiri movdir64b fsrm md_clear serialize arch_lbr ibt flush_l1d arch_capabilities
Caches (sum of all):
L1d: 352 KiB (10 instances)
L1i: 576 KiB (10 instances)
L2: 6.5 MiB (4 instances)
L3: 12 MiB (1 instance)
NUMA:
NUMA node(s): 1
NUMA node0 CPU(s): 0-11
Vulnerabilities:
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Spectre v2: Mitigation; Enhanced IBRS, IBPB conditional, RSB filling, PBRSB-eIBRS SW sequence
Srbds: Not affected
Tsx async abort: Not affected
practical-go/code on znga [!] via go v1.19
$
practical-go/code on znga [!?] via go v1.19
$ cd go_chan
practical-go/code/go_chan on znga [!?] via go v1.19
$ go build -gcflags=-m
# znga/go_chan
./go_chan.go:41:14: inlining call to fmt.Println
./go_chan.go:43:13: inlining call to fmt.Println
./go_chan.go:10:13: inlining call to fmt.Println
./go_chan.go:15:6: can inline main.func1
./go_chan.go:16:15: inlining call to fmt.Println
./go_chan.go:41:14: ... argument does not escape
./go_chan.go:41:15: "inner" escapes to heap
./go_chan.go:41:15: n escapes to heap
./go_chan.go:43:13: ... argument does not escape
./go_chan.go:43:14: "outer" escapes to heap
./go_chan.go:43:14: n escapes to heap
./go_chan.go:9:17: "goroutine" escapes to heap
./go_chan.go:9:16: ... argument does not escape
./go_chan.go:10:13: ... argument does not escape
./go_chan.go:10:14: "main" escapes to heap
./go_chan.go:15:6: func literal escapes to heap
./go_chan.go:16:15: ... argument does not escape
./go_chan.go:16:15: i escapes to heap
practical-go/code/go_chan on znga [!?] via go v1.19
$ go build -gcflags=-m
# znga/go_chan
./go_chan.go:41:14: inlining call to fmt.Println
./go_chan.go:43:13: inlining call to fmt.Println
./go_chan.go:10:13: inlining call to fmt.Println
./go_chan.go:15:6: can inline main.func1
./go_chan.go:16:15: inlining call to fmt.Println
./go_chan.go:41:14: ... argument does not escape
./go_chan.go:41:15: "inner" escapes to heap
./go_chan.go:41:15: n escapes to heap
./go_chan.go:43:13: ... argument does not escape
./go_chan.go:43:14: "outer" escapes to heap
./go_chan.go:43:14: n escapes to heap
./go_chan.go:9:17: "goroutine" escapes to heap
./go_chan.go:9:16: ... argument does not escape
./go_chan.go:10:13: ... argument does not escape
./go_chan.go:10:14: "main" escapes to heap
./go_chan.go:15:6: func literal escapes to heap
./go_chan.go:16:15: ... argument does not escape
./go_chan.go:16:15: i escapes to heap
practical-go/code/go_chan on znga [!?] via go v1.19
$ go clean
practical-go/code/go_chan on znga [!?] via go v1.19
❮ go build -gcflags=-m
# znga/go_chan
./go_chan.go:42:14: inlining call to fmt.Println
./go_chan.go:44:13: inlining call to fmt.Println
./go_chan.go:10:13: inlining call to fmt.Println
./go_chan.go:15:6: can inline main.func1
./go_chan.go:42:14: ... argument does not escape
./go_chan.go:42:15: "inner" escapes to heap
./go_chan.go:42:15: n escapes to heap
./go_chan.go:44:13: ... argument does not escape
./go_chan.go:44:14: "outer" escapes to heap
./go_chan.go:44:14: n escapes to heap
./go_chan.go:14:3: moved to heap: i
./go_chan.go:9:17: "goroutine" escapes to heap
./go_chan.go:9:16: ... argument does not escape
./go_chan.go:10:13: ... argument does not escape
./go_chan.go:10:14: "main" escapes to heap
./go_chan.go:15:6: func literal escapes to heap
practical-go/code/go_chan on znga [!?] via go v1.19
$ go clean
practical-go/code/go_chan on znga [!?] via go v1.19
$ bash sleep_sort.sh 2 3 1
1
2
3
practical-go/code/go_chan on znga [!?] via go v1.19 took 3s
$ cd ..
