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Mamy Ratsimbazafy mratsim

Ethereum R&D @status-im ✦ Data Scientist freelance ✦ Owner, Deep Learning & HPC dev @numforge

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Highlights

Arctic Code Vault Contributor

Organizations

Pinned

Arraymancer

A fast, ergonomic and portable tensor library in Nim with a deep learning focus for CPU, GPU and embedded devices via OpenMP, Cuda and OpenCL backends

Nim 688 60
weave

A state-of-the-art multithreading runtime: message-passing based, fast, scalable, ultra-low overhead

Nim 222 10
Amazon-Forest-Computer-Vision

Amazon Forest Computer Vision: Satellite Image tagging code using PyTorch / Keras with lots of PyTorch tricks

Jupyter Notebook 331 63
trace-of-radiance

An educational raytracer

C 64 1
status-im/nimbus

Nimbus: an Ethereum 1.0 & 2.0 Client for Resource-Restricted Devices

Nim 356 52
constantine

Constant time pairing-based or elliptic curve based cryptography and digital signatures

Nim 28 1

2,434 contributions in the last year

Contribution activity

July 2020

mratsim/blst Assembly Jul 11

Created a pull request in status-im/nim-beacon-chain that received 3 comments

[WIP] The Auditors Handbook

Published here: https://status-im.github.io/nim-beacon-chain/auditors-book/ cc @rajeevgopalakrishna @corpetty WIP, it needs diagrams in particular. I…

+1,287 −0 • 3 comments

Eip2333 updates + drop BLS_ETH2_SPEC toggle + drop Hash-to-curve v5 Jul 15

rust -> go in the go package Jul 11

Deactivate dual fork choice Jul 10

halve memory usage from state caches Jul 8
Book edits: Become a validator page Jul 7
Crypto rng Jul 7
adopt Result[void, string] in place of some bool return signatures Jul 3
add tests for unviable blocks Jul 1
check that parent of added block is sufficiently recent Jul 1

Address feedback Jul 7

reuse single RNG instance for all crypto key generation Jul 5

use external rng instead of nimcrypto Jul 3

Created an issue in supranational/blst that received 2 comments

[doc] Aggregate - pairing_mul_n

Looking into aggregate.c it's clear what blst_pairing_aggregate_pk_in_g1 is for but blst_pairing_mul_n_aggregate_pk_in_g1 is not documented. bls…

2 comments

[Doc] Namespace books in gh-pages Jul 6
Review RNG usage Jul 3
Blockpool can accept very old blocks Jul 1

[Optim] Runtime detection of MULX and ADX support Jul 16

Altona for all clients, takeaways from Twitter phil_eth Jul 16

Reject invalid serialized infinity points Jul 14

Benchmarks Jul 13

Links to presentations Jul 6

Quick Review Jul 3

Codegen bug while echo-ing a Lock Jul 1

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