practical-go/code on znga [!?] via go v1.19
$ cp ../data/taxi_check.go taxi
practical-go/code on znga [!?] via go v1.19
$ ls /tmp/taxi
sha256sum.txt taxi-02.csv.bz2 taxi-04.csv.bz2 taxi-06.csv.bz2 taxi-08.csv.bz2 taxi-10.csv.bz2
taxi-01.csv.bz2 taxi-03.csv.bz2 taxi-05.csv.bz2 taxi-07.csv.bz2 taxi-09.csv.bz2
practical-go/code on znga [!?] via go v1.19
$ cat /tmp/taxi/sha256sum.txt
0c4ccc63a912bbd6d45174251415c089522e5c0e75286794ab1f86cb8e2561fd taxi-01.csv
f427b5880e9164ec1e6cda53aa4b2d1f1e470da973e5b51748c806ea5c57cbdf taxi-02.csv
4e251e9e98c5cb7be8b34adfcb46cc806a4ef5ec8c95ba9aac5ff81449fc630c taxi-03.csv
753810f3402fce2a9a7d79b41164e002c0d66d74ca784bf08106185508c1b2d0 taxi-04.csv
4991682b108be8979561971a74a5033c918f5d84d2f1a07b3c07024f861dec8b taxi-05.csv
e7f8d15066c9ccc8a29003b066c21c0dd9380117abd1ecca8eb8fb2e73eefc42 taxi-06.csv
1f669e8de7ee1101a93910d1c74cfd599d2f5e9b2c72976697f0ec6e136399e4 taxi-07.csv
3816b7085d518d4349838d7a4070a107f00f69d9a2b4f9cebc40e6c975d7b387 taxi-08.csv
3242bcc29b454f0911da3256de11bc2a37e172148565de677d52270beb351a04 taxi-09.csv
242317002ec8342ead8260f07b5fa9f3b7f9671714ffc4be7fd891098fb15cd2 taxi-10.csv
practical-go/code on znga [!?] via go v1.19
$ go run ./taxi
error: /tmp/taxi/taxi-06.csv.bz2 mismatch
processed 10 files in 9.036476525s
exit status 1
practical-go/code on znga [!?] via go v1.19 took 9s
$echo 12.54/2.4 | bc -l
5.22500000000000000000
practical-go/code on znga [!?] via go v1.19
❮ echo 11.4/2.4 | bc -l
4.75000000000000000000
practical-go/code on znga [!?] via go v1.19
$ echo 6.6/2.4| bc -l
2.75000000000000000000
practical-go/code on znga [!?] via go v1.19
❮ cd exercism/go/react
practical-go/code on znga [!?] via go v1.19
$ go run ./taxi
error: /tmp/taxi/taxi-06.csv.bz2 mismatch
processed 10 files in 2.348632941s
exit status 1
practical-go/code on znga [!?] via go v1.19 took 2s
$ echo 9.03/2.34 | bc -l
3.85897435897435897435
practical-go/code on znga [!?] via go v1.19
$ go run ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run ./counter
100000
practical-go/code on znga [!?] via go v1.19
$go run ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run ./counter
68554
practical-go/code on znga [!?] via go v1.19
$ go run ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run ./counter
84571
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
==================
WARNING: DATA RACE
Read at 0x00c00013e008 by goroutine 9:
main.main.func1()
/home/miki/teaching/practical-go/code/counter/counter.go:18 +0xa8
Previous write at 0x00c00013e008 by goroutine 16:
main.main.func1()
/home/miki/teaching/practical-go/code/counter/counter.go:18 +0xba
Goroutine 9 (running) created at:
main.main()
/home/miki/teaching/practical-go/code/counter/counter.go:15 +0x8d
Goroutine 16 (running) created at:
main.main()
/home/miki/teaching/practical-go/code/counter/counter.go:15 +0x8d
==================
57931Found 1 data race(s)
exit status 66
practical-go/code on znga [!?] via go v1.19 took 3s
❮ go run -race ./counter
==================
WARNING: DATA RACE
Read at 0x00c0000b4008 by goroutine 8:
main.main.func1()
/home/miki/teaching/practical-go/code/counter/counter.go:18 +0xa8
Previous write at 0x00c0000b4008 by goroutine 7:
main.main.func1()
/home/miki/teaching/practical-go/code/counter/counter.go:18 +0xba
Goroutine 8 (running) created at:
main.main()
/home/miki/teaching/practical-go/code/counter/counter.go:15 +0x8d
Goroutine 7 (running) created at:
main.main()
/home/miki/teaching/practical-go/code/counter/counter.go:15 +0x8d
==================
66560
Found 1 data race(s)
exit status 66
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ go run -race ./counter
100000
practical-go/code on znga [!?] via go v1.19
$ man 2 select
practical-go/code on znga [!?] via go v1.19 took 25s
$ cp ../data/rtb.go rtb
practical-go/code on znga [!?] via go v1.19
$